retinol has been researched along with beta carotene in 1582 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 243 (15.36) | 18.7374 |
| 1990's | 517 (32.68) | 18.2507 |
| 2000's | 420 (26.55) | 29.6817 |
| 2010's | 312 (19.72) | 24.3611 |
| 2020's | 90 (5.69) | 2.80 |
| Authors | Studies |
|---|---|
| Abe, K; Aoyagi, Y; Dansako, H; Ikeda, M; Kato, N; Ohkoshi, S; Yano, M | 1 |
| Barnes, JC; Bradley, P; Day, NC; Fourches, D; Reed, JZ; Tropsha, A | 1 |
| Choi, SS; Contrera, JF; Hastings, KL; Kruhlak, NL; Sancilio, LF; Weaver, JL; Willard, JM | 1 |
| Bannerman, S; Cleland, H; Field, B; Kune, GA; Merenstein, D; Vitetta, L; Watson, LF | 1 |
| Bianchi-Santamaria, A; Santamaria, L | 1 |
| Baghurst, PA; Baillargeon, J; Bueno de Mesquita, HB; de Waard, F; Ghadirian, P; Howe, GR; Miller, AB; Przewozniak, K; Simard, A; Zatonski, WA | 1 |
| Bomba, G; Iwańska, S; Pysera, B; Strusińska, D; Szarek, J | 1 |
| Albanes, D; Gref, CG; Haukka, J; Heinonen, OP; Palmgren, J; Rautalahti, M; Virtamo, J | 1 |
| Batova, A; Creek, KE; Hodam, JR; Jenkins, GR; Pirisi, L | 1 |
| Brockman, HE; Stack, HF; Waters, MD | 1 |
| Nathanail, L; Powers, HJ | 1 |
| Peters, TJ; Ward, RJ | 1 |
| Dmochowski, JR; Henderson, IC; London, SJ; Remine, S; Robert, NJ; Stampfer, MJ; Stein, EA; Willett, WC; Wood, WC | 1 |
| Chua, SC; Lee, BL; Ong, CN; Ong, HY | 1 |
| Canfield, LM; Giuliano, AR; Kelly, BE; Neilson, EM | 1 |
| Goodman, GE; Omenn, GS | 1 |
| McLarty, JW | 1 |
| Hong, WK; Lippman, SM | 1 |
| Mettlin, CJ | 1 |
| Amédée-Manesme, O; Carlier, C; Ceccon, JF; Etchepare, M; Mourey, MS | 1 |
| Enoki, S; Funazaki, T; Hashimoto, S; Hayashi, S; Kamimura, K; Miyanishi, K; Obata, A; Tanabe, N; Toyoshima, H; Wakai, S | 1 |
| Baldewyns, P; Beauduin, M; Gourdin, P; Minette, P; Pluygers, E; Robinet, P | 1 |
| Chew, BP; Hoskinson, CD; Wong, TS | 1 |
| Alberts, DW; Kuyl, JM; Van Jaarsveld, H | 1 |
| Kafwembe, EM; Oliver, RW | 1 |
| Aaran, RK; Aromaa, A; Heliövaara, M; Knekt, P; Rissanen, A | 1 |
| Clemens, MR; Gey, KF; Müller-Ladner, CI | 1 |
| Mameesh, MS; Mazeedi, HA; Tsai, AC | 1 |
| Ascherio, A; Colditz, GA; Litin, L; Rimm, EB; Stampfer, MJ; Willett, WC | 1 |
| Blanco, MC; Fox, JG; Ribaya-Mercado, JD; Rosenblad, WD; Russell, RM | 1 |
| Choubert, G; de la Noüe, J; Guillou, A | 1 |
| Dunn, TG; Moss, GE | 1 |
| Bush, TL; Comstock, GW; Helzlsouer, K | 1 |
| Valsecchi, MG | 1 |
| Cayley, AC; Fielden, P; Frost, PG; Niriella, DC; Roche, S; Zaman, Z | 1 |
| Imura, J; Koyama, Y; Miyazawa, N; Mori, K; Nagai, M; Saito, Y; Shimamura, K; Tominaga, K; Yokoi, K | 1 |
| Huttunen, JK; Virtamo, J | 1 |
| Mironova, GE | 1 |
| de Vet, HC; Grol, ME; Knipschild, PG; Schouten, HJ; Sturmans, F | 1 |
| Cetinkaya, N; Ozcan, H | 1 |
| Bierer, TL; Erdman, JW; Fahey, GC; Merchen, NR; Murphy, MR; Poor, CL | 1 |
| Anderson, BJ; Beecroft, WA; Hodson, DI; Malaker, K | 1 |
| Eberhart, RJ; Muller, LD; Oldham, ER | 1 |
| Abdel-Kader, ZM | 1 |
| Horng, NC; Tsai, LY; Tsai, SM | 1 |
| Omenn, GS; Patrick, DL; Thornquist, MD | 1 |
| Burini, RC; Giugliano, R; Marinho, HA; Shrimpton, R | 1 |
| Dittrich, H; Dobeleit, G; Kolb, E; Schmalfuss, R; Siebert, P; Stäuber, E; Wahren, M | 1 |
| Bonfanti, R; Hess, D; Keller, HE; Oberlin, B; Schüep, W | 1 |
| Osler, M; Schroll, M | 1 |
| Chew, BP; Heirman, LR; Michal, JJ; Standaert, FE; Wong, TS | 2 |
| Arnaud, J; Blachier, S; Favier, A; Fortis, I; Kia, D | 1 |
| Alberts, DS; Plezia, PM; Prabhala, RH; Watson, RR | 1 |
| ElAttar, TM; Lin, HS | 1 |
| Bulux, J; Canfield, LM; Harrison, GG; Khan, LK; Lima, AF; Lopez, CY; Perez, R; Quan de Serrano, J; Rivera, C; Solomons, NW | 1 |
| Aaran, RK; Alfthan, G; Aromaa, A; Hakama, M; Hakulinen, T; Knekt, P; Maatela, J; Nikkari, T; Teppo, L | 1 |
| Bolton-Smith, C; Casey, CE; Gey, KF; Smith, WC; Tunstall-Pedoe, H | 1 |
| Herdt, TH; Stowe, HD | 1 |
| Bowen, PE; Friedman, H; Henderson, C; Kiani, R; Langenberg, P; Lucchesi, D; Mobarhan, S; Stacewicz-Sapuntzakis, M; Sugerman, SB | 1 |
| Annapurna, VV; Bamji, MS; Deosthale, YG | 1 |
| Dufour, E; Haertlé, T | 1 |
| Deschamps, JP; Herbeth, B; Spyckerelle, Y | 1 |
| Anderson, G; Balmes, J; Barnhart, S; Cherniack, M; Cone, J; Goodman, G; Grizzle, J; Omenn, GS; Rosenstock, L; Thornquist, M | 1 |
| Eichholzer, M; Gey, KF; Lüdin, E; Stähelin, HB | 1 |
| Mathew, B; Nair, MK; Sankaranarayanan, R; Stich, HF | 1 |
| Malone, WF | 1 |
| Schmidt, K | 1 |
| Beardsley, T | 1 |
| Bayrd, GT; Nierenberg, DW; Stukel, TA | 1 |
| DeLoof, MJ; Francom, SF; Gaylor, SK; Hughes, GS; Ringer, TV; Ryan, JA; Sanders, ME; Winterrowd, GE | 1 |
| Cooper, M; Dowdy, AA; Gey, G; Knopp, RH; McCann, BS; Retzlaff, BM; Walden, CE | 1 |
| Basu, J; Mikhail, MS; Palan, PR; Romney, SL | 1 |
| Bull, D; Harris, RW; Key, TJ; Silcocks, PB; Wald, NJ | 1 |
| Chew, BP; Daniel, LR; Tanaka, TS; Tjoelker, LW | 4 |
| Buckley, CS; Edes, TE; Gysbers, DG; Thornton, WH | 1 |
| Bhargava, MK; Krishnamoorthy, L; Ramaswamy, PG; Rao, VR | 1 |
| Gronowska-Senger, A; Majchrzak, D | 2 |
| Fikkert, JJ; Hulshof, K; Schrijver, J; Stam, J; Strankinga, WF | 1 |
| Seiler, WO; Stähelin, HB; Wüst, B | 1 |
| Santamaria, AB; Santamaria, LA | 1 |
| Aoki, K; Ito, Y; Kusuhara, Y; Morimitsu, Y; Ochiai, J; Otani, M; Sasaki, R; Suzuki, S | 1 |
| Gaweł, A; Grys, S; Klimentowski, S; Mazurkiewicz, M | 1 |
| Storm, W | 1 |
| Palcic, B; Stich, HF; Tsang, SS | 1 |
| Tengerdy, RP | 1 |
| Willett, WC | 1 |
| Meyskens, FL | 2 |
| Hathcock, JN; Hattan, DG; Jenkins, MY; McDonald, JT; Sundaresan, PR; Wilkening, VL | 1 |
| Bjelke, E; Blot, WJ; Chien, HT; Gridley, G; Hsing, AW; McLaughlin, JK; Schuman, LM; Wacholder, S | 1 |
| Alam, BS; Alam, SQ; Brown, LR | 1 |
| Byers, T; Graham, S; McCulloch, CE; Milch, R; Nemoto, T; Parker, R; Potischman, N; Rasmussen, KM; Root, M; Stubbe, N | 1 |
| Aaran, RK; Aromaa, A; Hakama, M; Hakulinen, T; Knekt, P; Maatela, J; Nikkari, T; Peto, R; Teppo, L | 1 |
| Eisele, W; Schweigert, FJ | 1 |
| Ong, DE; Quick, TC | 1 |
| de Vries, N; Snow, GB | 1 |
| Kaplan, LA; Miller, JA; Stampfer, MJ; Stein, EA | 1 |
| MacCrehan, WA | 1 |
| Napoli, JL | 2 |
| Krinsky, NI; Lausen, NC; Mathews-Roth, MM; Russett, M; Sehgal, PK; Welankiwar, S | 1 |
| Canfield, LM; Ferris, AM; Huston, GE; Jensen, RG; Patton, S | 1 |
| Cook, MG; McMichael, AJ; Potter, JD; Rohan, TE | 1 |
| Edwards-Prasad, J; Hazuka, MB; Kinzie, JJ; Newman, F; Prasad, KN | 1 |
| Abbey, H; Comstock, GW; Hsing, AW; Polk, BF | 1 |
| Greenwald, DP; Levenson, SM; Padawer, J; Seifter, E; Sharzer, LA | 1 |
| Chavance, M; Herbeth, B; Mejean, L; Musse, N; Vernhès, G | 1 |
| Petzold, M; Richter, G; Sitte, E | 1 |
| Ohno, Y; Oishi, K; Okada, K; Schroeder, FH; Yamabe, H; Yoshida, O | 1 |
| Stenström, E; Törmä, H; Vahlquist, A | 1 |
| Friedman, A; Sklan, D; Yosefov, T | 1 |
| Goodman, MT; Hankin, JH; Kolonel, LN; Le Marchand, L; Yoshizawa, CN | 1 |
| Heinonen, M; Koivistoinen, P; Linkola, E; Ollilainen, V; Varo, P | 1 |
| Blauw, YH; Blok, E; Stiggelbout, AM; van der Giezen, AM; van Staveren, WA; West, CE | 1 |
| Brunnemann, KD; Mathew, B; Nair, MK; Sankaranaryanan, R; Stich, HF | 1 |
| Abdi, E; Basu, TK; Hill, GB; Ng, D; Temple, N | 1 |
| Salmon, RE; Stevens, VI | 1 |
| Brubacher, G; Eichholzer, M; Gey, KF; Lüdin, E; Stähelin, HB | 1 |
| Newberne, PM; Riengropitak, S; Sahaphong, S; Suphiphat, VS | 1 |
| Bianchi Santamaria, A; Dell'Orti, M; Santamaria, L | 1 |
| Brockman, HE; Ong, T; Stewart, JD; Whong, WZ | 1 |
| Olson, JA | 6 |
| Khodzhaeva, MKh | 2 |
| Baron, JA; Dain, BJ; Greenberg, ER; Nierenberg, DW; Stukel, TA | 1 |
| Graves-Hoagland, RL; Hoagland, TA; Woody, CO | 2 |
| Fox, JG; Holmgren, SC; Ribaya-Mercado, JD; Russell, RM | 1 |
| Alam, BS; Alam, SQ; Bendich, A; Shapiro, SS | 1 |
| Lima, MC; Mariath, JG; Santos, LM | 1 |
| Burney, PG; Comstock, GW; Morris, JS | 1 |
| Amédée-Manesme, O; Caces, P; Carlier, C; Dostalova, L; Malvy, JM; Montagnon, B; Mourey, MS | 1 |
| Edes, TE; Shah, J; Thornton, W | 1 |
| Drozdz, M; Gierek, T; Jendryczko, A; Piekarska, J; Pilch, J; Polanska, D | 1 |
| Folman, Y; Russell, RM; Tang, GW; Wolf, DG | 1 |
| Comstock, GW; Helzlsouer, KJ; Morris, JS | 1 |
| Basu, J; Mikhail, MG; Palan, PR; Romney, SL; Vermund, SH | 1 |
| Drozdz, M; Jendryczko, A | 1 |
| Holdaway, I; Jackson, R; Scragg, R; Woollard, D; Woollard, G | 1 |
| Decarli, A; Franceschi, S; Gentile, A; La Vecchia, C; Negri, E; Parazzini, F | 1 |
| Brockman, HE; Ong, TM; Stewart, J; Whong, WZ | 1 |
| Fiala, ES; Reddy, BS; Weisburger, JH | 1 |
| Decarli, A; Fasoli, M; Gentile, A; La Vecchia, C | 1 |
| Gronowska-Senger, A; Smaczny, E; Weremska, E | 1 |
| Kelly, GE; Meikle, W; Sheil, AG; Yow, D | 1 |
| Bates, MW; Begg, L; Costantino, JP; Kuller, LH; Redmond, CK | 1 |
| Davis, L; Friedenthal, E; Holtzman, S; Kanofsky, JD; Mendecki, J; Seifter, E; Weinzweig, J | 1 |
| Bendich, A; Shapiro, SS | 1 |
| Bekeová, E; Elecko, J; Hendrichovský, V; Krajnicáková, M; Maracek, I; Rosíval, I | 1 |
| Alam, BS; Alam, SQ | 2 |
| Halevy, O; Sklan, D | 1 |
| Alam, BS; Alam, SQ; Weir, JC | 1 |
| Amory, MC; Barey, M; Bousquet, B; Briand, G; Combre, A; Forlot, P; Khettab, N | 1 |
| Bogdanovicz, JF; De Bruijn, A; Hayes, RB; Oishi, K; Raatgever, JW; Schroeder, FH; Van der Maas, PJ; Yoshida, O | 1 |
| Vile, GF; Winterbourn, CC | 1 |
| Crespi, M; Hambidge, KM; Lu, JB; Munoz, N; Thurnham, DI; Wahrendorf, J; Zheng, SF | 1 |
| Donnan, SP; Ho, SC; Martin, CW; Tsao, SY | 1 |
| Bartram, P; Kasper, H; Scheppach, W; Schramel, P; Wehner, F | 1 |
| Hellegouarch, R; Person, O; Rougereau, A; Rougereau, G; Sallerin, T | 1 |
| Comstock, GW; Helsing, KJ; Menkes, MS; Schober, SE; Vuilleumier, JP | 1 |
| Basu, TK; Hodgson, AM; Temple, NJ | 1 |
| Can, R; Gül, Y; Yilmaz, K | 1 |
| Greenwald, P; Kelloff, GJ; Malone, WF; Pierson, H | 1 |
| Eberhart, RJ; Erskine, RJ; Hutchinson, LJ; Scholz, RW | 1 |
| Chew, BP | 2 |
| Wald, N | 1 |
| Andreoli, C; Barbieri, A; Capitelli, E; Carlucci, M; Cavallo, F; Costa, A; Decarli, A; Marubini, E; Mazzoleni, C; Monferroni, N | 1 |
| Adkins, J; Blakely, SR; Knight, EV; Slaughter, L | 1 |
| Flora, PS; Smith, E; Thurnham, DI | 1 |
| Graham, S | 1 |
| Hudson, GA; Nicolaides-Bouman, A; Wald, NJ | 1 |
| Schweigert, FJ; Zucker, H | 1 |
| Chew, BP; Talavera, F | 1 |
| Hayes, RB; Ohno, Y; Oishi, K; Okada, K; Schroeder, FH; Yamabe, H; Yoshida, O | 1 |
| Decarli, A; Fasoli, M; Franceschi, S; Gentile, A; La Vecchia, C; Negri, E; Parazzini, F | 1 |
| Berry, G; Brinton, LA; Brock, KE; MacLennan, R; Mock, PA; Truswell, AS | 1 |
| Barnhart, S; Feigl, P; Goodman, GE; Kalman, D; Kleinman, GD; Lund, B; Omenn, GS; Prentice, RL; Rosenstock, L; Thomas, DB | 1 |
| Avron, M; Ben-Amotz, A; Mokady, S | 1 |
| Cekgül, E; Eggenberger, E; Ozpinar, H; Senel, HS | 1 |
| Hornby, AP; Mathew, B; Nair, MK; Rosin, MP; Sankaranarayanan, R; Stich, HF | 1 |
| Boone, C; Chenoweth, W; Dimitrov, NV; Fink, G; Malone, W; Meyer, C; Michelakis, A; Ullrey, DE | 1 |
| Bertram, JS; Pung, A; Read, CM; Rundhaug, JE | 1 |
| Goodman, GE; Karkeck, JM; Omenn, GS; Roidt, L; Rollins, B; Wahl, PW; White, E | 1 |
| Geinitz, D; Hennig, A; Luedke, H; Moeckel, P; Ochrimenko, W; Schoene, F | 1 |
| Inaba, T; Mezan, M; Mori, J; Ono, T; Shimizu, R | 1 |
| Andreoli, C; Barbieri, A; Berrino, F; Costa, A; Gramegna, G; Marubini, E; Mazzoleni, C; Pastorino, U; Pisani, P | 1 |
| Person, O; Rougereau, A; Rougereau, G | 2 |
| Brubacher, G; Gey, KF; Stähelin, HB | 1 |
| Chao, A; Henderson, BE; Paganini-Hill, A; Ross, RK | 1 |
| Bellamy, G; Goodman, GE; Kalman, DA; Omenn, GS; Rollins, B | 1 |
| Brubacher, GB; Gey, KF; Stähelin, HB | 1 |
| Gey, KF | 1 |
| Abendroth, K; Fünfstück, R; Geinitz, D; Keil, E; Kokot, F; Schöne, S; Sperschneider, H; Stein, G | 1 |
| Goodwin, TW | 1 |
| Betz, EP; Gale, M; Raynor, W; Shekelle, RB; Tangney, CC | 1 |
| Ascarelli, I; Barash, H; Folman, Y; Kraus, D | 1 |
| Kromhout, D | 1 |
| Kirchgessner, M; Plank, J; Roth, HP | 1 |
| MacCrehan, WA; Schönberger, E | 1 |
| Bird, RP; Draper, HH | 1 |
| Clark, JH; Fitzgerald, JF; Nagamori, KE; Russell, GJ | 1 |
| Schweigert, FJ; Stobo, WT; Zucker, H | 1 |
| Beattie, CW; Das Gupta, TK; Hart, G; Mehta, RR | 1 |
| Brookmeyer, R; Comstock, GW; Helsing, KJ; Morris, JS; Rider, AA; Salkeld, RM; Schober, SE | 1 |
| Falkowska, A; Iwańska, S | 1 |
| Falkowska, A; Iwańska, S; Lewicki, C; Strusińska, D | 1 |
| Bonnar, J; Dóstalóva, L; Sharma, SC | 1 |
| Doll, R; Forman, D; Harris, RW; Vessey, MP; Wald, NJ | 1 |
| Ruangsomboon, O; Siddhikol, C; Skulchan, V; Tepmongkol, P | 1 |
| Inaba, T; Inoue, A; Mori, J; Nakano, Y; Shimizu, R | 1 |
| Bourgeay-Causse, M; Carre-Guery, G; Delacoux, E; Herbeth, B; Le Devehat, C; Lemoine, A; Mareschi, JP; Martin, J; Miravet, L; Zittoun, J | 1 |
| Brookmeyer, R; Comstock, GW; Helsing, KJ; Menkes, MS; Rider, AA; Vuilleumier, JP | 1 |
| Hennekens, CH | 1 |
| Gey, F; Nikkari, T; Salo, MK | 1 |
| Abbey, H; Comstock, GW; Helsing, KJ; Polk, BF; Rider, AA | 1 |
| Avron, M; Ben-Amotz, A; Edelstein, S | 1 |
| Inaba, T; Mezan, M; Mori, J; Nakano, Y; Shimizu, R | 1 |
| Leidl, W; Porzig, R; Stolla, R | 1 |
| Correa, P; Cuello, C; Haenszel, W; Lopez, A; Zarama, G; Zavala, D | 1 |
| Blot, WJ; Ershow, AG; Li, GY; Li, JY; Miller, KW; Sun, YH; Yang, CS; Yang, QP; Zheng, SF | 1 |
| Henderson, BE; Pike, MC; Wu, AH; Yu, MC | 1 |
| Ganguly, J; Sastry, PS | 1 |
| Huszenicza, G; Pethes, G; Rudas, P; Somorjai, G | 1 |
| Renner, HW | 1 |
| Bekeová, E; Elecko, J; Hajurka, J; Krajnicáková, M; Rosíval, I | 1 |
| Hanck, AB; Muñoz, N; Vuilleumier, JP; Wahrendorf, J; Walker, AM | 1 |
| Dunn, BP; Hornby, AP; Stich, HF | 2 |
| Geinitz, D; Hennig, A; Lüdke, H; Panndorf, H; Schöne, F | 1 |
| Heilbrun, LK; Nomura, AM; Salkeld, RM; Stemmermann, GN; Vuilleumier, JP | 1 |
| Brief, S; Chew, BP | 1 |
| Brubacher, GB; Weiser, H | 1 |
| Miller, KW; Yang, CS | 1 |
| Iwańska, S; Lewicki, C; Rybicka, M | 1 |
| Brighenti, F; Ciappellano, S; Porrini, M; Testolin, G | 1 |
| Cama, HR; John, J | 1 |
| Doll, R | 1 |
| Kabir, SA; Pirie, A | 1 |
| Rhodes, J | 1 |
| Comley, JC; Jaffe, JJ | 1 |
| Hicks, RM | 1 |
| Bieri, JG; McKenna, MC | 1 |
| Simpson, KL | 1 |
| Kummet, T; Meyskens, FL; Moon, TE | 1 |
| Wolf, G | 1 |
| Roe, DA | 1 |
| Bondi, A; Sklan, D | 1 |
| Demetriou, AA; Levenson, SM; Padawer, J; Rettura, G; Seifter, E; Stratford, F; Weinzweig, J | 1 |
| Bruckdorfer, KR; Cortese, C; Hassall, D; Heduan, E; La Ville, A; Lewis, B; Marenah, CB; Miller, NE; Mitchell, WD; Slavin, B; Turner, PR | 1 |
| Kurz, E; Rambeck, WA; Zucker, H | 1 |
| Rosin, MP; Stich, HF; Stich, W; Vallejera, MO | 1 |
| Alam, BS; Alam, SQ; Gibson, WA; Weir, JC | 1 |
| Hennekens, CH; Stampfer, MJ; Willett, W | 1 |
| Humble, CG; Samet, JM; Skipper, BE | 1 |
| Chew, BP; Johnston, LA | 1 |
| Goswami, UC | 1 |
| Chow, CK; Collins, CA | 1 |
| Jávor, T; Mózsik, G; Tigyi, A; Tóth, G; Zsoldos, T | 1 |
| Brasure, J; Byers, T; Graham, S; Marshall, JR; Swanson, M | 1 |
| Goodwin, P; Levenson, SM; Padawer, J; Rettura, G; Seifter, E; Stratford, F | 1 |
| Goodwin, P; Levenson, SM; Padawer, J; Rettura, G; Seifter, E | 1 |
| Hennekens, CH; Stampfer, MJ; Taylor, JO; Underwood, BA; Willett, WC | 1 |
| Secomska, B; Trzebska-Jeske, I | 1 |
| Bata, M; Jávor, T; Lovász, L; Morón, F; Mózsik, G; Nagy, L; Patty, I; Szabolcs, J; Tárnok, F; Tóth, G | 1 |
| Cavina, G; Gallinella, B; Pecora, P; Porrà, R; Suraci, C | 1 |
| Mathus-Vliegen, EM; Tytgat, GN | 1 |
| Gysel, D; Hunziker, F; Keller, HE; Vuilleumier, JP | 1 |
| Bark, S; Demetriou, AA; Franco, I; Levenson, SM; Rettura, G; Seifter, E | 1 |
| Mathews-Roth, MM; Stampfer, MJ | 1 |
| Boreham, J; Bulbrook, RD; Hayward, JL; Wald, NJ | 1 |
| Rosin, MP; Stich, HF | 1 |
| Kaplan, LA; Katrangi, N; Stein, EA | 1 |
| Lüdke, H; Schöne, F | 1 |
| Abdel-Rahman, AM; Hassan, HA; Mandour, AM; Mohamed, MA | 1 |
| Lorr, NA; Miller, KW; Yang, CS | 1 |
| Chew, BP; Holpuch, DM; O'Fallon, JV | 1 |
| Chichester, CO; Simpson, KL | 1 |
| Berne, B; Berne, C; Vahlquist, A | 1 |
| Broich, CR; Erdman, JW; Gerber, LE | 1 |
| Ascarelli, I; Folman, Y; Herz, Z; Kaim, M; Rosenberg, M | 1 |
| Chew, BP; Herlugson, ML; Hillers, JK; Hollen, LL | 1 |
| Arnrich, L; Arthur, VA | 1 |
| Groh, J | 1 |
| Granstein, RD; Sober, AJ | 1 |
| Bremel, DH; Hemken, RW | 1 |
| Lee, JB; Michaëlsson, G; Rollman, O; Vahlquist, A | 1 |
| Erdman, JW; Gerber, LE | 1 |
| Duttagupta, C; Lucido, D; Miller, G; Palan, PR; Romney, SL; Slagle, NS; Wassertheil-Smoller, S; Wylie, J | 1 |
| Fafunso, M; Laditan, AA | 1 |
| Budzynska-Topolowska, J; Dietl, B; Franczuk, H; Karpinska, H; Klos, A; Okolska, G; Peczak, R; Rdzanek, J; Ziemlanski, S | 1 |
| Görner, F; Uherová, R | 1 |
| Burda, V; Kaspárková, V | 1 |
| Iwasaki, T; Kato, S; Sasaki, H; Tada, N | 1 |
| Azzini, E; Ferro-Luzzi, A; Frommel, T; Guadalaxara, A; Maiani, G; Mobarhan, S; Pappalardo, G; Raguzzini, A; Trifero, M | 1 |
| Girard, WM; Greenberg, SD; Holiday, DB; Kummet, TD; McLarty, JW; Yanagihara, RH | 1 |
| Reddy, V | 1 |
| Underwood, BA | 1 |
| Borghi, A; Casalgrandi, G; Cassanelli, M; Nardella, N; Rocchi, E; Seium, Y; Stella, AM | 1 |
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| Fang, AP; He, TT; Liu, ZY; Luo, Y; Yishake, D; Zhang, DM; Zhang, YJ; Zhu, HL | 1 |
| Amengual, J; Coronel, J; Miller, AP | 1 |
| Abtahi, M; Amini, M; Dadkhah-Piraghaj, M; Doustmohammadian, A; Esmaillzadeh, A; Neyestani, TR; Nikooyeh, B; Omidvar, N | 1 |
| Asenjo-Lobos, C; Bonfill Cosp, X; Cortés-Jofré, M; Madrid, E; Rueda, JR | 1 |
| Chan, MY; Chang, CH; Chang, PS; Hsiao, HY; Hsu, LP; Lee, BJ; Lin, PT | 1 |
| Quadro, L; Spiegler, EK | 1 |
| Andrews, K; Bailen, R; Betz, JM; Costello, R; Dwyer, J; Gahche, J; Gusev, P; Haggans, C; Harnly, J; Pehrsson, P; Potischman, N; Saldanha, L; Savarala, S; Tey, P; Thomas, P | 1 |
| Almada, MORDV; Camelo-, JS; Coelho-Landell, CA; de Barros, TT; Greggi Antunes, LM; Hernandes, LC; Hillesheim, E; Kaput, J; Mathias, MG; Moco, S; Monteiro, JP; Salomão, RG; Toffano, RBD; Ued, FDV; Venâncio, VP | 1 |
| Li, K; Zhang, B | 1 |
| Ishii, N; Kimura, M; Kishimoto, N; Kubo, A; Masuda, Y; Nishizaki, Y; Takashimizu, S; Toyoda, M; Urata, N; Yamada, C | 1 |
| Ishikawa, S; Iwamoto, Y; Nagai, K; Ogawa, R; Oishi, S; Otomaru, K | 1 |
| Baveja, A; Chhabra, R; Dutta, S; Hossain, F; Mondal, TK; Muthusamy, V; Yadava, DK; Zunjare, RU | 1 |
| Bento, C; Cordeiro, A; Matos, A; Ramalho, A | 1 |
| Herdt, TH; Sordillo, LM; Strickland, JM; Wisnieski, L | 1 |
| Bionaz, M; Rezamand, P; Rosa, F; Tsai, CY | 1 |
| Ford, JL; Green, JB; Green, MH | 1 |
| Amalraj, JJ; Baveja, A; Bhat, JS; Chand, G; Chhabra, R; Duo, H; Goswami, R; Gowda, MM; Hossain, F; Kamboj, MC; Khulbe, R; Kumar, B; Mishra, SJ; Muthusamy, V; Neeraja, CN; Pal, S; Prakash, B; Rakshit, S; Yadav, OP; Zunjare, RU | 1 |
| Gannon, BM | 1 |
| Janaswamy, S; Mbogo, D; Muzhingi, T | 1 |
| Bandara, S; Golczak, M; Khadka, N; Kiser, PD; Ramkumar, S; Thomas, LD; von Lintig, J | 1 |
| Chen, WL; Yang, ZY | 1 |
| Borel, P; Creton, B; Desmarchelier, C; Halimi, C; Hammaz, F; Morand-Laffargue, L; Sabatier, D | 1 |
| Hoedebecke, SS; Knapik, JJ | 1 |
| Bains, BK; Chawla, JS; Cheema, AK; Gill, GK; Hossain, F; Kaur, A; Kaur, N; Kumar, A; Malhotra, PK; Muthusamy, V; Sharma, P; Sharma, S; Singh, J; Vikal, Y | 1 |
| Casazzza, K; Ebrahimi, R; Majidi, N; Mehranfar, S; Mirzaei, K; Rasaei, N; Setayesh, L; Yarizadeh, H | 1 |
| Alves, P; Bartley, G; Chen, L; Tam, C; Tan, Y; Yokoyama, W; Zhong, F | 1 |
| Bandinelli, S; Candia, J; Fantoni, G; Ferrucci, L; Moaddel, R; Semba, RD; Tanaka, T; Yamaguchi, Y; Zampino, M | 1 |
| Astier, J; Borel, P; Damiani, M; Grino, M; Guichard, P; Halimi, C; Landrier, JF; Margier, M; Nowicki, M; Reboul, E; Troadec, R | 1 |
| Albanes, D; Huang, J; Männistö, S; Weinstein, SJ; Yu, K | 1 |
| Amengual, J; Black, M; Miller, AP | 1 |
| Bong, SH; Cheon, HY; Hwangbo, S; Kong, IK; Lee, JW; Lee, SH; Shin, MK; Shin, NH; Yang, YR | 1 |
| Alcudia-Catalma, MN; Arquiza, JMRA; Concepcion, MA; Perlas, L; Rodriguez, M; Zumaraga, MPP | 1 |
| Watson, J; Xu, M | 1 |
| Kong, L; Li, Q; Liu, S; Wan, S; Yu, H | 1 |
| Ericsson, A; Hammerling, U; Holloway, C; Honarbakhsh, M; Kim, YK; Malta, K; Quadro, L | 1 |
| Drackley, JK; Engstrom, MA; Prom, CM | 2 |
| Karawekpanyawong, R; Kubota, Y; Nohno, K; Ogawa, H | 1 |
| Huang, J | 1 |
| Dessalegn, T; Hailu, W; Kindeya, F; L Kibr, G | 1 |
| Mbega, ER; Msungu, SD; Mushongi, AA; Venkataramana, PB | 1 |
| Baek, M; Ha, CW; Hahn, JS; Kim, JE; Lee, D; Lee, P; Park, H; Park, JH; Park, KH; Park, S; Yoon, SH | 1 |
| Evans, CV; Ivlev, I; Lin, JS; Martin, A; O'Connor, EA; Rushkin, MC; Thomas, RG | 1 |
| Kozłowska, L; Sitek, A | 1 |
| Chen, P; Fang, A; He, J; Li, K; Liu, Z; Su, L; Wu, S | 1 |
| Lietz, G; Oxley, A | 1 |
| Bento, C; Cruz, S; Ramalho, A; Ribamar, A | 1 |
| Hammerling, U; Holloway, C; Isoherranen, N; Kim, YK; Quadro, L; Sampath, H; Ye, H; Zhong, G | 1 |
| Farashi, S; Sarihi, A; Shahidi, S; Zarei, M | 1 |
| Hussain, MM; Iqbal, J; Kim, YK; Quadro, L | 1 |
| Burton, GW; Li, J; Mogg, TJ; Stark, FC; Stupak, J; Twine, SM | 1 |
| Moon, J; Ramkumar, S; von Lintig, J | 1 |
| Borel, P; Couturier, C; Damiani, M; Desmarchelier, C; Grino, M; Guichard, P; Halimi, C; Landrier, JF; Margier, M; Mounien, L; Nowicki, M; Reboul, E; Troadec, R | 1 |
| Dobenecker, B; Gohl, C; Leineweber, C; Lücht, M; Marschang, RE | 1 |
| Bastion, MC; Choo, PP; Md Din, N; Mustapha, M; Omar, R; Woi, PJ | 1 |
| Chen, GS; Chen, JX; Gao, H; Gao, QH; Huo, JH; Pang, YF; Wu, LY | 1 |
| Cao, Y; Chai, K; Chen, L; Fan, Z; Lv, G; Mu, W; Qiu, W; Sun, X; Wang, G | 1 |
| Feng, G; Jin, X; Yan, H; Yin, L; Zhu, C | 1 |
| Abrar, M; Ahmad, Z; Amir, M; Amjad, A; Anwar, MJ; Hameed, A; Javed, MS; Jawad, M; Khan, AA; Shah, FU | 1 |
| Amengual, J; Coronel, J; Kane, MA; Pilli, N; Yu, J | 1 |
| Chen, HY; Du, ZD; Gao, S; Gong, TT; Liu, FH; Sun, MH; Sun, ML; Wang, R; Wu, QJ; Xu, HL; Xu, J; Yan, S; Yang, HJ; Yin, JL; Zhao, YH; Zou, BJ | 1 |
| Bickel, H; Egert, S; Jessen, F; Kleineidam, L; Maier, W; Melo van Lent, D; Pentzek, M; Ramirez, A; Riedel-Heller, SG; Scherer, M; Schmid, M; Stoffel-Wagner, B; Wagner, M; Wagner-Thelen, H; Weinhold, L; Weyerer, S; Wiese, B; Wolfsgruber, S | 1 |
| Martín-Belloso, O; Odriozola-Serrano, I; Oms-Oliu, G; Teixé-Roig, J | 1 |
| Du, L; Li, F; Meng, Y; Miao, Q; Qin, Y; Tang, C; Yang, Y; Yao, X; Zhang, J; Zhao, Q | 1 |
| Hammerling, U; Kim, YK; Quadro, L | 1 |
| Elefson, SK; Greiner, LL; Rademacher, CJ; Ross, JW | 1 |
| Ara, I; Carnicero Carreño, JA; Cucca, F; Fiorillo, E; González-Gross, M; Grune, T; Henning, T; Kochlik, B; Marongiu, M; Rodriguez-Artalejo, F; Rodriguez-Mañas, L; Weber, D | 1 |
| Davis, CR; Kaeppler, MS; Simon, PW; Smith, JB; Tanumihardjo, SA | 1 |
| Cui, Y; Di, D; Ni, Z; Wang, Q; Wei, M; Zhang, R; Zhou, H | 1 |
| Cruet-Burgos, C; Morris, GP; Rhodes, DH | 1 |
| Bendim'red, L; Blond, E; Bonnefoy, M; Bost, M; Cuerq, C; Gilbert, T; Goldet, K; Haesebaert, J; Henaff, L; Lahaye, C; Parant, F; Saadatian-Elahi, M; Vanhems, P | 1 |
| Elefson, SK; Greiner, LL | 1 |
| Aköz, M; Ataman, MB; Bodu, M; Bucak, MN; Dönmez, N; Kul, M | 1 |
| Dal Bosco, C; Gasperi, T; Gentili, A; Mattoni, E; Moeini, SS; Tofani, D | 1 |
| Alexandersson, E; Gisel, A; Lenman, M; Olayide, P; Stavolone, L; Tzfadia, O | 1 |
| Jalali, N; Jamali, Z; Khademalhosseini, M; Khalili, P; Mehran, M; Mohammadi, R; Rajabi, Z; Ranjbar, E | 1 |
| Ji, HF; Li, XY; Meng, L; Shen, L | 1 |
| Amengual, J; Arballo, JR; Black, M; Bradley, MJ; Erdman, JW | 1 |
| Broomand Lomer, N; Farasati Far, B; Gharedaghi, H; Karimi Rouzbahani, A; Mahmoudvand, G; Sahrai, H | 1 |
| Borel, P; Creton, B; Delbecq, S; Dhuique-Mayer, C; Morand-Laffargue, L; Papin, M; Sabatier, D | 1 |
| Chia, SE; Kishida, R; Loh, WQ; Ong, CN; Seow, WJ; Yin, X | 1 |
| Abbeddou, S; Bationo, JF; Davis, C; De Henauw, S; Diendere, J; Grahn, M; Kazienga, A; Sombié, OO; Somé, JW; Tanumihardjo, S; Zeba, AN | 1 |
| Burrin, DG; Guthrie, G; Hair, AB; Moran, NE; Stoll, B; Stroh, R; Wade, J | 1 |
| Evans, JR; Lawrenson, JG | 1 |
| Amengual, J; Avalos, J; Bandara, S; Hornero-Méndez, D; Limón, MC; Miller, AP; Parra-Rivero, O; von Lintig, J | 1 |
| Dai, Z; Feng, L; Jing, H; Li, D; Nie, M; Shi, E; Wang, X; Xu, Y; Zhang, G; Zhang, Z | 1 |
168 review(s) available for retinol and beta carotene
| Article | Year |
|---|---|
Carotenoids in cancer chemoprevention and therapeutic interventions.
Topics: Animals; Antibody Formation; beta Carotene; Breast Diseases; Carotenoids; Humans; Lung Neoplasms; Neoplasms; Vitamin A | 1992 |
Antimutagenicity profiles of some natural substances.
Topics: Aflatoxin B1; Animals; Antimutagenic Agents; beta Carotene; Carotenoids; Cytochrome P-450 Enzyme System; Mutagens; Vitamin A | 1992 |
Chemoprevention of aerodigestive epithelial cancers.
Topics: Alcohol Drinking; Animals; Anticarcinogenic Agents; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Cell Differentiation; Clinical Trials as Topic; Cricetinae; Diet; Drug Screening Assays, Antitumor; Head and Neck Neoplasms; Humans; Leukoplakia, Oral; Mesocricetus; Respiratory Tract Neoplasms; Smoking; United States; Vitamin A | 1992 |
Epidemiology of vitamin A and aerodigestive cancer.
Topics: Animals; Anticarcinogenic Agents; beta Carotene; Carotenoids; Diet; Global Health; Head and Neck Neoplasms; Humans; Neoplasms, Experimental; Prospective Studies; Respiratory Tract Neoplasms; Retrospective Studies; Risk; Rodentia; Smoking; United States; Vitamin A | 1992 |
Effects of nutrient deficiencies and excesses on reproductive efficiency of livestock.
Topics: Animal Nutritional Physiological Phenomena; Animals; Animals, Domestic; beta Carotene; Carotenoids; Dietary Proteins; Embryonic and Fetal Development; Energy Intake; Female; Male; Phosphorus, Dietary; Reproduction; Sexual Maturation; Vitamin A | 1992 |
Serum retinol, beta-carotene, vitamin E, and selenium as related to subsequent cancer of specific sites.
Topics: Antioxidants; beta Carotene; Carotenoids; Case-Control Studies; Female; Finland; Free Radicals; Humans; Japan; Male; Neoplasms; Selenium; Switzerland; United Kingdom; United States; Vitamin A; Vitamin E | 1992 |
Fat-soluble vitamin nutrition for dairy cattle.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Carotenoids; Cattle; Food, Fortified; Vitamin A; Vitamin D; Vitamin E | 1991 |
Remission of precancerous lesions in the oral cavity of tobacco chewers and maintenance of the protective effect of beta-carotene or vitamin A.
Topics: Areca; beta Carotene; Carotenoids; Humans; Leukoplakia, Oral; Mouth Neoplasms; Plants, Medicinal; Plants, Toxic; Precancerous Conditions; Tobacco, Smokeless; Vitamin A | 1991 |
Studies evaluating antioxidants and beta-carotene as chemopreventives.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Clinical Trials as Topic; Disease Models, Animal; Humans; Lung Neoplasms; Neoplasms; Neoplasms, Experimental; Randomized Controlled Trials as Topic; Vitamin A | 1991 |
Cancer chemoprevention by supplemental carotenoids and synergism with retinol in mastodynia treatment.
Topics: Animals; Antioxidants; beta Carotene; Breast; Canthaxanthin; Carotenoids; Drug Synergism; Humans; In Vitro Techniques; Neoplasms; Pain; Vitamin A | 1990 |
The role of vitamin E in immune response and disease resistance.
Topics: Adjuvants, Immunologic; Animals; beta Carotene; Carotenoids; Food, Fortified; Humans; Immunity; Phagocytosis; Vitamin A; Vitamin E | 1990 |
Vitamin A and lung cancer.
Topics: beta Carotene; Carotenoids; Case-Control Studies; Cohort Studies; Diet; Fruit; Humans; Lung Neoplasms; Risk Factors; Smoking; Vegetables; Vitamin A | 1990 |
The place of chemoprevention studies in cancer prevention planning.
Topics: beta Carotene; Biomarkers; Carotenoids; Clinical Trials as Topic; Folic Acid; Health Planning; Humans; Neoplasms; Nutritional Physiological Phenomena; Vitamin A | 1990 |
Evaluation of vitamin A toxicity.
Topics: Abnormalities, Drug-Induced; Animals; beta Carotene; Carotenoids; Dose-Response Relationship, Drug; Drug Synergism; Humans; Hypervitaminosis A; Liver Diseases; Vitamin A | 1990 |
Provitamin A function of carotenoids: the conversion of beta-carotene into vitamin A.
Topics: Animals; beta Carotene; Carotenoids; Humans; Vitamin A | 1989 |
Dietary fiber reduces beta-carotene utilization.
Topics: Animals; beta Carotene; Carotenoids; Chick Embryo; Dietary Fiber; Pectins; Vitamin A | 1987 |
Naturally occurring anticarcinogenic substances in foodstuffs.
Topics: Animals; Ascorbic Acid; Benzopyrene Hydroxylase; beta Carotene; Carcinogens; Carotenoids; Chemical Phenomena; Chemistry; Diet; Dietary Fiber; DNA; Food; Glutathione; Glutathione Peroxidase; Glutathione Transferase; Hot Temperature; Humans; Inactivation, Metabolic; Neoplasms; Nitrosamines; Nitroso Compounds; Phenols; Phytosterols; Protease Inhibitors; Selenium; Vegetables; Vitamin A; Vitamin E | 1985 |
Role of vitamin A and beta carotene in radiation protection: relation to antioxidant properties.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Neoplasms, Radiation-Induced; Radiation Injuries, Experimental; Radiation-Protective Agents; Vitamin A; Whole-Body Irradiation | 1988 |
On the mechanism of beta-carotene conversion to vitamin A.
Topics: Animals; beta Carotene; Carotenoids; Rats; Vitamin A | 1988 |
Serum levels of retinol, beta-carotene, and alpha-tocopherol in older adults.
Topics: Adult; Aged; Antihypertensive Agents; beta Carotene; Carotenoids; Female; Humans; Hypertension; Male; Middle Aged; Sex Factors; Smoking; Vitamin A; Vitamin E | 1988 |
Vitamin A, beta-carotene and cancer.
Topics: Animals; beta Carotene; Carotenoids; Gastrointestinal Neoplasms; Humans; Neoplasms; Nutritional Status; Vitamin A | 1988 |
Immune function: relationship of nutrition and disease control. Vitamin A and beta-carotene on host defense.
Topics: Animal Diseases; Animals; beta Carotene; Carotenoids; Vitamin A | 1987 |
Retinol, beta-carotene and cancer.
Topics: beta Carotene; Carotenoids; Diet; Humans; Neoplasms; Prospective Studies; Retrospective Studies; Vitamin A | 1987 |
On the antioxidant hypothesis with regard to arteriosclerosis.
Topics: Animals; Antioxidants; Arteriosclerosis; Ascorbic Acid; beta Carotene; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Diet; Energy Intake; Epidemiologic Methods; Fatty Acids, Unsaturated; Free Radicals; Humans; Lipid Peroxides; Lipoproteins; Models, Biological; Risk; Selenium; Vitamin A; Vitamin E | 1986 |
Metabolism, nutrition, and function of carotenoids.
Topics: Absorption; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Birds; Carotenoids; Chemical Phenomena; Chemistry; Chick Embryo; Chickens; Fishes; Goldfish; Hydrocarbons; Insecta; Lutein; Neoplasms, Experimental; Oxidation-Reduction; Photosensitivity Disorders; Pigmentation; Pigments, Biological; Retina; Salmon; Skin; Trout; Vitamin A; Xanthophylls | 1986 |
Mechanism of conversion of beta-carotene into vitamin A--central cleavage versus random cleavage.
Topics: Animals; beta Carotene; Carotenoids; Guinea Pigs; Hydrolysis; In Vitro Techniques; Intestinal Mucosa; Liver; Models, Chemical; Rabbits; Rats; Retinaldehyde; Tretinoin; Vitamin A | 1985 |
Prevention of cancer: practical prospects.
Topics: Aflatoxins; Asbestos; beta Carotene; Carcinogens, Environmental; Carotenoids; Diet; Dietary Fiber; Hepatitis B; Humans; Iatrogenic Disease; Meat; Neoplasms; Neoplasms, Radiation-Induced; Nitrates; Occupational Diseases; Polycyclic Compounds; Selenium; Sexual Behavior; Smoking Prevention; Socioeconomic Factors; Vitamin A | 1984 |
The scientific basis for regarding vitamin A and its analogues as anti-carcinogenic agents.
Topics: Animals; Antineoplastic Agents; beta Carotene; Butylhydroxybutylnitrosamine; Carcinoma in Situ; Carcinoma, Papillary; Carotenoids; Cell Differentiation; Dose-Response Relationship, Drug; Epithelium; Fenretinide; Humans; Isotretinoin; Neoplasms; Neoplasms, Experimental; Tretinoin; Urinary Bladder Neoplasms; Vitamin A | 1983 |
Expressing dietary values for fat-soluble vitamins: changes in concepts and terminology.
Topics: Animals; beta Carotene; Biological Assay; Carotenoids; Cholecalciferol; Humans; Lipids; Nutritional Requirements; Nutritive Value; Solubility; Terminology as Topic; Vitamin A; Vitamin E; Vitamin K; Vitamin K 1 | 1981 |
Relative value of carotenoids as precursors of vitamin A.
Topics: Absorption; Animals; beta Carotene; Carotenoids; Chemical Phenomena; Chemistry; Drug Stability; Food Analysis; Humans; Stereoisomerism; Vitamin A; Vitamin A Deficiency | 1983 |
Vitamin A: evidence for its preventive role in human cancer.
Topics: beta Carotene; Carotenoids; Diet; Humans; Neoplasms; Prospective Studies; Retrospective Studies; Risk; Vitamin A | 1983 |
Multiple functions of vitamin A.
Topics: Absorption; Animals; beta Carotene; Biological Transport; Carotenoids; Cell Differentiation; Cell Membrane; Cell Nucleus; Chemical Phenomena; Chemistry; Diterpenes; Homeostasis; Humans; Intracellular Membranes; Polyisoprenyl Phosphate Monosaccharides; Terminology as Topic; Tretinoin; Vitamin A | 1984 |
Food, formula and drug effects on the disposition of nutrients.
Topics: Anti-Bacterial Agents; beta Carotene; Bile Acids and Salts; Biological Availability; Carotenoids; Food; Humans; Intestinal Absorption; Mineral Oil; Pharmacology; Riboflavin; Solubility; Vitamin A; Vitamins | 1984 |
Vitamin A and carotene in animal nutrition.
Topics: Absorption; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Artiodactyla; beta Carotene; Biological Availability; Biological Transport; Bone Development; Carotenoids; Chemical Phenomena; Chemistry; Drug Stability; Epithelium; Female; Fish Oils; Growth; Humans; Infections; Intestinal Absorption; Intracranial Pressure; Liver; Male; Neoplasms; Nutritional Requirements; Oxidation-Reduction; Reproduction; Silage; Structure-Activity Relationship; Tretinoin; Vision, Ocular; Vitamin A | 1984 |
Metabolism and nutritional significance of carotenoids.
Topics: Absorption; Animals; beta Carotene; Carotenoids; Cryptoxanthins; Food Analysis; Humans; Lutein; Lycopene; Models, Biological; Nutritional Requirements; Structure-Activity Relationship; Vitamin A; Xanthophylls | 1981 |
Current concepts in ultraviolet carcinogenesis.
Topics: Aging; Animals; Antioxidants; beta Carotene; Carcinogens; Carcinoma, Basal Cell; Carcinoma, Squamous Cell; Carotenoids; DNA; Female; Geography; Humans; Male; Melanocytes; Melanoma; Neoplasms, Radiation-Induced; Pyrimidine Dimers; Sex Factors; Skin Neoplasms; Ultraviolet Rays; Vitamin A | 1982 |
Possible role of beta-carotene in improving fertility in dairy cattle.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Fertility; Liver; Male; Nutritional Requirements; Pregnancy; Vitamin A | 1982 |
Role of nutrients in the cause and prevention of oxygen radical pathology.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Copper; Diet; Fatty Acids, Unsaturated; Free Radicals; Humans; Iron; Manganese; Nutritional Requirements; Oxygen; Reactive Oxygen Species; Selenium; Trace Elements; Vitamin A; Vitamin E; Vitamins; Zinc | 1994 |
Oxygen free radicals and antioxidants: a review.
Topics: Antioxidants; Arthritis, Rheumatoid; beta Carotene; Cardiovascular Diseases; Carotenoids; Free Radicals; Humans; Neoplasms; Oxygen; Superoxides; Vitamin A; Vitamin E | 1994 |
The role of vitamins A, beta-carotene, E and C in cancer cell biology.
Topics: Animals; Anticarcinogenic Agents; Ascorbic Acid; beta Carotene; Carotenoids; Cell Transformation, Neoplastic; Humans; Neoplasms; Vitamin A; Vitamin E | 1994 |
Vitamins and cancer: a practical means of prevention?
Topics: Animals; Antioxidants; Artifacts; beta Carotene; Breast Neoplasms; Carotenoids; Case-Control Studies; Cohort Studies; Diet; Digestive System Neoplasms; Female; Genital Neoplasms, Female; Humans; Lung Neoplasms; Neoplasms; Neoplasms, Experimental; Prospective Studies; Randomized Controlled Trials as Topic; Retrospective Studies; Sampling Studies; Urogenital Neoplasms; Vitamin A; Vitamin E; Vitamins | 1994 |
Physiological role of antioxidants in the immune system.
Topics: Aging; Animals; Antioxidants; beta Carotene; Carotenoids; Free Radicals; Humans; Immunity; Smoking; Vitamin A | 1993 |
Vitamin A as a hormone: recent advances in understanding the actions of retinol, retinoic acid, and beta carotene.
Topics: Animals; beta Carotene; Carotenoids; Humans; Retinol-Binding Proteins; Tretinoin; Vitamin A | 1993 |
Plant sources of provitamin A and human nutriture.
Topics: Adult; beta Carotene; Biological Availability; Carotenoids; Child; Diet; Female; Humans; Male; Nutritional Physiological Phenomena; Nutritive Value; Plants, Edible; Vitamin A; Vitamin A Deficiency | 1993 |
Chemoprevention strategies in lung carcinogenesis.
Topics: beta Carotene; Carotenoids; Head and Neck Neoplasms; Humans; Isotretinoin; Leukoplakia, Oral; Lung Neoplasms; Neoplasms, Second Primary; Risk Factors; Vitamin A | 1993 |
Chemoprophylaxis strategies in high-risk groups with an emphasis on lung cancer.
Topics: Aged; beta Carotene; Carotenoids; Female; Humans; Lung Neoplasms; Male; Middle Aged; Risk Factors; Smoking Prevention; Vitamin A | 1993 |
Effects of supplemental beta-carotene and vitamin A on reproduction in swine.
Topics: Animals; beta Carotene; Carotenoids; Female; Male; Reproduction; Swine; Vitamin A | 1993 |
[The role of vitamin A analogues and derivatives in the regulation of cell function].
Topics: Antioxidants; beta Carotene; Carotenoids; Cell Differentiation; Embryo, Mammalian; Embryonic and Fetal Development; Embryonic Induction; Gene Expression; Humans; Retinoids; Vitamin A | 1993 |
Carcinogen-induced tissue vitamin A depletion. Potential protective advantages of beta-carotene.
Topics: Animals; Benzopyrenes; beta Carotene; Carotenoids; Female; Liver; Lung; Lung Neoplasms; Nicotiana; Plants, Toxic; Rats; Rats, Inbred F344; Rats, Sprague-Dawley; Smoke; Vitamin A; Vitamin A Deficiency | 1993 |
Safety of antioxidant vitamins.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Humans; Vitamin A; Vitamin E; Vitamins | 1996 |
[Prevention of second primary cancer with vitamin supplementation in patients treated for head and neck cancers].
Topics: Acetylcysteine; Antineoplastic Agents; Antioxidants; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Follow-Up Studies; Head and Neck Neoplasms; Humans; Neoplasm Staging; Neoplasms, Second Primary; Risk Factors; Vegetables; Vitamin A; Vitamin E; Vitamins | 1996 |
[Vitamin A derivatives and prevention of bronchial cancers].
Topics: Antimutagenic Agents; beta Carotene; Bronchial Neoplasms; Carotenoids; Clinical Trials as Topic; Humans; Risk Factors; Vitamin A | 1996 |
Molecular epidemiology and retinoid chemoprevention of head and neck cancer.
Topics: beta Carotene; Biomarkers, Tumor; Diet; Genetic Predisposition to Disease; Genotype; Head and Neck Neoplasms; Humans; Incidence; Neoplasms, Second Primary; Predictive Value of Tests; Randomized Controlled Trials as Topic; Retinoids; Risk; Smoking; Vitamin A | 1997 |
Vitamins and cancer.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Female; Folic Acid; Humans; Male; Neoplasms; Proto-Oncogene Mas; Selenium; Vitamin A; Vitamin E; Vitamins | 1997 |
Antioxidant vitamins in the prevention of cardiovascular disease. The epidemiological evidence.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Cardiovascular Diseases; Humans; Nutritional Requirements; Randomized Controlled Trials as Topic; Vitamin A; Vitamins | 1997 |
Diet and lung cancer 20+ years later: more questions than answers?
Topics: Ascorbic Acid; beta Carotene; Case-Control Studies; Diet; Dietary Fats; Fruit; Humans; Life Style; Lung Neoplasms; Odds Ratio; Risk; Smoking; Vegetables; Vitamin A | 1997 |
Chemoprevention research in Europe.
Topics: Age Distribution; Anticarcinogenic Agents; beta Carotene; Colorectal Neoplasms; Europe; Female; Finland; Humans; Incidence; Lung Neoplasms; Male; Mortality; Neoplasms; Registries; Selenium; Stomach Neoplasms; Vitamin A; Vitamin E | 1997 |
The clinical evaluation of cancer prevention agents.
Topics: Anticarcinogenic Agents; beta Carotene; Chemoprevention; Clinical Trials, Phase I as Topic; Clinical Trials, Phase II as Topic; Clinical Trials, Phase III as Topic; Cohort Studies; Humans; Neoplasms; Patient Selection; Smoking; Vitamin A | 1997 |
Antioxidative vitamins in prevention of ischemia/reperfusion injury.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Humans; Reperfusion Injury; Vitamin A; Vitamin E; Vitamins | 1997 |
Chemoprevention of lung cancer: the rise and demise of beta-carotene.
Topics: Anticarcinogenic Agents; beta Carotene; Chemoprevention; Humans; Lung Neoplasms; Randomized Controlled Trials as Topic; Smoking Cessation; United States; Vitamin A | 1998 |
Vitamins and coronary heart disease: where do we stand?
Topics: Ascorbic Acid; beta Carotene; Clinical Trials as Topic; Coronary Disease; Female; Humans; Male; Sri Lanka; Vitamin A; Vitamin E; Vitamins | 1998 |
Protocol development for biological tracer studies.
Topics: beta Carotene; Carbon Isotopes; Chemistry Techniques, Analytical; Chromatography, Gas; Chromatography, High Pressure Liquid; Deuterium; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Isotopes; Kinetics; Vitamin A | 1998 |
Effect of lutein on beta-carotene absorption and cleavage.
Topics: Absorption; Animals; beta Carotene; Chylomicrons; Diet; Diterpenes; Drug Interactions; Humans; Lipoproteins; Lutein; Retinyl Esters; Vitamin A | 1998 |
Quantification of the "SLAMENGHI" factors for carotenoid bioavailability and bioconversion.
Topics: Absorption; beta Carotene; Carotenoids; Humans; Nutritional Status; Nutritive Value; Vitamin A | 1998 |
Current controversies in carotene nutrition.
Topics: Animals; beta Carotene; Child; Humans; Molecular Structure; Nutritional Status; Rats; Vitamin A; Vitamin A Deficiency | 1998 |
Plasma vitamins A and E in HIV-positive patients.
Topics: beta Carotene; Diet; Female; HIV Infections; Humans; Infant, Newborn; Infectious Disease Transmission, Vertical; Pregnancy; Pregnancy Complications, Infectious; Vitamin A; Vitamin A Deficiency; Vitamin E | 1998 |
The bioconversion of beta-carotene into retinoids.
Topics: Animals; beta Carotene; Humans; In Vitro Techniques; Intestinal Mucosa; Liver; Models, Chemical; Oxidation-Reduction; Retinaldehyde; Retinoids; Tretinoin; Vitamin A | 1998 |
Chemoprevention of head and neck and lung (pre)cancer.
Topics: beta Carotene; Biomarkers, Tumor; Clinical Trials as Topic; Head and Neck Neoplasms; Humans; Leukoplakia; Lung Neoplasms; Precancerous Conditions; Retinoids; Vitamin A | 1999 |
Alcohol, vitamin A, and beta-carotene: adverse interactions, including hepatotoxicity and carcinogenicity.
Topics: Animals; Antioxidants; beta Carotene; Carcinogens; Central Nervous System Depressants; Drug Synergism; Ethanol; Humans; Liver; Liver Cirrhosis, Alcoholic; Lung Neoplasms; Microsomes, Liver; Vitamin A; Vitamin A Deficiency | 1999 |
Vitamins and lung cancer.
Topics: Ascorbic Acid; beta Carotene; Humans; Lung Neoplasms; Risk Factors; Vitamin A; Vitamins | 1999 |
Plant sources of vitamin A and human nutriture: how much is still too little?
Topics: Anthelmintics; beta Carotene; Child Nutrition Disorders; Child, Preschool; Diet; Ghana; Humans; Nutritional Status; Public Policy; Vegetables; Vitamin A; Vitamin A Deficiency | 1999 |
The vitamin A spectrum: from deficiency to toxicity.
Topics: Animals; beta Carotene; Dark Adaptation; Female; Humans; Middle Aged; Vitamin A; Vitamin A Deficiency | 2000 |
Diet and bladder cancer: a meta-analysis of six dietary variables.
Topics: beta Carotene; Dietary Fats; Female; Fruit; Humans; Male; Meat; Risk; Urinary Bladder Neoplasms; Vegetables; Vitamin A | 2000 |
Criteria for implementation of large and multiagent clinical chemoprevention trials.
Topics: Animals; Anticarcinogenic Agents; beta Carotene; Clinical Protocols; Clinical Trials as Topic; Drug Therapy, Combination; Humans; Neoplasms; Vitamin A | 2000 |
Prevention of lung cancer.
Topics: Adenocarcinoma; Adolescent; Adult; Aged; Anticarcinogenic Agents; beta Carotene; Carotenoids; Chromosomes, Human, Pair 3; Clinical Trials as Topic; Cocarcinogenesis; Cytochrome P-450 CYP1A1; Diterpenes; Female; Flavonoids; Genetic Predisposition to Disease; Glutathione Transferase; Humans; Inactivation, Metabolic; Incidence; Lung Neoplasms; Lycopene; Male; Middle Aged; Polymorphism, Genetic; Precancerous Conditions; Retinoids; Retinyl Esters; Risk Factors; Selenium; Smoking; Smoking Prevention; Trace Elements; Treatment Outcome; Vitamin A; Vitamin E | 2000 |
The role of provitamin A carotenoids in the prevention and control of vitamin A deficiency.
Topics: beta Carotene; Carotenoids; Case-Control Studies; Humans; Plant Oils; Prevalence; Vegetables; Vitamin A; Vitamin A Deficiency | 1999 |
Liver diseases by alcohol and hepatitis C: early detection and new insights in pathogenesis lead to improved treatment.
Topics: beta Carotene; Ethanol; Fatty Liver; Hepatitis C; Hepatitis, Alcoholic; Humans; Lipid Peroxidation; Liver Cirrhosis; NAD; Nutritional Status; Oxidative Stress; Phosphatidylcholines; S-Adenosylmethionine; Vitamin A | 2001 |
[Cancer of the prostate: influence of nutritional factors. Vitamins, antioxidants and trace elements].
Topics: Aged; Animals; Antioxidants; Ascorbic Acid; beta Carotene; Cadmium; Carotenoids; Clinical Trials as Topic; Cohort Studies; Follow-Up Studies; Humans; Lycopene; Male; Mice; Prospective Studies; Prostatic Neoplasms; Randomized Controlled Trials as Topic; Risk Factors; Selenium; Solanum lycopersicum; Time Factors; Trace Elements; Tumor Cells, Cultured; Vitamin A; Vitamin D; Vitamin E; Vitamins | 2001 |
Alcohol and retinoids.
Topics: Aldehyde Dehydrogenase; Aldehyde Dehydrogenase 1 Family; Aldehyde Dehydrogenase, Mitochondrial; Animals; beta Carotene; Central Nervous System Depressants; Colon; Esophagus; Ethanol; Hepatocytes; Humans; Isoenzymes; Kupffer Cells; Liver; Retinal Dehydrogenase; Tretinoin; Vitamin A | 2001 |
The evolving role of carotenoids in human biochemistry.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Fruit; Humans; Lung Neoplasms; Macular Degeneration; Neoplasms; Reactive Oxygen Species; Smoking; Vegetables; Vitamin A | 2001 |
Results and lessons from clinical trials using dietary supplements for cancer: direct and indirect investigations.
Topics: Acetylcysteine; Amygdalin; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Disease Progression; Humans; Neoplasms; Randomized Controlled Trials as Topic; Selenium; Tissue Extracts; Vitamin A; Vitamin E | 2001 |
Influence of dietary fat on beta-carotene absorption and bioconversion into vitamin A.
Topics: Adolescent; Adult; beta Carotene; Child; Child, Preschool; Dietary Fats; Female; Humans; Male; Middle Aged; Vitamin A | 2002 |
The interaction of cigarette smoking and antioxidants. Part I: diet and carotenoids.
Topics: Antioxidants; beta Carotene; Biomarkers; Cardiovascular Diseases; Cohort Studies; Dietary Supplements; Feeding Behavior; Food-Drug Interactions; Fruit; Humans; Lung Neoplasms; Oxidative Stress; Randomized Controlled Trials as Topic; Smoking; Vegetables; Vitamin A | 2002 |
Drugs for preventing lung cancer in healthy people.
Topics: alpha-Tocopherol; beta Carotene; Dietary Supplements; Health Status; Humans; Lung Neoplasms; Minerals; Randomized Controlled Trials as Topic; Vitamin A; Vitamins | 2003 |
Vitamin A, beta-carotene, and mother-to-child transmission of HIV.
Topics: Adult; Africa South of the Sahara; beta Carotene; Dietary Supplements; Dose-Response Relationship, Drug; Female; HIV Infections; Humans; Infant; Infant Mortality; Infectious Disease Transmission, Vertical; Nutritional Status; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Outcome; Vitamin A | 2003 |
Alleviation of vitamin A deficiency with palm fruit and its products.
Topics: beta Carotene; Biological Availability; Humans; Hypervitaminosis A; Nutritive Value; Palm Oil; Plant Oils; Public Health; Safety; Vitamin A; Vitamin A Deficiency | 2003 |
Oxidative conversion of carotenoids to retinoids and other products.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Biological Availability; Carotenoids; Diet; Dietary Fats; Humans; Intestines; Liver; Oxidation-Reduction; Oxygenases; Retinoids; Vitamin A | 2004 |
Alpha and omega of carotenoid cleavage.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Crystallization; Intestinal Mucosa; Oxidation-Reduction; Oxygenases; Retinaldehyde; Vitamin A | 2004 |
Vitamin A formation in animals: molecular identification and functional characterization of carotene cleaving enzymes.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Blindness; Carotenoids; Drosophila melanogaster; Drosophila Proteins; Growth; Humans; Mutation; Organ Specificity; Oxygenases; Phylogeny; Vitamin A | 2004 |
Carotenoid action on the immune response.
Topics: Animals; beta Carotene; Carotenoids; Diet; Humans; Immunity; Neoplasms; Reactive Oxygen Species; Vitamin A | 2004 |
Recent trials of antioxidant therapy: what should we be telling our patients?
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Clinical Trials as Topic; Coronary Artery Disease; Dietary Supplements; Female; Humans; Lipid Peroxidation; Male; Oxidation-Reduction; Oxidative Stress; Patient Education as Topic; Prognosis; Risk Assessment; Treatment Outcome; Vitamin A; Vitamin E | 2004 |
An ideal ocular nutritional supplement?
Topics: Aged; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Ginkgo biloba; Humans; Lutein; Macular Degeneration; Nutritional Physiological Phenomena; Riboflavin; Vitamin A; Vitamin B 12; Vitamin E; Xanthophylls; Zeaxanthins | 2004 |
Vitamin A intake and osteoporosis: a clinical review.
Topics: Aged; Animals; beta Carotene; Body Mass Index; Bone and Bones; Bone Density; Cohort Studies; Female; Fractures, Bone; Hip Fractures; Humans; Male; Osteoporosis; Primary Prevention; Randomized Controlled Trials as Topic; Risk Factors; Time Factors; United States; Vitamin A | 2004 |
The roles of vitamin A for cytoplasmic maturation of bovine oocytes.
Topics: Animals; Antioxidants; beta Carotene; Cattle; Culture Techniques; Cytoplasm; Embryonic Development; Female; Fertilization in Vitro; Granulosa Cells; Insemination, Artificial; Models, Chemical; Oocytes; Oogenesis; Ovarian Follicle; Ovary; Ovum; Prostaglandin-Endoperoxide Synthases; Tretinoin; Vitamin A | 2005 |
Dietary antioxidant compounds and liver health.
Topics: alpha-Tocopherol; Animals; Antioxidants; beta Carotene; Biological Availability; Carotenoids; Diet; Flavonoids; Health Promotion; Humans; Liver; Liver Diseases; Lycopene; Phenols; Polyphenols; Quercetin; Resveratrol; Stilbenes; Vitamin A | 2004 |
Mortality in randomized trials of antioxidant supplements for primary and secondary prevention: systematic review and meta-analysis.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Humans; Randomized Controlled Trials as Topic; Selenium; Vitamin A; Vitamin E | 2007 |
Conversion of beta-carotene to retinal pigment.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Humans; Pigment Epithelium of Eye; Vitamin A; Vitamin A Deficiency | 2007 |
Vitamin A-storing cells (stellate cells).
Topics: Animals; beta Carotene; Extracellular Matrix; Hepatocytes; Humans; Liver; Species Specificity; Vitamin A | 2007 |
Chemoprevention of lung cancers: lessons from CARET, the beta-carotene and retinol efficacy trial, and prospects for the future.
Topics: Anticarcinogenic Agents; beta Carotene; Chemoprevention; Clinical Trials as Topic; Humans; Lung Neoplasms; Vitamin A | 2007 |
The importance of beta-carotene as a source of vitamin A with special regard to pregnant and breastfeeding women.
Topics: Adult; beta Carotene; Dietary Supplements; Female; Food, Fortified; Germany; Humans; Infant; Infant Nutritional Physiological Phenomena; Infant, Newborn; Lactation; Legislation, Food; Male; Maternal Nutritional Physiological Phenomena; Nutrition Policy; Nutritional Requirements; Pregnancy; Vitamin A; Vitamin A Deficiency; Vitamins | 2007 |
Multivitamin/mineral supplements and prevention of chronic disease.
Topics: beta Carotene; Calcium; Chronic Disease; Dietary Supplements; Folic Acid; Humans; Selenium; Trace Elements; Vitamin A; Vitamin B Complex; Vitamin D; Vitamin E; Vitamins | 2006 |
Nutritargeting.
Topics: Aging; Antioxidants; beta Carotene; Biological Availability; Carotenoids; Humans; Micronutrients; Nutrition Policy; Nutritional Requirements; Solubility; Vitamin A; Vitamin E | 2008 |
Antioxidant supplements for prevention of mortality in healthy participants and patients with various diseases.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Health Status; Humans; Mortality; Primary Prevention; Randomized Controlled Trials as Topic; Selenium; Vitamin A; Vitamin E | 2008 |
Biological and pharmacological activities of squalene and related compounds: potential uses in cosmetic dermatology.
Topics: Animals; Antioxidants; beta Carotene; Cosmetics; Dermatology; Emollients; Emulsions; Humans; Lipids; Molecular Structure; Oxidation-Reduction; Plant Oils; Skin; Squalene; Ubiquinone; Vitamin A; Vitamin E; Vitamin K 1; Vitamins | 2009 |
Nutrition aspects of lung cancer.
Topics: Aged; Anorexia; Antineoplastic Agents, Phytogenic; beta Carotene; Complementary Therapies; Diet; Dietary Supplements; Dysgeusia; Female; Gastrointestinal Diseases; Humans; Lung Neoplasms; Smoking; Vitamin A; Vomiting | 2009 |
Antioxidants in the chemoprevention of colorectal cancer and colorectal adenomas in the general population: a systematic review and meta-analysis.
Topics: Adenoma; Antioxidants; Ascorbic Acid; beta Carotene; Colorectal Neoplasms; Humans; Selenium; Vitamin A; Vitamin E | 2011 |
Meta-analysis: antioxidant supplements for liver diseases - the Cochrane Hepato-Biliary Group.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Bias; Female; Humans; Liver Diseases; Male; Middle Aged; Selenium; Vitamin A; Vitamin E | 2010 |
Biotransformation of carotenoids to retinal by carotenoid 15,15'-oxygenase.
Topics: Animals; beta Carotene; Biotransformation; Cyanobacteria; Fusarium; Humans; Oxygenases; Retinaldehyde; Substrate Specificity; Vitamin A | 2010 |
Micronutrient supplementation in children and adults with HIV infection.
Topics: Adult; beta Carotene; Child; Dietary Supplements; Female; HIV Infections; HIV-1; HIV-2; Humans; Micronutrients; Pregnancy; Pregnancy Complications, Infectious; Randomized Controlled Trials as Topic; Selenium; Vitamin A; Vitamin D; Vitamins; Zinc | 2010 |
Antioxidant supplements for liver diseases.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Cause of Death; Dietary Supplements; Humans; Liver Diseases; Oxidative Stress; Randomized Controlled Trials as Topic; Selenium; Vitamin A; Vitamin E | 2011 |
Maternal-fetal transfer and metabolism of vitamin A and its precursor β-carotene in the developing tissues.
Topics: Animals; beta Carotene; Biological Transport; Embryo, Mammalian; Embryonic Development; Female; Humans; Intestinal Absorption; Maternal-Fetal Exchange; Mice; Mice, Knockout; Oxygenases; Pregnancy; Retinol-Binding Proteins; Tretinoin; Vitamin A | 2012 |
Vitamin A and retinoid derivatives for lung cancer: a systematic review and meta analysis.
Topics: Animals; beta Carotene; Diterpenes; Humans; Lung Neoplasms; Retinoids; Retinyl Esters; Vitamin A | 2011 |
Proteins involved in uptake, intracellular transport and basolateral secretion of fat-soluble vitamins and carotenoids by mammalian enterocytes.
Topics: Animals; ATP-Binding Cassette Transporters; beta Carotene; Biological Transport; CD36 Antigens; Cholesterol; Enterocytes; Fatty Acid-Binding Proteins; Humans; Intestinal Absorption; Intestinal Mucosa; Intestines; Mammals; Scavenger Receptors, Class B; Vitamin A; Vitamin D; Vitamin E; Vitamin K | 2011 |
The contribution of β-carotene to vitamin A supply of humans.
Topics: beta Carotene; Carotenoids; Diet; Europe; Female; Food; Humans; Male; Nutrition Surveys; Nutritional Requirements; Vitamin A; Vitamin A Deficiency | 2012 |
Vitamin A: too much of a good thing?
Topics: Abnormalities, Drug-Induced; beta Carotene; Clinical Trials as Topic; Dietary Supplements; Dose-Response Relationship, Drug; Female; Humans; Hypervitaminosis A; Infant, Newborn; Nonprescription Drugs; Perinatal Care; Pregnancy; Pregnancy Complications; United States; United States Food and Drug Administration; Vitamin A; Vitamin A Deficiency; Vitamins | 2012 |
Antioxidant supplements for prevention of mortality in healthy participants and patients with various diseases.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Female; Health Status; Humans; Male; Mortality; Primary Prevention; Randomized Controlled Trials as Topic; Secondary Prevention; Selenium; Vitamin A; Vitamin E | 2012 |
Adverse effects of antioxidative vitamins.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Dose-Response Relationship, Drug; Food-Drug Interactions; Humans; Hypervitaminosis A; Vitamin A; Vitamin E | 2012 |
[Chemoprevention of oral cancer--clinical and experimental studies].
Topics: Animals; Antineoplastic Agents; beta Carotene; Carcinoma, Squamous Cell; Chemoprevention; Drugs, Chinese Herbal; Fenretinide; Humans; Isotretinoin; Mouth Neoplasms; Neoplasm Recurrence, Local; Phytotherapy; Precancerous Conditions; Vitamin A | 2012 |
Antioxidant vitamins and mineral supplementation, life span expansion and cancer incidence: a critical commentary.
Topics: Aging; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Dietary Supplements; Diterpenes; Heart Diseases; Humans; Incidence; Life Expectancy; Neoplasms; Randomized Controlled Trials as Topic; Retinyl Esters; Selenium; Trace Elements; Vitamin A; Vitamin E; Vitamins | 2012 |
Effects of antioxidants on CD4 and viral load in HIV-infected women in sub-Saharan Africa - dietary supplements vs. local diet.
Topics: Africa South of the Sahara; Antioxidants; Ascorbic Acid; beta Carotene; CD4 Lymphocyte Count; Diet; Dietary Supplements; HIV Infections; Humans; Oxidative Stress; Polyphenols; Selenium; Viral Load; Vitamin A; Vitamin E; Zinc | 2012 |
Provitamin A metabolism and functions in mammalian biology.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Dioxygenases; Gene Expression Regulation; Humans; Intestinal Absorption; Mice; Vitamin A; Vitamin A Deficiency | 2012 |
Techniques for measuring vitamin A activity from β-carotene.
Topics: beta Carotene; Deuterium Oxide; Food Analysis; Humans; Isotope Labeling; Vitamin A | 2012 |
The challenge to reach nutritional adequacy for vitamin A: β-carotene bioavailability and conversion--evidence in humans.
Topics: beta Carotene; Biological Availability; Fruit; Humans; Intestinal Absorption; Nutritional Status; Vegetables; Vitamin A; Vitamin A Deficiency | 2012 |
Drugs for preventing lung cancer in healthy people.
Topics: alpha-Tocopherol; Ascorbic Acid; beta Carotene; Dietary Supplements; Female; Health Status; Humans; Lung Neoplasms; Male; Minerals; Randomized Controlled Trials as Topic; Selenium Compounds; Vitamin A; Vitamins | 2012 |
A comparison of retinyl palmitate and red palm oil β-carotene as strategies to address Vitamin A deficiency.
Topics: beta Carotene; Diet; Dietary Supplements; Diterpenes; Edible Grain; Feasibility Studies; Food, Fortified; Humans; Palm Oil; Plant Oils; Randomized Controlled Trials as Topic; Retinyl Esters; Vitamin A; Vitamin A Deficiency | 2013 |
Meta-regression analyses, meta-analyses, and trial sequential analyses of the effects of supplementation with beta-carotene, vitamin A, and vitamin E singly or in different combinations on all-cause mortality: do we have evidence for lack of harm?
Topics: Adolescent; Adult; Aged; Aged, 80 and over; beta Carotene; Dietary Supplements; Drug Combinations; Female; Humans; Male; Middle Aged; Mortality; Randomized Controlled Trials as Topic; Regression Analysis; Vitamin A; Vitamin E | 2013 |
Antioxidant supplements and mortality.
Topics: Antioxidants; beta Carotene; Cardiovascular Diseases; Chronic Disease; Dietary Supplements; Dose-Response Relationship, Drug; Humans; Meta-Analysis as Topic; Neoplasms; Observational Studies as Topic; Randomized Controlled Trials as Topic; Vitamin A; Vitamin E | 2014 |
Functions, therapeutic applications, and synthesis of retinoids and carotenoids.
Topics: Alzheimer Disease; Animals; Antioxidants; Apoptosis; beta Carotene; Carotenoids; Humans; Metabolic Diseases; Neoplasms; Reactive Oxygen Species; Receptors, Cytoplasmic and Nuclear; Retinoids; Tretinoin; Vitamin A | 2014 |
Mammalian metabolism of β-carotene: gaps in knowledge.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Diet; Dioxygenases; Humans; Intestinal Absorption; Mammals; Recommended Dietary Allowances; Vitamin A | 2013 |
Vitamin A and carotenoids and the risk of Parkinson's disease: a systematic review and meta-analysis.
Topics: Animals; beta Carotene; Carotenoids; Case-Control Studies; Humans; Parkinson Disease; Risk Factors; Vitamin A | 2014 |
A review of vitamin A equivalency of β-carotene in various food matrices for human consumption.
Topics: Animals; beta Carotene; Dietary Fats; Dietary Supplements; Food, Fortified; Functional Food; Humans; Hydrolysis; National Academies of Science, Engineering, and Medicine, U.S., Health and Medicine Division; Nutritive Value; Plant Oils; Recommended Dietary Allowances; United States; Vegetables; Vitamin A | 2014 |
Vitamin A intake and risk of melanoma: a meta-analysis.
Topics: beta Carotene; Case-Control Studies; Humans; Melanoma; Prospective Studies; Skin; Skin Neoplasms; Vitamin A; Vitamins | 2014 |
Antioxidant vitamin supplementation reduces arterial stiffness in adults: a systematic review and meta-analysis of randomized controlled trials.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Databases, Factual; Dietary Supplements; Humans; Randomized Controlled Trials as Topic; Vascular Stiffness; Vitamin A; Vitamin E; Vitamins | 2014 |
Antioxidants for pain in chronic pancreatitis.
Topics: Abdominal Pain; Analgesics; Antioxidants; Ascorbic Acid; beta Carotene; Chronic Pain; Gastrointestinal Diseases; Headache; Humans; Pain Measurement; Pancreatitis, Chronic; Randomized Controlled Trials as Topic; Vitamin A; Vitamin E | 2014 |
Association of vitamin A and β-carotene with risk for age-related cataract: a meta-analysis.
Topics: Antioxidants; beta Carotene; Cataract; Diet; Dietary Supplements; Humans; Risk; Vitamin A; Vitamins | 2014 |
Beta-cryptoxanthin as a source of vitamin A.
Topics: Animals; Antioxidants; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Citrus; Cryptoxanthins; Diospyros; Fruit; Humans; Hydrolysis; Intestinal Absorption; Models, Biological; Nutritive Value; Substrate Specificity; Vitamin A | 2015 |
Bioavailability of Micronutrients from Plant Foods: An Update.
Topics: Antioxidants; beta Carotene; Biological Availability; Calcium, Dietary; Carica; Diet; Food Handling; Fruit; Humans; Iodine; Iron, Dietary; Mangifera; Micronutrients; Plants, Edible; Vegetables; Vitamin A; Zinc | 2016 |
The potential of orange-fleshed sweet potato to prevent vitamin A deficiency in Africa.
Topics: Africa; beta Carotene; Child Mortality; Child, Preschool; Diet; Dietary Supplements; Female; Food, Fortified; Health Status; Humans; Infant Food; Ipomoea batatas; Lactation; Nutritional Requirements; Nutritional Status; Plant Tubers; Poverty; Pregnancy; Rural Population; Vitamin A; Vitamin A Deficiency | 2014 |
Effect of Vitamin Intake on Cognitive Decline in Older Adults: Evaluation of the Evidence.
Topics: Aged; Antioxidants; Ascorbic Acid; beta Carotene; Cognition; Cognition Disorders; Dementia; Dietary Supplements; Folic Acid; Homocysteine; Humans; Meta-Analysis as Topic; Vitamin A; Vitamin B 12; Vitamin B 6; Vitamin D; Vitamin D Deficiency; Vitamin E; Vitamins | 2015 |
Hypercarotenodermia in Zambia: which children turned orange during mango season?
Topics: beta Carotene; Child, Preschool; Diet; Dietary Supplements; Diterpenes; Dose-Response Relationship, Drug; Evidence-Based Medicine; Food, Fortified; Humans; Hypervitaminosis A; Infant; Mangifera; Nutritional Status; Recommended Dietary Allowances; Retinyl Esters; Rural Population; Seasons; Skin; Vitamin A; Zambia | 2015 |
[Antioxidants--antioxidative stress: facts and questions, 2015].
Topics: Anticarcinogenic Agents; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Drug Therapy, Combination; Flavonoids; Humans; Oxidants; Oxidative Stress; Polyphenols; Signal Transduction; Vitamin A; Vitamin E; Vitamins | 2015 |
Association of Dietary Vitamin A and β-Carotene Intake with the Risk of Lung Cancer: A Meta-Analysis of 19 Publications.
Topics: Animals; beta Carotene; Databases, Factual; Diet; Disease Models, Animal; Humans; Lung Neoplasms; Risk Factors; Sensitivity and Specificity; Vitamin A | 2015 |
Carotenoid Biosynthesis in Daucus carota.
Topics: beta Carotene; Carotenoids; Daucus carota; Gene Expression Regulation, Plant; Humans; Pigments, Biological; Plant Roots; Plastids; Vitamin A | 2016 |
Meeting the Vitamin A Requirement: The Efficacy and Importance of
Topics: Animals; beta Carotene; Diet; Intestinal Absorption; Vitamin A | 2016 |
The research and implementation continuum of biofortified sweet potato and maize in Africa.
Topics: Africa; Animals; beta Carotene; Biofortification; Clinical Trials as Topic; Food Analysis; Food Industry; Food, Fortified; Humans; Ipomoea batatas; Mozambique; South Africa; Uganda; Vitamin A; Zambia; Zea mays | 2017 |
Micronutrient supplementation in adults with HIV infection.
Topics: Adult; beta Carotene; Cause of Death; CD4 Lymphocyte Count; Child; Dietary Supplements; Female; HIV Infections; HIV-1; HIV-2; Hospitalization; Humans; Micronutrients; Pregnancy; Pregnancy Complications, Infectious; Randomized Controlled Trials as Topic; Selenium; Viral Load; Vitamin A; Vitamin D; Vitamins; Zinc | 2017 |
The Effect of Vitamin A on Fracture Risk: A Meta-Analysis of Cohort Studies.
Topics: Adult; beta Carotene; Cohort Studies; Diet; Female; Hip Fractures; Humans; Male; Middle Aged; Risk Factors; Vitamin A; Vitamin A Deficiency; Young Adult | 2017 |
Chemoprevention of oral cancer in leukoplakia patients: A systematic review and meta-analysis.
Topics: Antineoplastic Agents; beta Carotene; Chemoprevention; Erlotinib Hydrochloride; Humans; Isotretinoin; Leukoplakia, Oral; Mouth Neoplasms; Precancerous Conditions; Provitamins; Tea; Treatment Outcome; Vitamin A; Vitamins | 2017 |
The Effect of Red Palm Oil on Vitamin A Deficiency: A Meta-Analysis of Randomized Controlled Trials.
Topics: beta Carotene; Carotenoids; Humans; Palm Oil; Randomized Controlled Trials as Topic; Sensitivity and Specificity; Vitamin A; Vitamin A Deficiency | 2017 |
Pharmacotherapy of retinal disease with visual cycle modulators.
Topics: Acyltransferases; ATP-Binding Cassette Transporters; beta Carotene; cis-trans-Isomerases; Diterpenes; Humans; Isotretinoin; Phenyl Ethers; Propanolamines; Retinal Diseases; Retinoids; Retinyl Esters; Vitamin A | 2018 |
A systematic review and meta-analysis of the association between vitamin A intake, serum vitamin A, and risk of liver cancer.
Topics: beta Carotene; Beta-Cryptoxanthin; Carotenoids; Humans; Liver Neoplasms; Observational Studies as Topic; Randomized Controlled Trials as Topic; Risk Factors; Vitamin A | 2018 |
Vitamin A and beta (β)-carotene supplementation for cystic fibrosis.
Topics: beta Carotene; Cystic Fibrosis; Humans; Provitamins; Randomized Controlled Trials as Topic; Vitamin A; Vitamin A Deficiency; Vitamins | 2018 |
Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Calcium; Cholecalciferol; Cognition; Cognitive Dysfunction; Copper; Dementia; Dietary Supplements; Folic Acid; Humans; Middle Aged; Minerals; Randomized Controlled Trials as Topic; Selenium; Vitamin A; Vitamin B 12; Vitamin B 6; Vitamin E; Vitamins; Zinc | 2018 |
Dietary vitamin and carotenoid intake and risk of age-related cataract.
Topics: Adult; Aged; Aged, 80 and over; Aging; Animals; Ascorbic Acid; beta Carotene; Carotenoids; Cataract; Diet; Dietary Supplements; Female; Humans; Male; MEDLINE; Middle Aged; Randomized Controlled Trials as Topic; Risk Factors; Vitamin A; Vitamin E; Vitamins | 2019 |
Interplay between β-carotene and lipoprotein metabolism at the maternal-fetal barrier.
Topics: Animals; beta Carotene; Carotenoids; Embryonic Development; Female; Humans; Lipoproteins; Maternal-Fetal Relations; Placenta; Pregnancy; Vitamin A; Vitamin A Deficiency | 2020 |
The role of β-carotene and vitamin A in atherogenesis: Evidences from preclinical and clinical studies.
Topics: Atherosclerosis; beta Carotene; Biological Transport; Humans; Lipid Metabolism; Macrophages; Obesity; Vitamin A | 2020 |
Drugs for preventing lung cancer in healthy people.
Topics: alpha-Tocopherol; Ascorbic Acid; beta Carotene; Calcium, Dietary; Cholecalciferol; Confidence Intervals; Dietary Supplements; Female; Health Status; Humans; Incidence; Lung Neoplasms; Male; Minerals; Randomized Controlled Trials as Topic; Selenium; Selenium Compounds; Sex Factors; Vitamin A; Vitamin E; Vitamins | 2020 |
Maternal-Fetal Transfer of Vitamin A and Its Impact on Mammalian Embryonic Development.
Topics: Animals; beta Carotene; Embryonic Development; Female; Humans; Pregnancy; Pregnancy Complications; Retinol-Binding Proteins; Vitamin A; Vitamin A Deficiency | 2020 |
The association of dietary β-carotene and vitamin A intake on the risk of esophageal cancer: a meta-analysis.
Topics: beta Carotene; Diet; Esophageal Neoplasms; Humans; Nutritional Status; Risk Factors; Vitamin A | 2020 |
Vitamin A and Bone Fractures: Systematic Review and Meta-Analysis.
Topics: beta Carotene; Case-Control Studies; Fractures, Bone; Hip Fractures; Humans; Prospective Studies; Risk Factors; Vitamin A | 2021 |
Vitamin and Mineral Supplements for the Primary Prevention of Cardiovascular Disease and Cancer: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force.
Topics: Adult; Advisory Committees; beta Carotene; Cardiovascular Diseases; Dietary Supplements; Humans; Lung Neoplasms; Minerals; Neoplasms; Primary Prevention; United States; Vitamin A; Vitamins | 2022 |
Association of vitamin A and its organic compounds with stroke - a systematic review and meta-analysis.
Topics: beta Carotene; Humans; Stroke; Vitamin A | 2023 |
Review of Evidence for the Usage of Antioxidants for Eye Aging.
Topics: Aged; Aging; Anthocyanins; Antioxidants; beta Carotene; Carotenoids; Dietary Supplements; Humans; Lutein; Reactive Oxygen Species; Retina; Vitamin A; Vitamins; Zeaxanthins | 2022 |
Investigating Causal Associations of Circulating Micronutrients Concentrations with the Risk of Lung Cancer: A Mendelian Randomization Study.
Topics: beta Carotene; Calcium; Carcinoma, Non-Small-Cell Lung; Copper; Genome-Wide Association Study; Humans; Lung Neoplasms; Mendelian Randomization Analysis; Micronutrients; Phosphorus; Polymorphism, Single Nucleotide; Vitamin A; Zinc | 2022 |
Quantum chemistry rules retinoid biology.
Topics: beta Carotene; Biology; Retinoids; Vitamin A | 2023 |
Regulation of gut microbiota by vitamin C, vitamin E and β-carotene.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Gastrointestinal Microbiome; Vitamin A; Vitamin E; Vitamin K; Vitamins | 2023 |
Is beta-carotene consumption associated with thyroid hormone levels?
Topics: beta Carotene; Physiological Phenomena; Thyroid Gland; Thyroid Hormones; Vitamin A | 2023 |
Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration.
Topics: Antioxidants; beta Carotene; Dietary Supplements; Female; Geographic Atrophy; Humans; Lutein; Macular Degeneration; Male; Malnutrition; Minerals; Vitamin A; Vitamin K; Vitamins; Zeaxanthins; Zinc | 2023 |
225 trial(s) available for retinol and beta carotene
| Article | Year |
|---|---|
A collaborative case-control study of nutrient intake and pancreatic cancer within the search programme.
Topics: Adult; Aged; Ascorbic Acid; Australia; beta Carotene; Body Height; Body Weight; Canada; Carotenoids; Case-Control Studies; Cholesterol, Dietary; Diet; Dietary Fiber; Energy Intake; Feeding Behavior; Female; Humans; Male; Middle Aged; Netherlands; Pancreatic Neoplasms; Poland; Vitamin A | 1992 |
Serum beta-carotene before and after beta-carotene supplementation.
Topics: Administration, Oral; Adult; Aged; beta Carotene; Body Mass Index; Carotenoids; Cholesterol; Double-Blind Method; gamma-Glutamyltransferase; Humans; Male; Middle Aged; Vitamin A; Vitamin E | 1992 |
Carotene and retinol efficacy trial: lung cancer chemoprevention trial in heavy cigarette smokers and asbestos-exposed workers. CARET Coinvestigators and Staff.
Topics: Aged; Anticarcinogenic Agents; Asbestos; beta Carotene; Carotenoids; Drug Therapy, Combination; Female; Humans; Lung Neoplasms; Male; Middle Aged; Occupational Diseases; Smoking; United States; Vitamin A | 1992 |
An intervention trial in high-risk asbestos-exposed persons.
Topics: Anticarcinogenic Agents; Asbestos; beta Carotene; Carotenoids; Clinical Protocols; Cohort Studies; Double-Blind Method; Female; Humans; Lung Neoplasms; Male; Middle Aged; Occupational Diseases; Patient Compliance; Sputum; United States; Vitamin A | 1992 |
Serum retinol, beta-carotene, vitamin E, and selenium as related to subsequent cancer of specific sites.
Topics: Antioxidants; beta Carotene; Carotenoids; Case-Control Studies; Female; Finland; Free Radicals; Humans; Japan; Male; Neoplasms; Selenium; Switzerland; United Kingdom; United States; Vitamin A; Vitamin E | 1992 |
Management of oral mucosal dysplasia with beta-carotene retinoic acid: a pilot cross-over study.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Drug Evaluation; Erythroplasia; Female; Humans; Leukoplakia, Oral; Lichen Planus; Male; Middle Aged; Mouth Diseases; Mouth Mucosa; Pilot Projects; Precancerous Conditions; Prospective Studies; Smoking; Tretinoin; Vitamin A | 1991 |
Participation and adherence among older men and women recruited to the Beta-Carotene and Retinol Efficacy trial (CARET).
Topics: Age Factors; Aged; beta Carotene; Carotenoids; Clinical Trials as Topic; Community Participation; Female; Humans; Lung Neoplasms; Male; Middle Aged; Patient Compliance; Pilot Projects; Primary Prevention; Sex Factors; Vitamin A | 1991 |
CARET, the beta-carotene and retinol efficacy trial to prevent lung cancer in asbestos-exposed workers and in smokers.
Topics: Aged; Asbestos; beta Carotene; Carotenoids; Double-Blind Method; Drug Therapy, Combination; Female; Follow-Up Studies; Humans; Lung Neoplasms; Male; Middle Aged; Occupational Exposure; Smoking; Vitamin A | 1991 |
Lack of effect of chronic administration of oral beta-carotene on serum cholesterol and triglyceride concentrations.
Topics: Administration, Oral; beta Carotene; Carcinoma, Basal Cell; Carcinoma, Squamous Cell; Carotenoids; Cholesterol; Cholesterol, HDL; Humans; Lipids; Skin Neoplasms; Triglycerides; Vitamin A | 1991 |
Beta-carotene's effects on serum lipoproteins and immunologic indices in humans.
Topics: Adult; beta Carotene; Carotenoids; Female; Humans; Immunity; Leukocyte Count; Lipoproteins; Lutein; Lycopene; Lymphocyte Activation; Male; Middle Aged; Neoplasms; Vitamin A; Vitamin E | 1991 |
Vitamin and provitamin A levels in epithelial cancers: a preliminary study.
Topics: beta Carotene; Carcinoma; Carotenoids; Female; Humans; Male; Sex Factors; Vitamin A; Vitamin A Deficiency | 1990 |
The place of chemoprevention studies in cancer prevention planning.
Topics: beta Carotene; Biomarkers; Carotenoids; Clinical Trials as Topic; Folic Acid; Health Planning; Humans; Neoplasms; Nutritional Physiological Phenomena; Vitamin A | 1990 |
[Prevention of chronic esophageal diseases with vitamins].
Topics: Aged; beta Carotene; Carotenoids; Chronic Disease; Clinical Trials as Topic; Drug Therapy, Combination; Esophageal Neoplasms; Esophagitis; Humans; Male; Middle Aged; Placebos; Precancerous Conditions; Riboflavin; Vitamin A | 1989 |
Determinants of plasma levels of beta-carotene and retinol. Skin Cancer Prevention Study Group.
Topics: Adult; Aged; Aged, 80 and over; Antihypertensive Agents; beta Carotene; Carotenoids; Clinical Trials as Topic; Humans; Male; Middle Aged; Skin Neoplasms; Smoking; Vitamin A | 1989 |
Serum level changes after administration of a pharmacologic dose of beta-carotene.
Topics: Alcohol Drinking; beta Carotene; Carotenoids; Clinical Trials as Topic; Double-Blind Method; Humans; Lipids; Male; Middle Aged; Random Allocation; Smoking; Vitamin A | 1988 |
Nutritional and haematological status of Chinese farmers: the influence of 13.5 months treatment with riboflavin, retinol and zinc.
Topics: Adult; Agriculture; Ascorbic Acid; beta Carotene; Carotenoids; China; Cholesterol; Esophageal Diseases; Female; Hematocrit; Hemoglobins; Humans; Male; Middle Aged; Nutritional Status; Random Allocation; Riboflavin; Sex Factors; Time Factors; Vitamin A; Zinc | 1988 |
Chemoprevention of bladder cancer.
Topics: Animals; Ascorbic Acid; beta Carotene; Carotenoids; Clinical Trials as Topic; Disease Models, Animal; Drug Evaluation; Epidemiologic Methods; Female; Humans; Male; Mice; Rats; Selenium; United States; Urinary Bladder Neoplasms; Vitamin A; Vitamin E | 1987 |
Remission of oral leukoplakias and micronuclei in tobacco/betel quid chewers treated with beta-carotene and with beta-carotene plus vitamin A.
Topics: Areca; beta Carotene; Carotenoids; Female; Humans; Leukoplakia, Oral; Male; Nicotiana; Plants, Medicinal; Plants, Toxic; Time Factors; Tobacco, Smokeless; Vitamin A | 1988 |
Bioavailability of beta-carotene in humans.
Topics: Adult; beta Carotene; Biological Availability; Carotenoids; Dietary Fats; Female; Humans; Male; Vitamin A | 1988 |
Beta-carotene levels in exfoliated human mucosa cells following its oral administration.
Topics: Adult; beta Carotene; Capsules; Carotenoids; Cheek; Chromatography, High Pressure Liquid; Female; Humans; Male; Mouth Mucosa; Placebos; Smoking; Time Factors; Vitamin A | 1986 |
Use of the micronucleus test to monitor the effect of vitamin A, beta-carotene and canthaxanthin on the buccal mucosa of betel nut/tobacco chewers.
Topics: Adult; Areca; beta Carotene; Canthaxanthin; Carotenoids; Cell Nucleus; Cheek; Female; Humans; Male; Mouth Mucosa; Mouth Neoplasms; Mutagenicity Tests; Nicotiana; Plants, Medicinal; Plants, Toxic; Vitamin A | 1984 |
Vitamins A, E, and carotene: effects of supplementation on their plasma levels.
Topics: Adult; beta Carotene; Carotenoids; Diet; Diterpenes; Double-Blind Method; Female; Humans; Male; Middle Aged; Random Allocation; Retinyl Esters; Vitamin A; Vitamin E | 1983 |
Beta-Carotene, vitamin A, and lung cancer chemoprevention: results of an intermediate endpoint study.
Topics: Adult; Aged; Antioxidants; beta Carotene; Carotenoids; Double-Blind Method; Female; Humans; Lung Neoplasms; Male; Middle Aged; Vitamin A | 1995 |
Intestinal beta-carotene absorption and cleavage in men: response of beta-carotene and retinyl esters in the triglyceride-rich lipoprotein fraction after a single oral dose of beta-carotene.
Topics: Administration, Oral; Adult; beta Carotene; Carotenoids; Diterpenes; Humans; Intestinal Absorption; Intestinal Mucosa; Intestines; Lipoproteins; Male; Retinyl Esters; Triglycerides; Vitamin A | 1995 |
Effect of alcohol consumption on plasma carotenoid concentrations in premenopausal women: a controlled dietary study.
Topics: Adult; Alcohol Drinking; beta Carotene; Carotenoids; Cholesterol; Cross-Over Studies; Ethanol; Female; Humans; Lycopene; Menstrual Cycle; Premenopause; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1995 |
Lack of improvement in vitamin A status with increased consumption of dark-green leafy vegetables.
Topics: Anemia; Ascorbic Acid; beta Carotene; Breast Feeding; Carotenoids; Diet; Double-Blind Method; Energy Intake; Female; Folic Acid; Follow-Up Studies; Food, Fortified; Hemoglobins; Humans; Indonesia; Infant; Iron; Milk, Human; Nutritional Status; Vegetables; Vitamin A | 1995 |
Effect of antioxidant-rich foods on plasma ascorbic acid, cardiac enzyme, and lipid peroxide levels in patients hospitalized with acute myocardial infarction.
Topics: Analysis of Variance; Ascorbic Acid; beta Carotene; Carotenoids; Diet, Fat-Restricted; Dietary Fiber; Female; Free Radicals; Humans; L-Lactate Dehydrogenase; Lipid Peroxides; Male; Myocardial Infarction; Single-Blind Method; Vitamin A; Vitamin E; Vitamins | 1995 |
Changes in beta-carotene levels by long-term administration of natural beta-carotene derived from Dunaliella bardawil in humans.
Topics: Adult; beta Carotene; Biological Availability; Blood Platelets; Carotenoids; Chlorophyta; Erythrocytes; Humans; Leukocytes, Mononuclear; Male; Prealbumin; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Vitamin A; Vitamin E | 1994 |
beta-Carotene supplementation results in an increased serum and colonic mucosal concentration of beta-carotene and a decrease in alpha-tocopherol concentration in patients with colonic neoplasia.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Colon; Colonic Neoplasms; Colonic Polyps; Female; Follow-Up Studies; Humans; Intestinal Mucosa; Male; Middle Aged; Placebos; Single-Blind Method; Vitamin A; Vitamin E; Vitamin E Deficiency | 1994 |
Lack of effects of beta-carotene on lipids and sex steroid hormones in hyperlipidemics.
Topics: Adult; Analysis of Variance; beta Carotene; Carotenoids; Estradiol; Gonadal Steroid Hormones; Humans; Hyperlipidemias; Lipids; Male; Plant Oils; Testosterone; Triticum; Vitamin A | 1994 |
Effects of vitamin/mineral supplementation on the prevalence of histological dysplasia and early cancer of the esophagus and stomach: results from the General Population Trial in Linxian, China.
Topics: Adenocarcinoma; Adult; Aged; Ascorbic Acid; beta Carotene; Carotenoids; Cell Transformation, Neoplastic; China; Cross-Cultural Comparison; Cross-Sectional Studies; Double-Blind Method; Endoscopy, Gastrointestinal; Esophageal Neoplasms; Esophagus; Female; Gastric Mucosa; Humans; Incidence; Male; Middle Aged; Minerals; Molybdenum; Niacin; Precancerous Conditions; Riboflavin; Rural Population; Selenium; Stomach Neoplasms; Survival Rate; Vitamin A; Vitamin E; Vitamins; Zinc | 1994 |
Effects of vitamin/mineral supplementation on the prevalence of histological dysplasia and early cancer of the esophagus and stomach: results from the Dysplasia Trial in Linxian, China.
Topics: Adenocarcinoma; Adult; Aged; Ascorbic Acid; beta Carotene; Carotenoids; Cell Transformation, Neoplastic; Cross-Cultural Comparison; Double-Blind Method; Endoscopy, Gastrointestinal; Esophageal Neoplasms; Esophagus; Female; Follow-Up Studies; Gastric Mucosa; Humans; Male; Middle Aged; Minerals; Molybdenum; Niacin; Precancerous Conditions; Riboflavin; Rural Population; Selenium; Stomach Neoplasms; Survival Rate; Vitamin A; Vitamin E; Vitamins; Zinc | 1994 |
Intestinal absorption of dietary fat in patients with multiple sclerosis.
Topics: Adult; Aged; beta Carotene; Carotenoids; Dietary Fats; Double-Blind Method; Feces; Humans; Intestinal Absorption; Malabsorption Syndromes; Middle Aged; Multiple Sclerosis; Vitamin A | 1993 |
Prevention of esophageal cancer: the nutrition intervention trials in Linxian, China. Linxian Nutrition Intervention Trials Study Group.
Topics: Adult; Aged; Ascorbic Acid; beta Carotene; Biopsy; Carotenoids; China; Diet; Esophageal Neoplasms; Female; Humans; Male; Middle Aged; Niacin; Nutritional Physiological Phenomena; Odds Ratio; Precancerous Conditions; Riboflavin; Selenium; Stomach Neoplasms; Vitamin A; Vitamin E; Zinc | 1994 |
The beta-carotene and retinol efficacy trial (CARET) for chemoprevention of lung cancer in high risk populations: smokers and asbestos-exposed workers.
Topics: Aged; Anticarcinogenic Agents; Asbestos; beta Carotene; Carotenoids; Diterpenes; Female; Follow-Up Studies; Humans; Lung Neoplasms; Male; Middle Aged; Occupational Exposure; Pilot Projects; Retinyl Esters; Risk Factors; Smoking; United States; Vitamin A | 1994 |
A randomised controlled trial to test equivalence between retinyl palmitate and beta carotene for vitamin A deficiency.
Topics: Adolescent; beta Carotene; Carotenoids; Child; Child, Preschool; Diterpenes; Female; Humans; Male; Retina; Retinyl Esters; Therapeutic Equivalency; Vitamin A; Vitamin A Deficiency | 1993 |
Chemoprevention of oral leukoplakia and chronic esophagitis in an area of high incidence of oral and esophageal cancer.
Topics: Aged; beta Carotene; Carotenoids; Chronic Disease; Double-Blind Method; Esophageal Neoplasms; Esophagitis; Humans; Incidence; Leukoplakia, Oral; Male; Middle Aged; Mouth Neoplasms; Odds Ratio; Precancerous Conditions; Prevalence; Riboflavin; Risk Factors; Uzbekistan; Vitamin A; Vitamin E; Vitamins | 1993 |
Beta-carotene prevents x-ray induction of micronuclei in human lymphocytes.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; DNA; DNA Damage; Female; Humans; Lymphocytes; Micronuclei, Chromosome-Defective; Vitamin A; Vitamin E | 1994 |
Nasal cytology in southwest metropolitan Mexico City inhabitants: a pilot intervention study.
Topics: Adolescent; Adult; Atrophy; beta Carotene; Carotenoids; Humans; Male; Metaplasia; Mexico; Middle Aged; Models, Biological; Nasal Mucosa; Nose Diseases; Pilot Projects; Smog; Vitamin A; Vitamin E | 1993 |
Statistical design and monitoring of the Carotene and Retinol Efficacy Trial (CARET).
Topics: Aged; Anticarcinogenic Agents; Asbestos; beta Carotene; Carotenoids; Diterpenes; Double-Blind Method; Female; Humans; Lung Neoplasms; Male; Middle Aged; Research Design; Retinyl Esters; Risk Factors; Smoking; Vitamin A | 1993 |
Research cost analyses to aid in decision making in the conduct of a large prevention trial, CARET. Carotene and Retinol Efficacy Trial.
Topics: Anticarcinogenic Agents; Asbestos; beta Carotene; Carotenoids; Costs and Cost Analysis; Diterpenes; Double-Blind Method; Humans; Lung Neoplasms; Patient Compliance; Randomized Controlled Trials as Topic; Retinyl Esters; Risk Factors; Smoking; Time Factors; Vitamin A | 1993 |
Effect of beta-carotene on immunological indexes in healthy male smokers.
Topics: Adult; Antibodies, Monoclonal; beta Carotene; Carotenoids; Concanavalin A; Double-Blind Method; Humans; Leukocyte Count; Lymphocyte Activation; Lymphocyte Subsets; Male; Middle Aged; Phytohemagglutinins; Smoking; Vitamin A | 1993 |
Evaluation of chemoprevention of oral cancer with Spirulina fusiformis.
Topics: Adult; beta Carotene; Carotenoids; Cyanobacteria; Female; Food, Fortified; Humans; India; Leukoplakia, Oral; Male; Middle Aged; Mouth Neoplasms; Remission Induction; Vitamin A | 1995 |
Effect of beta-carotene supplementation on the concentrations and distribution of carotenoids, vitamin E, vitamin A, and cholesterol in plasma lipoprotein and non-lipoprotein fractions in healthy older women.
Topics: Aged; beta Carotene; Carotenoids; Cholesterol; Female; Humans; Lipoproteins; Lipoproteins, HDL; Lipoproteins, LDL; Lipoproteins, VLDL; Middle Aged; Vitamin A; Vitamin E | 1995 |
Effects of a combination of beta carotene and vitamin A on lung cancer and cardiovascular disease.
Topics: Aged; Antioxidants; Asbestos; beta Carotene; Cardiovascular Diseases; Carotenoids; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Mortality; Occupational Exposure; Risk; Smoking; Vitamin A | 1996 |
Usefulness of antioxidant vitamins in suspected acute myocardial infarction (the Indian experiment of infarct survival-3)
Topics: Adult; Antioxidants; Ascorbic Acid; Aspartate Aminotransferases; beta Carotene; Carotenoids; Creatine Kinase; Double-Blind Method; Drug Therapy, Combination; Electrocardiography; Female; Humans; L-Lactate Dehydrogenase; Lipid Peroxides; Male; Middle Aged; Myocardial Infarction; Oxidative Stress; Ventricular Function, Left; Vitamin A; Vitamin E; Vitamins | 1996 |
Bioavailability of a natural isomer mixture compared with synthetic all-trans beta-carotene in human serum.
Topics: Adult; Antioxidants; beta Carotene; Biological Availability; Carotenoids; Chlorophyta; Chromatography, High Pressure Liquid; Humans; Isomerism; Male; Vitamin A; Vitamin E | 1996 |
Beta carotene fails to prevent cancer in two major studies; CARET intervention stopped.
Topics: Asbestos; beta Carotene; Carotenoids; Food, Fortified; Humans; Male; Neoplasms; Smoking; Vitamin A | 1996 |
Reproducibility of erythrocyte polyamine measurements and correlation with plasma micronutrients in an antioxidant vitamin intervention study.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Erythrocytes; Female; Humans; Male; Middle Aged; Polyamines; Reference Values; Reproducibility of Results; Spectrometry, Fluorescence; Vitamin A; Vitamin E | 1996 |
Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy Trial.
Topics: Anticarcinogenic Agents; Antioxidants; Asbestos; beta Carotene; Carcinogens; Diterpenes; Double-Blind Method; Drug Therapy, Combination; Female; Humans; Lung Neoplasms; Male; Proportional Hazards Models; Retinyl Esters; Risk Factors; Smoking; Vitamin A | 1996 |
Red palm oil as a source of beta-carotene for combating vitamin A deficiency.
Topics: beta Carotene; Child; Dose-Response Relationship, Drug; Female; Food, Fortified; Humans; India; Male; Palm Oil; Plant Oils; Serum Albumin; Time Factors; Vitamin A; Vitamin A Deficiency | 1996 |
beta-Carotene in breast milk and serum is increased after a single beta-carotene dose.
Topics: Adult; Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Lactation; Milk, Human; Vitamin A; Vitamin E | 1997 |
Olestra affects serum concentrations of alpha-tocopherol and carotenoids but not vitamin D or vitamin K status in free-living subjects.
Topics: Adult; beta Carotene; Carotenoids; Cholesterol; Dietary Fats, Unsaturated; Double-Blind Method; Fat Substitutes; Fatty Acids; Female; Humans; Lutein; Lycopene; Male; Middle Aged; Nutritional Status; Prothrombin Time; Sucrose; Vitamin A; Vitamin D; Vitamin E; Vitamin K; Xanthophylls; Zeaxanthins | 1997 |
Plasma and serum micronutrient concentrations in preschool children.
Topics: Antioxidants; Australia; beta Carotene; Child, Preschool; Confidence Intervals; Female; Humans; Infant; Male; Micronutrients; Nutrition Surveys; Prealbumin; Reference Values; Registries; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Vitamin A; Vitamin E; Zinc | 1997 |
Effects of 4 y of oral supplementation with beta-carotene on serum concentrations of retinol, tocopherol, and five carotenoids.
Topics: Adult; Aged; beta Carotene; Carotenoids; Female; Humans; Male; Middle Aged; Placebos; Vitamin A; Vitamin E | 1997 |
Immunomodulatory effect of beta-carotene on T lymphocyte subsets in patients with resected colonic polyps and cancer.
Topics: Adult; Antioxidants; beta Carotene; Cohort Studies; Colonic Neoplasms; Colonic Polyps; Female; Flow Cytometry; Humans; Male; Middle Aged; Reference Values; T-Lymphocyte Subsets; Time Factors; Tretinoin; Vitamin A; Vitamin E | 1997 |
Chemoprevention of oral leukoplakia with vitamin A and beta carotene: an assessment.
Topics: Adult; Anticarcinogenic Agents; beta Carotene; Diterpenes; Double-Blind Method; Female; Humans; Leukoplakia, Oral; Male; Micronutrients; Middle Aged; Mouth Neoplasms; Mutagenicity Tests; Retinyl Esters; Treatment Outcome; Vitamin A | 1997 |
The possible significance of parallel changes in plasma lutein and retinol in Pakistani infants during the summer season.
Topics: beta Carotene; Biomarkers; Breast Feeding; Carotenoids; Developing Countries; Female; Humans; Infant; Iron; Lutein; Male; Nutritional Status; Pakistan; Seasons; Vegetables; Vitamin A | 1997 |
Vitamin A and cancer prevention II: comparison of the effects of retinol and beta-carotene.
Topics: Adult; Aged; Aged, 80 and over; Anticarcinogenic Agents; Asbestos, Crocidolite; beta Carotene; Female; Humans; Incidence; Lung Neoplasms; Male; Mesothelioma; Middle Aged; Myocardial Ischemia; Occupational Exposure; Patient Compliance; Risk Factors; Smoking; Vitamin A | 1998 |
Kinetics of the response of milk and serum beta-carotene to daily beta-carotene supplementation in healthy, lactating women.
Topics: Adult; Anthropometry; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Lactation; Milk, Human; Vitamin A; Vitamin E | 1998 |
Plasma concentrations of micronutrients during a nine-month clinical trial of beta-carotene in women with precursor cervical cancer lesions.
Topics: Adult; beta Carotene; Blotting, Southern; Carotenoids; Contraceptives, Oral, Hormonal; DNA, Viral; Female; Humans; Lycopene; Papillomaviridae; Placebos; Polymerase Chain Reaction; Precancerous Conditions; Smoking; Uterine Cervical Neoplasms; Vitamin A; Vitamin E | 1998 |
Effect of supplementation with beta-carotene and vitamin A on lung nutrient levels.
Topics: Aged; Anticarcinogenic Agents; Asbestosis; beta Carotene; Bronchoalveolar Lavage Fluid; Bronchoscopy; Carotenoids; Diterpenes; Double-Blind Method; Humans; Lung; Lung Neoplasms; Male; Middle Aged; Retinyl Esters; Risk Factors; Smoking; Vitamin A | 1998 |
Intestinal absorption of beta-carotene, lycopene and lutein in men and women following a standard meal: response curves in the triacylglycerol-rich lipoprotein fraction.
Topics: Adult; Antioxidants; Area Under Curve; beta Carotene; Carotenoids; Female; Humans; Intestinal Absorption; Lutein; Lycopene; Male; Postprandial Period; Triglycerides; Vitamin A | 1998 |
Effects of long-term oral beta-carotene supplementation on lipid peroxidation in patients with cystic fibrosis.
Topics: Adolescent; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Child; Cystic Fibrosis; Humans; Lipid Peroxidation; Lycopene; Malondialdehyde; Vitamin A; Vitamin E | 1998 |
Strategies for recruitment to a population-based lung cancer prevention trial: the CARET experience with heavy smokers. Beta-Carotene and Retinol Efficacy Trial.
Topics: Aged; beta Carotene; California; Female; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Oregon; Patient Selection; Pilot Projects; Random Allocation; Smoking; Vitamin A; Washington | 1998 |
Effects of supplementation with a combination of antioxidant vitamins and trace elements, at nutritional doses, on biochemical indicators and markers of the antioxidant system in adult subjects.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; Double-Blind Method; Female; Glutathione Peroxidase; Humans; Male; Middle Aged; Selenium; Trace Elements; Vitamin A; Vitamin E; Vitamins; Zinc | 1998 |
Serum vitamin A and beta-carotene levels in children with giardiasis before and after treatment.
Topics: Antiprotozoal Agents; beta Carotene; Child; Chronic Disease; Female; Giardiasis; Humans; Male; Metronidazole; Treatment Outcome; Vitamin A | 1998 |
Vitamin A or beta-carotene supplementation reduces but does not eliminate maternal night blindness in Nepal.
Topics: beta Carotene; Dietary Supplements; Feeding Behavior; Female; Humans; Incidence; Nepal; Night Blindness; Postpartum Period; Pregnancy; Socioeconomic Factors; Vitamin A | 1998 |
Serum retinol concentrations in children are affected by food sources of beta-carotene, fat intake, and anthelmintic drug treatment.
Topics: Animals; Antinematodal Agents; Ascariasis; Ascaris lumbricoides; beta Carotene; Child, Preschool; Confounding Factors, Epidemiologic; Diet; Dietary Fats; Humans; Levamisole; Parasite Egg Count; Vitamin A | 1998 |
Effect of supplemental beta-carotene on plasma concentrations of carotenoids, retinol, and alpha-tocopherol in humans.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Dietary Supplements; Dose-Response Relationship, Drug; Double-Blind Method; Female; Humans; Male; Middle Aged; Neoplasm Recurrence, Local; Vitamin A; Vitamin E | 1998 |
Effects of vitamin E and C supplementation on oxidative stress and viral load in HIV-infected subjects.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; Dietary Supplements; Double-Blind Method; HIV Infections; Humans; Lipid Peroxidation; Oxidative Stress; Selenium; Viral Load; Vitamin A; Vitamin E; Zinc | 1998 |
Orange fruit is more effective than are dark-green, leafy vegetables in increasing serum concentrations of retinol and beta-carotene in schoolchildren in Indonesia.
Topics: Anthropometry; beta Carotene; Biological Availability; Child; Diet; Feces; Female; Fruit; Humans; Indonesia; Male; Nutritive Value; Vegetables; Vitamin A | 1998 |
Effect of oral beta-carotene supplementation on plasma human immunodeficiency virus (HIV) RNA levels and CD4+ cell counts in HIV-infected patients.
Topics: Administration, Oral; Antioxidants; beta Carotene; CD4 Lymphocyte Count; Dietary Supplements; HIV Infections; HIV-1; Humans; Pilot Projects; RNA, Viral; Viral Load; Vitamin A | 1998 |
Maternal vitamin A or beta-carotene supplementation in lactating bangladeshi women benefits mothers and infants but does not prevent subclinical deficiency.
Topics: Adult; Bangladesh; beta Carotene; Dietary Supplements; Double-Blind Method; Female; Humans; Infant; Lactation; Male; Milk, Human; Nutritional Status; Patient Compliance; Placebos; Postpartum Period; Vitamin A | 1999 |
Double blind, cluster randomised trial of low dose supplementation with vitamin A or beta carotene on mortality related to pregnancy in Nepal. The NNIPS-2 Study Group.
Topics: Administration, Oral; Adult; beta Carotene; Cause of Death; Cluster Analysis; Dietary Supplements; Double-Blind Method; Female; Humans; Maternal Mortality; Nepal; Pregnancy; Pregnancy Complications; Rural Health; Vitamin A | 1999 |
Effect of long-term beta-carotene and vitamin A on serum cholesterol and triglyceride levels among participants in the Carotene and Retinol Efficacy Trial (CARET)
Topics: Adult; Antioxidants; Arteriosclerosis; beta Carotene; Cholesterol; Drug Administration Schedule; Female; Follow-Up Studies; Humans; Lipoproteins, HDL; Male; Middle Aged; Reference Values; Sampling Studies; Time Factors; Triglycerides; Vitamin A | 1999 |
Breast milk immune factors in Bangladeshi women supplemented postpartum with retinol or beta-carotene.
Topics: Bangladesh; beta Carotene; Capsules; Dietary Supplements; Double-Blind Method; Female; Humans; Immunoglobulin A, Secretory; Interleukin-8; Lactoferrin; Milk, Human; Muramidase; Postpartum Period; Time Factors; Vitamin A | 1999 |
Serum levels of beta-carotene, alpha-carotene, and vitamin A in patients with amyotrophic lateral sclerosis.
Topics: Adult; Aged; Amyotrophic Lateral Sclerosis; Antioxidants; beta Carotene; Carotenoids; Case-Control Studies; Chromatography, High Pressure Liquid; Female; Humans; Male; Middle Aged; Risk Factors; Vitamin A | 1999 |
Serum levels of beta-carotene, alpha-carotene and vitamin A in patients with Alzheimer's disease.
Topics: Aged; Alzheimer Disease; Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Male; Reference Values; Risk Factors; Vitamin A | 1999 |
Randomized trial testing the effect of vitamin A supplementation on pregnancy outcomes and early mother-to-child HIV-1 transmission in Durban, South Africa. South African Vitamin A Study Group.
Topics: Adult; beta Carotene; Dietary Supplements; Diterpenes; Double-Blind Method; Female; HIV Infections; HIV-1; Humans; Infant; Infant Mortality; Infant, Newborn; Infant, Premature; Infectious Disease Transmission, Vertical; Male; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Outcome; Pregnancy Trimester, Third; Retinyl Esters; South Africa; Vitamin A | 1999 |
Retinol, vitamin D, carotenes and alpha-tocopherol in serum of a moderately hypercholesterolemic population consuming sitostanol ester margarine.
Topics: Adult; Anticholesteremic Agents; beta Carotene; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Dietary Fats; Double-Blind Method; Humans; Hypercholesterolemia; Intestinal Absorption; Margarine; Middle Aged; Sitosterols; Vitamin A; Vitamin D; Vitamin E | 1999 |
Effect of long-term beta-carotene and vitamin A on serum cholesterol and triglyceride levels among participants in the Carotene and Retinol Efficacy Trial (CARET)
Topics: beta Carotene; Cardiovascular Diseases; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Chromatography, High Pressure Liquid; Female; Follow-Up Studies; Humans; Lung Neoplasms; Male; Middle Aged; Survival Rate; Treatment Outcome; Triglycerides; Vitamin A | 1999 |
Effects of reduced-fat diets consumed ad libitum on intake of nutrients, particularly antioxidant vitamins.
Topics: beta Carotene; Body Mass Index; Body Weight; Chromatography, High Pressure Liquid; Diet, Fat-Restricted; Energy Intake; Feeding Behavior; Female; Glucose Tolerance Test; Humans; Male; Middle Aged; Vitamin A; Vitamin E; Vitamins | 1999 |
Cholesterol-lowering effect of stanol ester in a US population of mildly hypercholesterolemic men and women: a randomized controlled trial.
Topics: Adult; Anticholesteremic Agents; beta Carotene; Cholestanols; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Dietary Fats; Dose-Response Relationship, Drug; Double-Blind Method; Esters; Female; Humans; Hypercholesterolemia; Male; Middle Aged; Phytosterols; Sitosterols; Treatment Outcome; Triglycerides; United States; Vitamin A; Vitamin D | 1999 |
Plant sources of vitamin A and human nutriture: how much is still too little?
Topics: Anthelmintics; beta Carotene; Child Nutrition Disorders; Child, Preschool; Diet; Ghana; Humans; Nutritional Status; Public Policy; Vegetables; Vitamin A; Vitamin A Deficiency | 1999 |
Modulation of fat-soluble vitamin concentrations and blood mononuclear leukocyte populations in milk replacer-fed calves by dietary vitamin A and beta-carotene.
Topics: Animals; Animals, Newborn; B-Lymphocytes; beta Carotene; Cattle; CD2 Antigens; CD4 Lymphocyte Count; CD8-Positive T-Lymphocytes; Diet; Food, Formulated; Leukocytes, Mononuclear; Lymphocyte Count; Male; Receptors, Interleukin-2; Vitamin A; Vitamin E; Vitamins | 1999 |
Effects of multivitamin/mineral supplementation, at nutritional doses, on plasma antioxidant status and DNA damage estimated by sister chromatid exchanges in lymphocytes in pregnant women.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; DNA Damage; Female; Folic Acid; Gestational Age; Humans; Lymphocytes; Minerals; Pregnancy; Prospective Studies; Reactive Oxygen Species; Sister Chromatid Exchange; Ubiquinone; Vitamin A; Vitamins; Zinc | 1999 |
The effect of copper supplementation on red blood cell oxidizability and plasma antioxidants in middle-aged healthy volunteers.
Topics: Aged; Amidines; Antioxidants; beta Carotene; Carotenoids; Copper Sulfate; Dietary Supplements; Double-Blind Method; Erythrocytes; Europe; Female; Hemoglobins; Humans; Lutein; Lycopene; Male; Middle Aged; Oxidants; Oxidation-Reduction; Sex Characteristics; Superoxide Dismutase; Vitamin A; Vitamin E; Vitamins | 2000 |
Impact of diets with corn oil or olive/sunflower oils on DNA damage in healthy young men.
Topics: Adult; Ascorbic Acid; beta Carotene; Cholesterol; Corn Oil; Cross-Over Studies; Dietary Fats, Unsaturated; DNA Damage; DNA Fragmentation; Double-Blind Method; Humans; Male; Olive Oil; Plant Oils; Sister Chromatid Exchange; Sunflower Oil; Vitamin A; Vitamin E | 1999 |
Intestinal absorption of beta-carotene ingested with a meal rich in sunflower oil or beef tallow: postprandial appearance in triacylglycerol-rich lipoproteins in women.
Topics: Adult; Animals; beta Carotene; Cattle; Chylomicrons; Dietary Fats; Diterpenes; Fats; Fatty Acids; Female; Humans; Intestinal Absorption; Lipoproteins; Lipoproteins, LDL; Lipoproteins, VLDL; Plant Oils; Postprandial Period; Retinyl Esters; Sunflower Oil; Triglycerides; Ultracentrifugation; Vitamin A | 2000 |
Maternal low-dose vitamin A or beta-carotene supplementation has no effect on fetal loss and early infant mortality: a randomized cluster trial in Nepal.
Topics: Adult; beta Carotene; Diet; Dietary Supplements; Female; Fetal Death; Humans; Infant Mortality; Infant, Newborn; Nepal; Parity; Placebos; Pregnancy; Pregnancy Outcome; Social Class; Vitamin A | 2000 |
Randomized controlled trial assessing the effect of vitamin A supplementation on maternal morbidity during pregnancy and postpartum among HIV-infected women.
Topics: Adult; beta Carotene; Diterpenes; Double-Blind Method; Female; HIV Seropositivity; Humans; Morbidity; Multivariate Analysis; Postpartum Period; Pregnancy; Pregnancy Complications, Infectious; Retinyl Esters; South Africa; Vitamin A | 2000 |
Night blindness during pregnancy and subsequent mortality among women in Nepal: effects of vitamin A and beta-carotene supplementation.
Topics: Adolescent; Adult; beta Carotene; Dietary Supplements; Double-Blind Method; Female; Follow-Up Studies; Humans; Maternal Mortality; Middle Aged; Nepal; Night Blindness; Placebos; Pregnancy; Pregnancy Complications; Survival Analysis; Vitamin A; Vitamin A Deficiency | 2000 |
Responsiveness of dark-adaptation threshold to vitamin A and beta-carotene supplementation in pregnant and lactating women in Nepal.
Topics: Adolescent; Adult; Anthropometry; beta Carotene; Chromatography, High Pressure Liquid; Dark Adaptation; Dietary Supplements; Female; Gestational Age; Humans; Interviews as Topic; Lactation; Linear Models; Middle Aged; Nepal; Night Blindness; Nutritional Status; Pregnancy; Pregnancy Complications; Regression Analysis; Rural Population; Vitamin A; Vitamin A Deficiency | 2000 |
Vitamin A or beta-carotene supplementation reduces symptoms of illness in pregnant and lactating Nepali women.
Topics: Adult; beta Carotene; Cluster Analysis; Double-Blind Method; Female; Gestational Age; Humans; Labor, Obstetric; Lactation; Nausea; Nepal; Parity; Pregnancy; Pregnancy Complications; Prevalence; Puerperal Disorders; Vitamin A | 2000 |
Low cleavage activity of 15,15'dioxygenase to convert beta-carotene to retinal in cattle compared with goats, is associated with the yellow pigmentation of adipose tissue.
Topics: Adipose Tissue; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Cattle; Feces; Female; Goats; Intestinal Absorption; Intestines; Liver; Oxygenases; Pigmentation; Retinaldehyde; Time Factors; Vitamin A | 2000 |
Clinical modulation of oral leukoplakia and protease activity by Bowman-Birk inhibitor concentrate in a phase IIa chemoprevention trial.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Dose-Response Relationship, Drug; Endopeptidases; Female; Humans; Leukoplakia; Male; Middle Aged; Mouth Mucosa; Mouth Neoplasms; Protease Inhibitors; Treatment Outcome; Trypsin Inhibitor, Bowman-Birk Soybean; Trypsin Inhibitors; Vitamin A; Vitamin E | 2000 |
Red palm oil as a source of beta-carotene in a school biscuit used to address vitamin A deficiency in primary school children.
Topics: beta Carotene; Child; Child, Preschool; Confounding Factors, Epidemiologic; Female; Food, Fortified; Humans; Male; Nutrition Policy; Patient Compliance; Plant Oils; Treatment Outcome; Vitamin A; Vitamin A Deficiency | 2000 |
Agreement between a brief food frequency questionnaire and diet records using two statistical methods.
Topics: Adult; Aged; Australia; beta Carotene; Cross-Sectional Studies; Diet Records; Female; Humans; Male; Middle Aged; Reproducibility of Results; Statistics as Topic; Surveys and Questionnaires; Vitamin A | 2001 |
Increase in serum beta-carotene following dark green leafy vegetable supplementation in Mebendazole-treated school children in Bangladesh.
Topics: Animals; Antinematodal Agents; Ascariasis; Ascaris lumbricoides; Bangladesh; beta Carotene; Biological Availability; Child; Cucurbitaceae; Feces; Female; Growth; Humans; Male; Mebendazole; Vegetables; Vitamin A | 2001 |
Red palm oil in the maternal diet increases provitamin A carotenoids in breastmilk and serum of the mother-infant dyad.
Topics: Adolescent; Adult; Antioxidants; beta Carotene; Carotenoids; Child, Preschool; Diet Records; Dietary Supplements; Female; Honduras; Humans; Infant; Lactation; Lutein; Lycopene; Milk, Human; Nutritional Physiological Phenomena; Nutritional Status; Palm Oil; Plant Oils; Vitamin A; Vitamin A Deficiency | 2001 |
Bioefficacy of beta-carotene dissolved in oil studied in children in Indonesia.
Topics: beta Carotene; Biotransformation; Capsules; Carbon Isotopes; Chemistry, Pharmaceutical; Child; Chromatography, Liquid; Diterpenes; Feces; Female; Humans; Indonesia; Male; Mass Spectrometry; Retinyl Esters; Rural Population; Vitamin A | 2001 |
Supplementing lactating women with puréed papaya and grated carrots improved vitamin A status in a placebo-controlled trial.
Topics: Adult; Analysis of Variance; beta Carotene; Body Mass Index; Daucus carota; Female; Humans; Lactation; Vegetables; Vitamin A; Vitamin A Deficiency; Zimbabwe | 2001 |
Circulating levels of retinol, tocopherol and carotenoid in Nepali pregnant and postpartum women following long-term beta-carotene and vitamin A supplementation.
Topics: Adult; beta Carotene; Carotenoids; Dietary Supplements; Female; Humans; Nepal; Postpartum Period; Pregnancy; Rural Population; Vitamin A; Vitamin E | 2001 |
Oral supplements of vitamin E improve measures of oxidative stress in plasma and reduce oxidative damage to LDL and erythrocytes in beta-thalassemia intermedia patients.
Topics: Administration, Oral; Adolescent; Adult; Antioxidants; beta Carotene; beta-Thalassemia; Case-Control Studies; Child; Erythrocytes; Female; Humans; Lipids; Lipoproteins, LDL; Male; Middle Aged; Osmolar Concentration; Oxidative Stress; Reference Values; Vitamin A; Vitamin E | 2001 |
Zinc supplementation might potentiate the effect of vitamin A in restoring night vision in pregnant Nepalese women.
Topics: Adult; beta Carotene; Double-Blind Method; Drug Synergism; Female; Humans; Nepal; Night Blindness; Pregnancy; Pregnancy Complications; Reflex, Pupillary; Regression Analysis; Treatment Outcome; Vitamin A; Vitamin A Deficiency; Zinc | 2001 |
HIV and other predictors of serum beta-carotene and retinol in pregnancy: a cross-sectional study in Zimbabwe.
Topics: Acute-Phase Reaction; Adolescent; Adult; alpha 1-Antichymotrypsin; Antioxidants; beta Carotene; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Female; Gestational Age; HIV Infections; Humans; Linear Models; Parity; Pregnancy; Pregnancy Complications, Infectious; Seasons; Serine Proteinase Inhibitors; Vitamin A; Zimbabwe | 2001 |
The effect of antenatal vitamin A and beta-carotene supplementation on gut integrity of infants of HIV-infected South African women.
Topics: Adult; beta Carotene; Cell Membrane Permeability; Dietary Supplements; Double-Blind Method; Female; HIV Infections; Humans; Infant; Infant, Newborn; Intestinal Mucosa; Lactulose; Mannitol; Nutritional Status; Postpartum Period; Pregnancy; Pregnancy Complications, Infectious; Prenatal Care; South Africa; Vitamin A | 2001 |
The effect of a biscuit with red palm oil as a source of beta-carotene on the vitamin A status of primary school children: a comparison with beta-carotene from a synthetic source in a randomised controlled trial.
Topics: Anthropometry; beta Carotene; Bread; Child; Child, Preschool; Food, Fortified; Humans; Male; Nutritional Status; Palm Oil; Plant Oils; Rural Health; Schools; South Africa; Vitamin A; Vitamin A Deficiency | 2001 |
Twinning rates and survival of twins in rural Nepal.
Topics: Adult; beta Carotene; Cohort Studies; Dietary Supplements; Female; Fetal Death; Humans; Infant Mortality; Infant, Newborn; Nepal; Parity; Pregnancy; Pregnancy Outcome; Pregnancy, Multiple; Twins; Vitamin A | 2001 |
Comparison of the effects of supplemental red palm oil and sunflower oil on maternal vitamin A status.
Topics: Adult; Anthropometry; beta Carotene; Carotenoids; Case-Control Studies; Chromatography, High Pressure Liquid; Female; Hemoglobins; Humans; Lactation; Milk, Human; Nutritional Status; Palm Oil; Plant Oils; Pregnancy; Sunflower Oil; Tanzania; Vitamin A | 2001 |
Bioavailability and antioxidant activity of some food supplements in men and women using the D-Roms test as a marker of oxidative stress.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Biological Availability; Coenzymes; Cross-Over Studies; Cysteine; Dietary Supplements; Female; Flavonoids; Free Radicals; Humans; Hydrogen Peroxide; Male; Middle Aged; Oxidative Stress; Pyridoxine; Reactive Oxygen Species; Selenium; Spectrophotometry; Tocopherols; Ubiquinone; Vitamin A; Vitamin E; Zinc | 2001 |
Impact of vitamin A supplementation through different dosages of red palm oil and retinol palmitate on preschool children.
Topics: alpha-Tocopherol; Antioxidants; beta Carotene; Dietary Supplements; Diterpenes; Female; Humans; Infant; Male; Plant Oils; Retinyl Esters; Treatment Outcome; Vitamin A; Vitamin A Deficiency | 2002 |
[Plasma anti-oxidants and rheumatoid arthritis].
Topics: Antioxidants; Arthritis, Rheumatoid; beta Carotene; Chlorophyta; Dietary Supplements; Female; Hand Strength; Humans; Male; Middle Aged; Phytotherapy; Reference Values; Reproducibility of Results; Vitamin A; Vitamin E | 2002 |
Plasma beta-carotene and retinol concentrations of children increase after a 30-d supplementation with the fruit Momordica cochinchinensis (gac).
Topics: Anthropometry; beta Carotene; Carotenoids; Child, Preschool; Diet; Dietary Supplements; Fruit; Hemoglobins; Humans; Oryza; Osmolar Concentration; Powders; Time Factors; Tocopherols; Vitamin A | 2002 |
No changes in serum fat-soluble vitamin and carotenoid concentrations with the intake of plant sterol/stanol esters in the context of a controlled diet.
Topics: Adult; alpha-Tocopherol; beta Carotene; Carotenoids; Cross-Over Studies; Cryptoxanthins; Diet; Double-Blind Method; gamma-Tocopherol; Humans; Hypercholesterolemia; Lutein; Male; Margarine; Middle Aged; Patient Compliance; Phytosterols; Placebos; Sitosterols; Solubility; Vitamin A; Vitamin K; Vitamins; Xanthophylls | 2002 |
Dietary and serum alpha-tocopherol, beta-carotene and retinol, and risk for colorectal cancer in male smokers.
Topics: Aged; alpha-Tocopherol; Anticarcinogenic Agents; Antioxidants; beta Carotene; Cohort Studies; Colorectal Neoplasms; Dietary Supplements; Double-Blind Method; Humans; Male; Middle Aged; Proportional Hazards Models; Prospective Studies; Risk Factors; Smoking; Vitamin A | 2002 |
Carotenoid composition of human milk during the first month postpartum and the response to beta-carotene supplementation.
Topics: Adult; alpha-Tocopherol; beta Carotene; Body Mass Index; Carotenoids; Chromatography, High Pressure Liquid; Dietary Supplements; Energy Intake; Female; Humans; Lipids; Lutein; Milk, Human; Placebos; Postpartum Period; Vitamin A; Vitamin E | 2002 |
Determinants of maternal vitamin A or beta-carotene supplementation coverage: village-based female distributors in Nepal.
Topics: Adolescent; Adult; beta Carotene; Community Health Workers; Dietary Supplements; Employment; Family Characteristics; Female; Humans; Infant; Infant Welfare; Logistic Models; Maternal Welfare; Nepal; Social Class; Vitamin A | 2002 |
Effect of an organized lipid matrix on lipid absorption and clinical outcomes in patients with cystic fibrosis.
Topics: Adolescent; Adult; Anthropometry; Area Under Curve; beta Carotene; Canada; Child; Child Welfare; Cystic Fibrosis; Dietary Fats; Diterpenes; Double-Blind Method; Eicosanoids; Energy Intake; Fatty Acids; Female; Follow-Up Studies; Forced Expiratory Volume; Humans; Intestinal Absorption; Liver; Male; Malondialdehyde; Patient Compliance; Retinol-Binding Proteins; Retinyl Esters; Time Factors; Treatment Outcome; Triglycerides; Vitamin A; Vitamins | 2002 |
Plasma concentration response to drinks containing beta-carotene as carrot juice or formulated as a water dispersible powder.
Topics: Adult; Antioxidants; beta Carotene; Beverages; Biological Availability; Daucus carota; Dose-Response Relationship, Drug; Half-Life; Humans; Intestinal Absorption; Male; Metabolic Clearance Rate; Powders; Tocopherols; Vitamin A | 2002 |
Serum insulin-like growth factor (IGF) and IGF-binding protein levels and risk of lung cancer: a case-control study nested in the beta-Carotene and Retinol Efficacy Trial Cohort.
Topics: Aged; Antioxidants; beta Carotene; Biomarkers, Tumor; Case-Control Studies; Double-Blind Method; Female; Humans; Insulin-Like Growth Factor Binding Protein 3; Insulin-Like Growth Factor I; Lung Neoplasms; Male; Middle Aged; Odds Ratio; Prevalence; Risk Factors; Smoking; Statistics as Topic; Treatment Outcome; United States; Vitamin A | 2002 |
A randomized, 4-month mango and fat supplementation trial improved vitamin A status among young Gambian children.
Topics: beta Carotene; Child; Child, Preschool; Dietary Fats; Fruit; Gambia; Humans; Placebos; Vitamin A; Vitamin A Deficiency | 2002 |
Analysis of oxidative DNA damage after human dietary supplementation with linoleic acid.
Topics: Adult; alpha-Tocopherol; Analysis of Variance; Antioxidants; beta Carotene; Dietary Supplements; DNA Damage; Dose-Response Relationship, Drug; Female; Humans; Linoleic Acid; Lipid Peroxidation; Lymphocytes; Malondialdehyde; Oxidation-Reduction; Palmitic Acid; Reactive Oxygen Species; Vitamin A | 2003 |
Redistribution of vitamin A after iron supplementation in Indonesian infants.
Topics: Antioxidants; beta Carotene; Dietary Supplements; Dose-Response Relationship, Drug; Double-Blind Method; Female; Humans; Indonesia; Infant; Infant Nutritional Physiological Phenomena; Iron; Iron Deficiencies; Liver; Male; Nutritional Status; Placebos; Tissue Distribution; Vitamin A; Vitamin A Deficiency; Zinc | 2003 |
Fruits and vegetables are associated with lower lung cancer risk only in the placebo arm of the beta-carotene and retinol efficacy trial (CARET).
Topics: Aged; Anticarcinogenic Agents; Antioxidants; Ascorbic Acid; beta Carotene; Carcinoma, Small Cell; Double-Blind Method; Feeding Behavior; Female; Follow-Up Studies; Fruit; Humans; Lung Neoplasms; Male; Middle Aged; Placebos; Risk Factors; Statistics as Topic; Treatment Outcome; Vegetables; Vitamin A | 2003 |
The association between lung and prostate cancer risk, and serum micronutrients: results and lessons learned from beta-carotene and retinol efficacy trial.
Topics: Aged; alpha-Tocopherol; Antioxidants; beta Carotene; Biomarkers, Tumor; Carotenoids; Case-Control Studies; Double-Blind Method; Female; gamma-Tocopherol; Humans; Lung Neoplasms; Male; Micronutrients; Middle Aged; Prospective Studies; Prostatic Neoplasms; Risk Factors; Smoking; Statistics as Topic; Treatment Outcome; Vitamin A | 2003 |
Short-term (intestinal) and long-term (postintestinal) conversion of beta-carotene to retinol in adults as assessed by a stable-isotope reference method.
Topics: Adult; Aged; Area Under Curve; beta Carotene; Diterpenes; Female; Humans; Intestinal Absorption; Intestinal Mucosa; Isotope Labeling; Isotopes; Male; Mass Spectrometry; Middle Aged; Nutritional Status; Nutritive Value; Retinyl Esters; Vitamin A | 2003 |
Effect of a standardized grape seed extract on low-density lipoprotein susceptibility to oxidation in heavy smokers.
Topics: Antioxidants; beta Carotene; Biflavonoids; Carotenoids; Catechin; Cholesterol, HDL; Cholesterol, LDL; Cross-Over Studies; Double-Blind Method; Humans; Lycopene; Male; Middle Aged; Oxidation-Reduction; Oxidative Stress; Plant Extracts; Proanthocyanidins; Smoking; Time Factors; Tocopherols; Treatment Outcome; Triglycerides; Vitamin A; Vitis | 2003 |
Antioxidant vitamins and mortality in older persons: findings from the nutrition add-on study to the Medical Research Council Trial of Assessment and Management of Older People in the Community.
Topics: Aged; Aged, 80 and over; Aging; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Cardiovascular Diseases; Diet; Diet Records; Dietary Supplements; Female; Humans; Male; Mortality; Nutrition Assessment; Nutritional Physiological Phenomena; Proportional Hazards Models; Risk Factors; Surveys and Questionnaires; Vitamin A; Vitamins | 2003 |
Cigarette smoking during pregnancy in rural Nepal. Risk factors and effects of beta-carotene and vitamin A supplementation.
Topics: Adult; beta Carotene; Female; Humans; Maternal Mortality; Maternal Nutritional Physiological Phenomena; Nepal; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Risk Factors; Rural Health; Smoking; Socioeconomic Factors; Surveys and Questionnaires; Vitamin A | 2004 |
Oxidative stress status in an institutionalised elderly group after the intake of a phenolic-rich dessert.
Topics: Aged; Aged, 80 and over; Aging; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Supplements; DNA Damage; Energy Metabolism; Female; Fruit; Humans; Male; Oxidative Stress; Phenols; Vitamin A | 2004 |
No effect of beta-carotene supplementation on risk of nonmelanoma skin cancer among men with low baseline plasma beta-carotene.
Topics: Adult; Aged; Aged, 80 and over; Antioxidants; beta Carotene; Carcinoma, Basal Cell; Case-Control Studies; Dietary Supplements; Humans; Male; Middle Aged; Neoplasms, Squamous Cell; Oxidative Stress; Risk Factors; Skin Neoplasms; Tocopherols; Vitamin A; Vitamin E | 2004 |
Both free and esterified plant sterols reduce cholesterol absorption and the bioavailability of beta-carotene and alpha-tocopherol in normocholesterolemic humans.
Topics: Adult; alpha-Tocopherol; Antioxidants; Area Under Curve; beta Carotene; Biological Availability; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Cross-Over Studies; Diterpenes; Double-Blind Method; Esters; Humans; Intestinal Absorption; Male; Phytosterols; Retinyl Esters; Vitamin A | 2004 |
Natural beta-carotene for the prevention of post-ERCP pancreatitis.
Topics: Acute Disease; Adult; Aged; Aged, 80 and over; Amylases; Antioxidants; beta Carotene; Biomarkers; Cholangiopancreatography, Endoscopic Retrograde; Double-Blind Method; Female; Humans; Incidence; Length of Stay; Lipid Peroxidation; Male; Middle Aged; Oxidative Stress; Pancreatitis; Phagocytosis; Premedication; Risk Factors; Severity of Illness Index; Treatment Failure; Vitamin A; Vitamin E | 2004 |
Daily consumption of Indian spinach (Basella alba) or sweet potatoes has a positive effect on total-body vitamin A stores in Bangladeshi men.
Topics: Adolescent; Adult; Antioxidants; Bangladesh; beta Carotene; Biological Availability; Deuterium; Dietary Supplements; Humans; Indicator Dilution Techniques; Intestinal Absorption; Ipomoea batatas; Magnoliopsida; Male; Nutritional Status; Vitamin A; Vitamin A Deficiency | 2004 |
Zinc plus beta-carotene supplementation of pregnant women is superior to beta-carotene supplementation alone in improving vitamin A status in both mothers and infants.
Topics: Adult; Avitaminosis; beta Carotene; Birth Weight; Body Mass Index; Double-Blind Method; Female; Humans; Indonesia; Infant, Newborn; Milk, Human; Nutritional Status; Pregnancy; Vitamin A; Zinc | 2004 |
Associations between plasma antioxidants and hypertension in a community-based sample of 415 Australians aged 60-64.
Topics: Age Factors; Antioxidants; beta Carotene; Biomarkers; Blood Pressure; Chromatography, High Pressure Liquid; Cross-Over Studies; Enzyme-Linked Immunosorbent Assay; Female; Homocysteine; Humans; Hypertension; Life Style; Longitudinal Studies; Male; Malondialdehyde; Middle Aged; New South Wales; Oxidative Stress; Residence Characteristics; Retrospective Studies; Risk Factors; Urban Population; Uric Acid; Vitamin A; Vitamin E | 2005 |
Predictors of lung cancer among asbestos-exposed men in the {beta}-carotene and retinol efficacy trial.
Topics: Adult; Aged; Anticarcinogenic Agents; Asbestosis; beta Carotene; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Occupational Diseases; Occupational Exposure; Predictive Value of Tests; Proportional Hazards Models; Radiography, Thoracic; Risk Factors; Smoking; Spirometry; United States; Vitamin A | 2005 |
Vitamin supplementation of HIV-infected women improves postnatal child growth.
Topics: Adult; Antioxidants; beta Carotene; Child Development; Female; HIV Infections; Humans; Infant, Newborn; Infectious Disease Transmission, Vertical; Pregnancy; Prenatal Care; Tanzania; Vitamin A; Vitamins | 2005 |
Multivitamin supplementation of HIV-positive women during pregnancy reduces hypertension.
Topics: Adult; beta Carotene; Blood Pressure; Body Mass Index; Dietary Supplements; Double-Blind Method; Female; HIV Seropositivity; Humans; Hypertension; Lymphocyte Count; Oxidative Stress; Placebos; Pregnancy; Pregnancy Complications, Cardiovascular; Pregnancy Complications, Infectious; Tanzania; Vitamin A; Vitamins | 2005 |
Associations between plasma levels of vitamins and cataract in the Italian-American Clinical Trial of Nutritional Supplements and Age-Related Cataract (CTNS): CTNS Report #2.
Topics: Aged; Aging; Ascorbic Acid; beta Carotene; Cataract; Chromatography, High Pressure Liquid; Dietary Supplements; Erythrocyte Membrane; Female; Glutathione Reductase; Humans; Italy; Male; Middle Aged; Prevalence; Quality Control; United States; Vitamin A; Vitamin E | 2005 |
Influence of vitamin C and E supplementation on oxidative stress induced by hyperbaric oxygen in healthy men.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Chromatography, High Pressure Liquid; Cross-Over Studies; Dietary Supplements; Enzyme-Linked Immunosorbent Assay; Glutathione; Humans; Hyperbaric Oxygenation; Lipid Peroxidation; Male; Malondialdehyde; Oxidative Stress; Vitamin A; Vitamin E | 2006 |
Serum retinol, alpha-tocopherol, and beta-carotene levels are not altered by excess ingestion of diacylglycerol-containing plant sterol esters.
Topics: Adult; alpha-Tocopherol; Anticholesteremic Agents; beta Carotene; Diglycerides; Double-Blind Method; Female; Humans; Hypercholesterolemia; Male; Phytosterols; Treatment Outcome; Vitamin A; Vitamins | 2006 |
Synergy between mannose-binding lectin gene polymorphisms and supplementation with vitamin A influences susceptibility to HIV infection in infants born to HIV-positive mothers.
Topics: Adult; Alleles; beta Carotene; Confidence Intervals; Dietary Supplements; Double-Blind Method; Female; Genetic Variation; Genotype; HIV Infections; Humans; Immunity, Innate; Infant, Newborn; Infectious Disease Transmission, Vertical; Male; Mannose-Binding Lectin; Odds Ratio; Polymorphism, Genetic; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Outcome; Risk Factors; South Africa; Vitamin A | 2006 |
Supplementation with vitamins C, E, beta-carotene and selenium has no effect on anti-oxidant status and immune responses in allergic adults: a randomized controlled trial.
Topics: Adolescent; Adult; Antioxidants; Ascorbic Acid; beta Carotene; Female; Humans; Hypersensitivity; Male; Selenium; Vitamin A | 2007 |
Relationship between markers of HIV-1 disease progression and serum beta-carotene concentrations in Kenyan women.
Topics: Adult; beta Carotene; C-Reactive Protein; CD4 Lymphocyte Count; Cross-Sectional Studies; Disease Progression; Female; HIV Infections; HIV-1; Humans; Kenya; Viral Load; Vitamin A | 2007 |
Carotene-rich plant foods ingested with minimal dietary fat enhance the total-body vitamin A pool size in Filipino schoolchildren as assessed by stable-isotope-dilution methodology.
Topics: Anthropometry; Antioxidants; beta Carotene; Biological Availability; Carotenoids; Child; Chromatography, High Pressure Liquid; Deuterium; Dietary Fats; Dose-Response Relationship, Drug; Female; Helminthiasis; Humans; Indicator Dilution Techniques; Isotope Labeling; Liver; Male; Nutritional Status; Nutritive Value; Philippines; Vegetables; Vitamin A; Vitamin A Deficiency | 2007 |
Variations in carotenoids, vitamins A and E, and color in cow's plasma and milk during late pregnancy and the first three months of lactation.
Topics: Animal Feed; Animals; Animals, Newborn; beta Carotene; Blood Chemical Analysis; Carotenoids; Cattle; Color; Eating; Fats; Female; Lactation; Lutein; Milk; Postpartum Period; Pregnancy; Time Factors; Vitamin A; Vitamin E | 2007 |
Multivitamin supplementation improves hematologic status in HIV-infected women and their children in Tanzania.
Topics: Adult; Anemia; Anemia, Iron-Deficiency; beta Carotene; Child Nutritional Physiological Phenomena; Child, Preschool; Dietary Supplements; Double-Blind Method; Female; Follow-Up Studies; Hemoglobins; HIV Infections; Humans; Infant; Infant Nutritional Physiological Phenomena; Infant, Newborn; Male; Maternal Nutritional Physiological Phenomena; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Outcome; Risk Factors; Tanzania; Vitamin A; Vitamin E; Vitamins | 2007 |
Adjuvant effect of vitamin A on recurrent lower urinary tract infections.
Topics: Administration, Oral; beta Carotene; Child; Dose-Response Relationship, Drug; Double-Blind Method; Female; Follow-Up Studies; Humans; Incidence; Male; Recurrence; Spectrophotometry; Treatment Outcome; Turkey; Urinary Tract Infections; Urodynamics; Vitamin A; Vitamins | 2007 |
Dietary intake, neutrophil fatty acid profile, serum antioxidant vitamins and oxygen radical absorbance capacity in patients with ulcerative colitis.
Topics: Adult; Albumins; alpha-Tocopherol; Antioxidants; beta Carotene; Colitis, Ulcerative; Diet; Diet Records; Fatty Acids; Female; Humans; Male; Neutrophils; Phospholipids; Proteins; Reactive Oxygen Species; Vitamin A; Vitamins | 2007 |
Effect of vitamin supplementation on breast milk concentrations of retinol, carotenoids and tocopherols in HIV-infected Tanzanian women.
Topics: Adult; beta Carotene; Breast Feeding; Dietary Supplements; Double-Blind Method; Female; HIV Infections; Humans; Infectious Disease Transmission, Vertical; Lactation; Milk, Human; Pregnancy; Prenatal Care; Tanzania; Tocopherols; Vitamin A; Vitamin B Complex; Vitamins; Young Adult | 2009 |
Spirometry, rapid FEV1 decline, and lung cancer among asbestos exposed heavy smokers.
Topics: Aged; Asbestos; beta Carotene; Double-Blind Method; Environmental Exposure; Female; Follow-Up Studies; Forced Expiratory Volume; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Pilot Projects; Prognosis; Risk Factors; Smoking; Spirometry; Vitamin A; Vitamins | 2007 |
Effects of the 'live high-train low' method on prooxidant/antioxidant balance on elite athletes.
Topics: alpha-Tocopherol; Altitude; Antioxidants; beta Carotene; Carotenoids; Exercise; Humans; Hypoxia; Lipid Metabolism; Lycopene; Male; Malondialdehyde; Oxidative Stress; Physical Endurance; Proteins; Reactive Oxygen Species; Running; Sports; Vitamin A; Vitamin E; Vitamins | 2009 |
Micronutrient status indicators in individuals single- or double-infected with HIV and Wuchereria bancrofti before and after DEC treatment.
Topics: Adolescent; Adult; Aged; alpha 1-Antichymotrypsin; alpha-Tocopherol; Animals; beta Carotene; Biomarkers; Cross-Sectional Studies; Diethylcarbamazine; Elephantiasis, Filarial; Female; Ferritins; Filaricides; HIV Infections; Humans; Male; Micronutrients; Middle Aged; Nutritional Status; Vitamin A; Wuchereria bancrofti; Young Adult | 2009 |
Vitamin A equivalency of beta-carotene in healthy adults: limitation of the extrinsic dual-isotope dilution technique to measure matrix effect.
Topics: Adult; Analysis of Variance; beta Carotene; Biomarkers; Capsules; Carbon Isotopes; Cross-Over Studies; Diet; Dietary Fats, Unsaturated; Dietary Supplements; Energy Intake; Feces; Female; Fruit; Humans; Indicator Dilution Techniques; Isotope Labeling; Male; Therapeutic Equivalency; Vegetables; Vitamin A; Young Adult | 2009 |
Randomized trial of 13-cis retinoic acid compared with retinyl palmitate with or without beta-carotene in oral premalignancy.
Topics: Adult; Aged; Aged, 80 and over; Anticarcinogenic Agents; beta Carotene; Disease-Free Survival; Diterpenes; Female; Humans; Isotretinoin; Male; Middle Aged; Mouth Neoplasms; Precancerous Conditions; Retinyl Esters; Treatment Outcome; Vitamin A; Vitamins | 2009 |
Reduction of micronuclei in oral lichen planus supplemented with beta-carotene.
Topics: Adult; Atrophy; beta Carotene; Cheek; Female; Gingival Diseases; Humans; Lichen Planus, Oral; Male; Micronuclei, Chromosome-Defective; Middle Aged; Mouth Mucosa; Palate; Tongue Diseases; Vitamin A; Vitamins | 2008 |
Total and cancer mortality after supplementation with vitamins and minerals: follow-up of the Linxian General Population Nutrition Intervention Trial.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; China; Confounding Factors, Epidemiologic; Dietary Supplements; Diterpenes; Female; Follow-Up Studies; Humans; Kaplan-Meier Estimate; Male; Malnutrition; Micronutrients; Middle Aged; Molybdenum; Neoplasms; Niacin; Odds Ratio; Retinyl Esters; Riboflavin; Risk Factors; Selenium; Vitamin A; Vitamins; Zinc Oxide | 2009 |
Golden Rice is an effective source of vitamin A.
Topics: Adult; Aged; Area Under Curve; beta Carotene; Diterpenes; Female; Humans; Male; Middle Aged; Oryza; Plants, Genetically Modified; Reference Values; Retinyl Esters; Vitamin A; Vitamin A Deficiency; Vitamins | 2009 |
Associations between alpha-tocopherol, beta-carotene, and retinol and prostate cancer survival.
Topics: Aged; alpha-Tocopherol; beta Carotene; Dietary Supplements; Double-Blind Method; Humans; Male; Middle Aged; Prospective Studies; Prostatic Neoplasms; Vitamin A | 2009 |
Longitudinal study of serum carotenoid, retinol, and tocopherol concentrations in relation to breast cancer risk among postmenopausal women.
Topics: Adult; beta Carotene; Breast Neoplasms; Carotenoids; Female; Follow-Up Studies; gamma-Tocopherol; Humans; Incidence; Longitudinal Studies; Lycopene; Menopause; Middle Aged; Multivariate Analysis; Postmenopause; Risk Factors; Tocopherols; Vitamin A | 2009 |
Serum alpha- and beta-carotene concentrations qualitatively respond to sustained carrot feeding.
Topics: Adult; Area Under Curve; beta Carotene; Carotenoids; Daucus carota; Feeding Behavior; Female; Humans; Male; Vitamin A | 2009 |
The effect of a very high daily plant stanol ester intake on serum lipids, carotenoids, and fat-soluble vitamins.
Topics: Adolescent; Adult; Aged; alpha-Tocopherol; beta Carotene; Biomarkers; Carotenoids; Cholesterol; Diet; Double-Blind Method; Female; Finland; Humans; Hypercholesterolemia; Hypolipidemic Agents; Lipids; Male; Middle Aged; Sitosterols; Vitamin A; Vitamin D; Vitamins; Young Adult | 2010 |
DeltaNp63 overexpression, alone and in combination with other biomarkers, predicts the development of oral cancer in patients with leukoplakia.
Topics: Antineoplastic Combined Chemotherapy Protocols; beta Carotene; Biomarkers, Tumor; Carcinoma, Squamous Cell; Diterpenes; Female; Follow-Up Studies; Gene Expression Regulation, Neoplastic; Genetic Predisposition to Disease; Humans; Inflammation; Isotretinoin; Leukoplakia, Oral; Male; Membrane Glycoproteins; Middle Aged; Mouth Neoplasms; Prognosis; Retinyl Esters; Trans-Activators; Transcription Factors; Tumor Suppressor Proteins; Up-Regulation; Vitamin A | 2009 |
Acute and subacute effect of rheopheresis on microvascular endothelial function in patients suffering from age-related macular degeneration.
Topics: Acetylcholine; Aged; beta Carotene; Endothelium, Vascular; Female; Humans; Hyperemia; Iontophoresis; Laser-Doppler Flowmetry; Macular Degeneration; Male; Microcirculation; Middle Aged; Pilot Projects; Plasmapheresis; Skin; Vasodilator Agents; Vitamin A; Vitamin E; Vitamins; Zinc | 2009 |
Effect of β-carotene supply during close-up dry period on the onset of first postpartum luteal activity in dairy cows.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Cattle; Corpus Luteum; Dairying; Diet; Dietary Supplements; Energy Metabolism; Female; Lactation; Postpartum Period; Progesterone; Time Factors; Vitamin A | 2010 |
Vitamin A equivalency and apparent absorption of beta-carotene in ileostomy subjects using a dual-isotope dilution technique.
Topics: Adult; beta Carotene; Capsules; Cross-Over Studies; Diet; Dietary Fats; Diterpenes; Feces; Female; Humans; Ileostomy; Indicator Dilution Techniques; Intestinal Absorption; Isotopes; Male; Middle Aged; Retinyl Esters; Vitamin A | 2010 |
Influence of fish oil or folate supplementation on the time course of plasma redox markers during pregnancy.
Topics: Adolescent; Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Dietary Supplements; Docosahexaenoic Acids; Female; Fish Oils; Folic Acid; Gestational Age; Humans; Oxidation-Reduction; Oxidative Stress; Placebos; Pregnancy; Sulfhydryl Compounds; Thiobarbituric Acid Reactive Substances; Uric Acid; Vitamin A | 2010 |
Beta-carotene conversion to vitamin A decreases as the dietary dose increases in humans.
Topics: Adult; Area Under Curve; beta Carotene; Deuterium; Diet; Dose-Response Relationship, Drug; Female; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Isotopes; Male; Vitamin A | 2010 |
Effect of vitamin A supplementation in women of reproductive age on maternal survival in Ghana (ObaapaVitA): a cluster-randomised, placebo-controlled trial.
Topics: Adolescent; Adult; beta Carotene; Cause of Death; Dietary Supplements; Double-Blind Method; Drug Administration Schedule; Female; Ghana; Humans; Middle Aged; Pregnancy; Pregnancy Complications; Vitamin A; Young Adult | 2010 |
Sedentary aging increases resting and exercise-induced intramuscular free radical formation.
Topics: Adult; Age Factors; Aged; Aging; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Biopsy; Carotenoids; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Exercise; Free Radicals; Humans; Lipid Peroxidation; Lycopene; Male; Mitochondria, Muscle; Muscle Contraction; Oxidative Stress; Quadriceps Muscle; Rest; Sedentary Behavior; Time Factors; Ubiquinone; Vitamin A; Young Adult | 2010 |
Low-dose beta-carotene supplementation and deworming improve serum vitamin A and beta-carotene concentrations in preschool children of Bangladesh.
Topics: Albendazole; Animals; Anthelmintics; Ascariasis; Ascaris lumbricoides; Bangladesh; beta Carotene; Child, Preschool; Dietary Supplements; Female; Humans; Male; Poverty; Vitamin A | 2010 |
Serum levels of folate, lycopene, β-carotene, retinol and vitamin E and prostate cancer risk.
Topics: Aged; beta Carotene; Carotenoids; Case-Control Studies; Cohort Studies; Folic Acid; Humans; Lycopene; Male; Middle Aged; Prostatic Neoplasms; Risk Factors; Vitamin A; Vitamin E | 2010 |
Effect of vitamin supplements on HIV shedding in breast milk.
Topics: beta Carotene; Breast Feeding; Dietary Supplements; Female; HIV; HIV Infections; Humans; Milk, Human; Pregnancy; Risk Factors; Tanzania; Viral Load; Virus Shedding; Vitamin A; Vitamins | 2010 |
Vitamin supplementation increases risk of subclinical mastitis in HIV-infected women.
Topics: Adult; beta Carotene; CD4 Lymphocyte Count; Dietary Supplements; Female; HIV Infections; Humans; Mastitis; Milk, Human; Placebos; Postpartum Period; Potassium; Pregnancy; Pregnancy Complications, Infectious; Risk Factors; Sodium; Tanzania; Vitamin A; Vitamins | 2010 |
Vitamin A equivalence of the ß-carotene in ß-carotene-biofortified maize porridge consumed by women.
Topics: Adolescent; Adult; Area Under Curve; beta Carotene; Biological Availability; Chromatography, High Pressure Liquid; Female; Food, Fortified; Humans; Lipoproteins; Reference Values; Triglycerides; Vitamin A; Young Adult; Zea mays | 2010 |
The impact of acute moderate intensity exercise on arterial regional stiffness, lipid peroxidation, and antioxidant status in healthy males.
Topics: Adult; Antioxidants; beta Carotene; Carotenoids; Exercise; Humans; Lipid Peroxidation; Lipid Peroxides; Lycopene; Male; Oxidative Stress; Rest; Vascular Resistance; Vitamin A; Young Adult | 2011 |
Serum retinol and risk of prostate cancer.
Topics: Aged; Alcohol Drinking; alpha-Tocopherol; beta Carotene; Chromatography, High Pressure Liquid; Double-Blind Method; Female; Finland; Humans; Incidence; Male; Middle Aged; Placebos; Proportional Hazards Models; Prospective Studies; Prostatic Neoplasms; Registries; Risk Assessment; Risk Factors; Smoking; Surveys and Questionnaires; Vitamin A; White People | 2011 |
A cluster-randomized, placebo-controlled, maternal vitamin A or beta-carotene supplementation trial in Bangladesh: design and methods.
Topics: Administration, Oral; Adolescent; Adult; Bangladesh; beta Carotene; Cluster Analysis; Developing Countries; Dietary Supplements; Double-Blind Method; Female; Gestational Age; Humans; Maternal Mortality; Middle Aged; Placebo Effect; Postpartum Period; Pregnancy; Pregnancy Complications; Prenatal Care; Research Design; Time Factors; Treatment Outcome; Vitamin A; Vitamins; Young Adult | 2011 |
Effects of oral supplementation with β-carotene on concentrations of β-carotene, vitamin A and α-tocopherol in plasma, colostrum and milk of mares and plasma of their foals and on fertility in mares.
Topics: alpha-Tocopherol; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Colostrum; Dietary Supplements; Female; Fertility; Horses; Maternal Nutritional Physiological Phenomena; Milk; Pregnancy; Vitamin A | 2012 |
Effects of vitamin A or beta carotene supplementation on pregnancy-related mortality and infant mortality in rural Bangladesh: a cluster randomized trial.
Topics: Adolescent; Adult; beta Carotene; Developing Countries; Dietary Supplements; Diterpenes; Female; Humans; Infant; Infant Mortality; Infant, Newborn; Maternal Mortality; Middle Aged; Night Blindness; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Prenatal Care; Retinyl Esters; Rural Population; Stillbirth; Vitamin A; Vitamin A Deficiency; Vitamins; Young Adult | 2011 |
Yellow maize with high β-carotene is an effective source of vitamin A in healthy Zimbabwean men.
Topics: Adult; beta Carotene; Chromatography, High Pressure Liquid; Humans; Male; Middle Aged; Vitamin A; Zea mays; Zimbabwe | 2011 |
Bioelectrical impedance among rural Bangladeshi Women during pregnancy and in the postpartum period.
Topics: Adolescent; Adult; Age Factors; Analysis of Variance; Bangladesh; beta Carotene; Body Composition; Body Mass Index; Child; Electric Impedance; Female; Humans; Middle Aged; Postpartum Period; Pregnancy; Pregnancy Trimesters; Pregnant Women; Rural Population; Vitamin A; Young Adult | 2011 |
Domestic cats convert [2H8]-β-carotene to [2H4]-retinol following a single oral dose.
Topics: Administration, Oral; Animal Feed; Animals; beta Carotene; Cats; Diet; Dose-Response Relationship, Drug; Female; Specific Pathogen-Free Organisms; Vitamin A | 2012 |
Maternal vitamin A and β-carotene supplementation and risk of bacterial vaginosis: a randomized controlled trial in rural Bangladesh.
Topics: Adolescent; Adult; Bangladesh; beta Carotene; Dietary Supplements; Female; Humans; Incidence; Micronutrients; Odds Ratio; Physical Examination; Postpartum Period; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Trimester, Third; Prevalence; Risk; Rural Population; Vaginosis, Bacterial; Vitamin A; Young Adult | 2011 |
Effect of zinc- and micronutrient-rich food supplements on zinc and vitamin A status of adolescent girls.
Topics: Adolescent; Anemia; Ascorbic Acid; beta Carotene; Biological Availability; Child; Dietary Supplements; Female; Hemoglobins; Humans; Micronutrients; Nutritional Status; Vitamin A; Vitamin A Deficiency; Zinc | 2012 |
Antioxidant micronutrients improve intrinsic and UV-induced apoptosis of human lymphocytes particularly in elderly people.
Topics: Adolescent; Adult; Aged; Antioxidants; Apoptosis; Ascorbic Acid; beta Carotene; Child; Dietary Supplements; Double-Blind Method; Female; Humans; In Situ Nick-End Labeling; Lymphocyte Count; Lymphocytes; Male; Micronutrients; Middle Aged; Oxidative Stress; Selenium; Ultraviolet Rays; Vitamin A; Young Adult | 2011 |
Does consumption of two portions of salmon per week enhance the antioxidant defense system in pregnant women?
Topics: Adolescent; Adult; Animals; Antioxidants; beta Carotene; Female; Glutathione; Humans; Pregnancy; Salmon; Seafood; Selenium; Tocopherols; Ubiquinone; Vitamin A; Young Adult | 2012 |
β-Carotene in Golden Rice is as good as β-carotene in oil at providing vitamin A to children.
Topics: beta Carotene; Child; China; Corn Oil; Deuterium Oxide; Dietary Supplements; Female; Food, Genetically Modified; Humans; Kinetics; Male; Nutritive Value; Oryza; Plant Leaves; Plants, Genetically Modified; Seeds; Spinacia oleracea; Vitamin A; Vitamin A Deficiency | 2012 |
Introduction of β-carotene-rich orange sweet potato in rural Uganda resulted in increased vitamin A intakes among children and women and improved vitamin A status among children.
Topics: Adult; Anthropometry; beta Carotene; Child, Preschool; Cross-Sectional Studies; Family Characteristics; Female; Follow-Up Studies; Humans; Infant; Ipomoea batatas; Male; Nutrition Assessment; Nutritional Status; Regression Analysis; Rural Population; Uganda; Vitamin A; Vitamin A Deficiency | 2012 |
Daily consumption of orange-fleshed sweet potato for 60 days increased plasma β-carotene concentration but did not increase total body vitamin A pool size in Bangladeshi women.
Topics: Adolescent; Adult; Anthropometry; Bangladesh; beta Carotene; Diet; Female; Humans; Ipomoea batatas; Male; Middle Aged; Nutritional Status; Vitamin A; Vitamin A Deficiency; Young Adult | 2012 |
No dose-dependent increase in fracture risk after long-term exposure to high doses of retinol or beta-carotene.
Topics: Adult; Aged; beta Carotene; Dietary Supplements; Diterpenes; Dose-Response Relationship, Drug; Drug Administration Schedule; Female; Follow-Up Studies; Humans; Incidence; Lung Neoplasms; Male; Mesothelioma; Middle Aged; Occupational Diseases; Osteoporotic Fractures; Retinyl Esters; Risk Assessment; Vitamin A; Western Australia | 2013 |
Effects of vitamin A and β-carotene supplementation on birth size and length of gestation in rural Bangladesh: a cluster-randomized trial.
Topics: Adult; Bangladesh; beta Carotene; Birth Weight; Cluster Analysis; Dietary Supplements; Female; Follow-Up Studies; Gestational Age; Humans; Infant, Low Birth Weight; Infant, Newborn; Infant, Small for Gestational Age; Maternal Nutritional Physiological Phenomena; Micronutrients; Postpartum Period; Pregnancy; Premature Birth; Prevalence; Rural Population; Treatment Outcome; Vitamin A; Vitamin A Deficiency; Young Adult | 2013 |
Biofortified cassava increases β-carotene and vitamin A concentrations in the TAG-rich plasma layer of American women.
Topics: Adult; Area Under Curve; beta Carotene; Diterpenes; Female; Food, Fortified; Humans; Lipoproteins; Manihot; Plant Oils; Reference Values; Retinyl Esters; Triglycerides; Vitamin A; Vitamin A Deficiency; Young Adult | 2013 |
The impact of dietary counselling during pregnancy on vitamin intake and status of women and their children.
Topics: Adolescent; Adult; beta Carotene; Colostrum; Counseling; Diet; Female; Health Behavior; Health Promotion; Humans; Hypersensitivity; Infant; Male; Maternal Nutritional Physiological Phenomena; Milk, Human; Nutritional Status; Pregnancy; Pregnancy Complications; Pregnancy Trimester, First; Treatment Outcome; Vitamin A; Vitamin E; Young Adult | 2013 |
CD36 and SR-BI are involved in cellular uptake of provitamin A carotenoids by Caco-2 and HEK cells, and some of their genetic variants are associated with plasma concentrations of these micronutrients in humans.
Topics: Adolescent; beta Carotene; Caco-2 Cells; Carotenoids; CD36 Antigens; Cross-Sectional Studies; Cryptoxanthins; Female; Genetic Variation; Genotype; HEK293 Cells; Humans; Male; Polymorphism, Single Nucleotide; Scavenger Receptors, Class B; Sex Factors; Vitamin A; Xanthophylls | 2013 |
Early neonatal feeding is common and associated with subsequent breastfeeding behavior in rural Bangladesh.
Topics: Adult; Bangladesh; beta Carotene; Breast Feeding; Dietary Supplements; Double-Blind Method; Feeding Behavior; Female; Humans; Infant Formula; Infant Nutritional Physiological Phenomena; Infant, Newborn; Logistic Models; Maternal Age; Milk, Human; Postpartum Period; Rural Population; Socioeconomic Factors; Vitamin A; World Health Organization; Young Adult | 2013 |
The effects of daily consumption of β-cryptoxanthin-rich tangerines and β-carotene-rich sweet potatoes on vitamin A and carotenoid concentrations in plasma and breast milk of Bangladeshi women with low vitamin A status in a randomized controlled trial.
Topics: Adolescent; Adult; Bangladesh; beta Carotene; Carotenoids; Citrus; Cryptoxanthins; Dietary Supplements; Female; Humans; Ipomoea batatas; Lactation; Milk, Human; Nutritional Status; Socioeconomic Factors; Vitamin A; Vitamin A Deficiency; Xanthophylls; Young Adult | 2013 |
Plasma retinol and total carotenes and fracture risk after long-term supplementation with high doses of retinol.
Topics: Adult; Aged; beta Carotene; Dietary Supplements; Female; Follow-Up Studies; Fractures, Bone; Humans; Incidence; Male; Middle Aged; Osteoporosis; Proportional Hazards Models; Risk Factors; Time Factors; Vitamin A; Vitamins | 2014 |
Avocado consumption enhances human postprandial provitamin A absorption and conversion from a novel high-β-carotene tomato sauce and from carrots.
Topics: Adult; beta Carotene; Biological Availability; Carotenoids; Cross-Over Studies; Daucus carota; Diet; Female; Healthy Volunteers; Humans; Life Style; Lipoproteins; Male; Persea; Postprandial Period; Solanum lycopersicum; Surveys and Questionnaires; Triglycerides; Vitamin A; Young Adult | 2014 |
Consumption of a dietary portfolio of cholesterol lowering foods improves blood lipids without affecting concentrations of fat soluble compounds.
Topics: Adult; beta Carotene; Canada; Carotenoids; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Diet; Dietary Fiber; Feeding Behavior; Female; Follow-Up Studies; Humans; Hyperlipidemias; Lutein; Lycopene; Male; Middle Aged; Nuts; Phytosterols; Single-Blind Method; Sitosterols; Tocopherols; Triglycerides; Vitamin A; Vitamins | 2014 |
Biofortified orange maize is as efficacious as a vitamin A supplement in Zambian children even in the presence of high liver reserves of vitamin A: a community-based, randomized placebo-controlled trial.
Topics: beta Carotene; C-Reactive Protein; Child; Diet; Female; Food, Fortified; Humans; Liver; Male; Vitamin A; Vitamin A Deficiency; Zambia; Zea mays | 2014 |
Assessment of the effect of esterified propoxylated glycerol (EPG) on the status of fat-soluble vitamins and select water-soluble nutrients following dietary administration to humans for 8 weeks.
Topics: 25-Hydroxyvitamin D 2; Adolescent; Adult; alpha-Tocopherol; beta Carotene; Biomarkers; Calcifediol; Dietary Fats; Double-Blind Method; Fat Substitutes; Female; Glycerides; Humans; Male; Middle Aged; Protein Precursors; Prothrombin; Vitamin A; Vitamin K 1; Vitamins; Young Adult | 2014 |
Supplementation with red palm oil increases β-carotene and vitamin A blood levels in patients with cystic fibrosis.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Child; Cystic Fibrosis; Dietary Supplements; Female; Humans; Lycopene; Male; Palm Oil; Plant Oils; Vitamin A; Young Adult | 2015 |
Circulating IGF-1 may mediate improvements in haemoglobin associated with vitamin A status during pregnancy in rural Nepalese women.
Topics: Adult; Anemia; beta Carotene; Dietary Supplements; Double-Blind Method; Erythropoiesis; Female; Ferritins; Gestational Age; Hemoglobins; Humans; Insulin-Like Growth Factor I; Iron; Iron, Dietary; Nepal; Nutritional Status; Pregnancy; Pregnancy Complications; Rural Population; Vitamin A; Vitamin A Deficiency; Young Adult | 2015 |
Maternal vitamin A supplementation increases natural antibody concentrations of preadolescent offspring in rural Nepal.
Topics: Adult; Antibodies; B-Lymphocytes; beta Carotene; Child; Dietary Supplements; Female; Humans; Infant; Lymphopoiesis; Male; Malnutrition; Nepal; Pregnancy; Pregnancy Complications; Prenatal Care; Prenatal Nutritional Physiological Phenomena; Rural Population; Vitamin A; Vitamin A Deficiency; Vitamins; Young Adult | 2015 |
Analysis of microsamples of human faeces: a non-invasive approach to study the bioavailability of fat-soluble bioactive compounds.
Topics: alpha-Tocopherol; beta Carotene; Biological Availability; Cross-Over Studies; Double-Blind Method; Feces; Female; Humans; Infant; Male; Micronutrients; Middle Aged; Vitamin A; Vitamin E | 2015 |
Effects of feeding β-carotene on levels of β-carotene and vitamin A in blood and tissues of beef cattle and the effects on beef quality.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Cattle; Diet; Dietary Supplements; Male; Meat; Vitamin A | 2015 |
Biofortified yellow cassava and vitamin A status of Kenyan children: a randomized controlled trial.
Topics: Analysis of Variance; beta Carotene; Child; Diet; Dietary Supplements; Energy Intake; Female; Food, Fortified; Humans; Inflammation; Kenya; Male; Manihot; Nutritional Status; Plant Roots; Prevalence; Vegetables; Vitamin A; Vitamin A Deficiency | 2016 |
Acute intake of quercetin from onion skin extract does not influence postprandial blood pressure and endothelial function in overweight-to-obese adults with hypertension: a randomized, double-blind, placebo-controlled, crossover trial.
Topics: Adult; Aged; Arginine; beta Carotene; Blood Pressure; C-Reactive Protein; Cholesterol; Cross-Over Studies; Double-Blind Method; Endothelin-1; Female; Humans; Hypertension; Insulin; Intercellular Adhesion Molecule-1; Male; Middle Aged; Obesity; Onions; Overweight; Plant Extracts; Postprandial Period; Quercetin; Triglycerides; Vascular Cell Adhesion Molecule-1; Vitamin A | 2017 |
Provitamin A-biofortified maize increases serum β-carotene, but not retinol, in marginally nourished children: a cluster-randomized trial in rural Zambia.
Topics: beta Carotene; C-Reactive Protein; Child; Child, Preschool; Diet; Edible Grain; Female; Food, Fortified; Humans; Male; Nutritional Status; Provitamins; Rural Population; Treatment Outcome; Vitamin A; Vitamin A Deficiency; Zambia; Zea mays | 2016 |
Provitamin A Carotenoid-Biofortified Maize Consumption Increases Pupillary Responsiveness among Zambian Children in a Randomized Controlled Trial.
Topics: beta Carotene; Child; Child, Preschool; Diet; Female; Food, Fortified; Humans; Male; Meals; Nutritional Status; Provitamins; Reflex, Pupillary; Vitamin A; Vitamin A Deficiency; Zambia; Zea mays | 2016 |
Body mass index and prostate cancer risk in the Carotene and Retinol Efficacy Trial.
Topics: Aged; beta Carotene; Body Mass Index; Double-Blind Method; Female; Follow-Up Studies; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Prognosis; Prostatic Neoplasms; Provitamins; Risk Factors; United States; Vitamin A; Vitamins | 2019 |
Technical note: Simultaneous carotenoid and vitamin analysis of milk from total mixed ration-fed cows optimized for xanthophyll detection.
Topics: alpha-Tocopherol; Animal Feed; Animals; beta Carotene; Carotenoids; Cattle; Chromatography, High Pressure Liquid; Lutein; Milk; Vitamin A; Vitamins; Xanthophylls; Zeaxanthins | 2018 |
Methylation-derived Neutrophil-to-Lymphocyte Ratio and Lung Cancer Risk in Heavy Smokers.
Topics: Aged; Asbestos; beta Carotene; Carcinoma, Non-Small-Cell Lung; Case-Control Studies; Diterpenes; DNA Methylation; Female; Humans; Inflammation; Lung Neoplasms; Lymphocyte Count; Lymphocytes; Male; Middle Aged; Neutrophils; Occupational Exposure; Oligonucleotide Array Sequence Analysis; Retinyl Esters; Risk Factors; Smokers; Smoking; Vitamin A | 2018 |
β-Cryptoxanthin and zeaxanthin are highly bioavailable from whole-grain and refined biofortified orange maize in humans with optimal vitamin A status: a randomized, crossover, placebo-controlled trial.
Topics: Adult; Africa; beta Carotene; Beta-Cryptoxanthin; Biological Availability; Biomarkers; Bread; Carbon Isotopes; Cross-Over Studies; Diet; Feeding Behavior; Female; Food, Fortified; Humans; Liver; Male; Nutritional Status; Provitamins; Vitamin A; Vitamin A Deficiency; Whole Grains; Young Adult; Zea mays; Zeaxanthins | 2018 |
Prenatal and childhood exposures are associated with thymulin concentrations in young adolescent children in rural Nepal.
Topics: Adolescent; beta Carotene; Child; Child Development; Child, Preschool; Dietary Supplements; Female; Follow-Up Studies; Humans; Infant; Infant, Newborn; Male; Malnutrition; Maternal Nutritional Physiological Phenomena; Nepal; Nutritional Status; Pregnancy; Prenatal Exposure Delayed Effects; Risk Factors; Rural Population; Seasons; Thymic Factor, Circulating; Thymus Gland; Treatment Outcome; Vitamin A; Young Adult | 2020 |
Effects of 2,4-thiazolidinedione (TZD) on milk fatty acid profile and serum vitamins in dairy goats challenged with intramammary infusion of
Topics: alpha-Tocopherol; Animals; beta Carotene; Fatty Acids; Female; Goat Diseases; Goats; Hypoglycemic Agents; Mastitis; Milk; Streptococcal Infections; Streptococcus; Thiazolidinediones; Vitamin A | 2020 |
Effects of hydrogenated fat-spray-coated β-carotene supplement on plasma β-carotene concentration and conception rate after embryo transfer in Hanwoo beef cows.
Topics: Animals; beta Carotene; Cattle; Diet; Dietary Supplements; Embryo Transfer; Female; Pregnancy; Vitamin A | 2021 |
Effects of prepartum supplementation of β-carotene on colostrum and calves.
Topics: alpha-Tocopherol; Animals; beta Carotene; Cattle; Colostrum; Dietary Supplements; Female; gamma-Glutamyltransferase; Glutamate Dehydrogenase; Immunoglobulin G; Pregnancy; Vitamin A | 2022 |
The evaluation of the supplementation of vitamin A, beta-carotene, and oxidized beta-carotene in prepubertal gilts.
Topics: Animal Feed; Animals; beta Carotene; Diet; Dietary Supplements; Female; Sus scrofa; Swine; Vitamin A | 2023 |
The investigation of the effects of vitamin A, vitamin E, and β-carotene plus vitamin E on some fertility parameters in ewes.
Topics: Animals; beta Carotene; Estrus Synchronization; Female; Fertility; Injections; Male; Pregnancy; Sheep; Vitamin A; Vitamin E | 2023 |
Dietary intake of preformed vitamin A and provitamin A carotenoids are not associated with serum retinol and carotenoid concentrations among children 36-59 months of age in rural Burkina Faso: a cross-sectional study.
Topics: beta Carotene; Beta-Cryptoxanthin; Burkina Faso; Carotenoids; Child; Child, Preschool; Cross-Sectional Studies; Eating; Humans; Provitamins; Retrospective Studies; Vitamin A | 2023 |
1192 other study(ies) available for retinol and beta carotene
| Article | Year |
|---|---|
Comprehensive analysis of the effects of ordinary nutrients on hepatitis C virus RNA replication in cell culture.
Topics: Amino Acids; Cell Line, Tumor; Fatty Acids; Hepacivirus; Humans; Micronutrients; RNA, Viral; Salts; Virus Replication; Vitamins | 2007 |
Cheminformatics analysis of assertions mined from literature that describe drug-induced liver injury in different species.
Topics: Animals; Chemical and Drug Induced Liver Injury; Cluster Analysis; Databases, Factual; Humans; MEDLINE; Mice; Models, Chemical; Molecular Conformation; Quantitative Structure-Activity Relationship | 2010 |
Development of a phospholipidosis database and predictive quantitative structure-activity relationship (QSAR) models.
Topics: | 2008 |
Diet, alcohol, smoking, serum beta-carotene, and vitamin A in male nonmelanocytic skin cancer patients and controls.
Topics: Aged; Alcohol Drinking; beta Carotene; Carcinoma, Basal Cell; Carcinoma, Squamous Cell; Carotenoids; Case-Control Studies; Diet; Humans; Incidence; Male; Middle Aged; Skin Neoplasms; Smoking; Vitamin A | 1992 |
Morphological structure of the mucous membrane and submucosa of rumen in calves receiving synthetic or natural beta-carotene and vitamins AD3E.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cholecalciferol; Gastric Mucosa; Male; Rumen; Vitamin A; Vitamin E; Vitamins | 1992 |
Increased sensitivity of human keratinocytes immortalized by human papillomavirus type 16 DNA to growth control by retinoids.
Topics: beta Carotene; Carotenoids; Cell Division; Cell Line, Transformed; Cell Transformation, Viral; Humans; Keratinocytes; Keratins; Papillomaviridae; RNA, Viral; Tretinoin; Vitamin A | 1992 |
Vitamin A status of young Gambian children: biochemical evaluation and conjunctival impression cytology.
Topics: beta Carotene; Biochemical Phenomena; Biochemistry; Carotenoids; Child; Child, Preschool; Conjunctiva; Female; Gambia; Humans; Male; Pilot Projects; Seasons; Vitamin A; Vitamin A Deficiency | 1992 |
The antioxidant status of patients with either alcohol-induced liver damage or myopathy.
Topics: Adult; Alcoholism; Antioxidants; beta Carotene; Biopsy; Carotenoids; Fatty Liver, Alcoholic; Female; Humans; Liver; Liver Cirrhosis, Alcoholic; Liver Diseases, Alcoholic; Liver Function Tests; Male; Middle Aged; Muscles; Muscular Diseases; Selenium; Vitamin A; Vitamin E | 1992 |
Carotenoids, retinol, and vitamin E and risk of proliferative benign breast disease and breast cancer.
Topics: Aged; beta Carotene; Boston; Breast Diseases; Breast Neoplasms; Carotenoids; Case-Control Studies; Dietary Fats; Energy Intake; Feeding Behavior; Female; Food; Humans; Lycopene; Middle Aged; Risk Factors; Vitamin A; Vitamin E | 1992 |
High-performance liquid chromatographic method for routine determination of vitamins A and E and beta-carotene in plasma.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Reference Values; Reproducibility of Results; Spectrophotometry, Ultraviolet; Vitamin A; Vitamin E | 1992 |
Simultaneous quantitation and separation of carotenoids and retinol in human milk by high-performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Indicators and Reagents; Lutein; Lycopene; Milk, Human; Vitamin A | 1992 |
Efficacy of massive oral doses of retinyl palmitate and mango (Mangifera indica L.) consumption to correct an existing vitamin A deficiency in Senegalese children.
Topics: beta Carotene; Carotenoids; Child; Child, Preschool; Conjunctiva; Diterpenes; Drug Administration Schedule; Eye Diseases; Follow-Up Studies; Fruit; Humans; Retinyl Esters; Senegal; Vitamin A; Vitamin A Deficiency | 1992 |
[Effects of smoking and drinking habits and vitamin A intake on serum concentrations of beta-carotene and retinol].
Topics: Adolescent; Adult; Alcohol Drinking; beta Carotene; Carotenoids; Child; Humans; Male; Middle Aged; Smoking; Vitamin A | 1992 |
Biomarker assessments in asbestos-exposed workers as indicators for selective prevention of mesothelioma or bronchogenic carcinoma: rationale and practical implementations.
Topics: Acetylcysteine; Antigens, Neoplasm; Asbestos; Ascorbic Acid; beta Carotene; Biomarkers, Tumor; Carcinoembryonic Antigen; Carcinoma, Bronchogenic; Carotenoids; Cohort Studies; Ferritins; Humans; Hyaluronic Acid; Longitudinal Studies; Lung Neoplasms; Male; Mesothelioma; Middle Aged; Occupational Diseases; Occupational Exposure; Peptides; Riboflavin; Selenium; Tissue Polypeptide Antigen; Vitamin A; Vitamin E | 1992 |
Effects of injectable beta-carotene and vitamin A on lymphocyte proliferation and polymorphonuclear neutrophil function in piglets.
Topics: Animals; Animals, Newborn; beta Carotene; Carotenoids; Concanavalin A; Female; Hydrocortisone; Lymphocyte Activation; Neutrophils; Phagocytosis; Phytohemagglutinins; Pokeweed Mitogens; Swine; Vitamin A; Vitamin E | 1992 |
Antioxidant vitamin supplementation of smoke-exposed rats partially protects against myocardial ischaemic/reperfusion injury.
Topics: Animals; beta Carotene; Carotenoids; Diterpenes; Female; Iron; Mitochondria, Heart; Molecular Weight; Myocardial Reperfusion Injury; Oxidative Phosphorylation; Rats; Retinyl Esters; Tobacco Smoke Pollution; Vitamin A; Vitamin E | 1992 |
A new spectrophotometric assay for the determination of vitamin A and related compounds in serum.
Topics: Adult; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Humans; Lutein; Lycopene; Spectrophotometry; Vitamin A; Xanthophylls | 1992 |
Serum antioxidant vitamins and risk of cataract.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Case-Control Studies; Cataract; Female; Finland; Follow-Up Studies; Health Surveys; Humans; Male; Middle Aged; Risk Factors; Selenium; Vitamin A; Vitamin E | 1992 |
[Vitamins during high dose chemo- and radiotherapy].
Topics: Adolescent; Adult; Ascorbic Acid; beta Carotene; Bone Marrow Transplantation; Carotenoids; Drug Therapy; Female; Humans; Lycopene; Male; Middle Aged; Parenteral Nutrition; Vitamin A; Vitamin E; Vitamins; Whole-Body Irradiation | 1992 |
Dietary beta-carotene reduces serum lipid concentrations in spontaneously hypertensive rats fed a vitamin A-fortified and cholesterol-enriched diet.
Topics: Animals; beta Carotene; Carotenoids; Cholesterol; Cholesterol, Dietary; Cholesterol, HDL; Cholesterol, LDL; Cholesterol, VLDL; Diet; Hypertension; Lipids; Liver; Rats; Rats, Inbred SHR; Triglycerides; Vitamin A | 1992 |
Correlations of vitamin A and E intakes with the plasma concentrations of carotenoids and tocopherols among American men and women.
Topics: beta Carotene; Carotenoids; Diet; Female; Humans; Lutein; Male; Middle Aged; Prospective Studies; Reference Values; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1992 |
Beta-carotene, retinol and retinyl ester concentrations in serum and selected tissues of ferrets fed beta-carotene.
Topics: Absorption; Adrenal Glands; Animals; beta Carotene; Carotenoids; Diet; Diterpenes; Ferrets; Gastric Mucosa; Intestinal Mucosa; Liver; Male; Organ Specificity; Retinyl Esters; Vitamin A | 1992 |
Comparative accumulations of labelled carotenoids (14C-astaxanthin, 3H-canthaxanthin and 3H-zeaxanthin) and their metabolic conversions in mature female rainbow trout (Oncorhynchus mykiss).
Topics: Animals; beta Carotene; Biotransformation; Canthaxanthin; Carotenoids; Diet; Female; Tissue Distribution; Trout; Vitamin A; Xanthophylls; Zeaxanthins | 1992 |
Modelling the relative risk of esophageal cancer in a case-control study.
Topics: Adult; Aged; Alcohol Drinking; beta Carotene; Carotenoids; Case-Control Studies; Diet; Esophageal Neoplasms; Humans; Logistic Models; Male; Middle Aged; Risk; Risk Factors; Smoking; Vitamin A | 1992 |
Plasma concentrations of vitamins A and E and carotenoids in Alzheimer's disease.
Topics: Aged; Aged, 80 and over; Alzheimer Disease; beta Carotene; Carotenoids; Dementia, Multi-Infarct; Female; Free Radicals; Humans; Male; Reference Values; Vitamin A; Vitamin E | 1992 |
An evaluation of serum microelement concentrations in lung cancer and matched non-cancer patients to determine the risk of developing lung cancer: a preliminary study.
Topics: Adenocarcinoma; Adult; Aged; beta Carotene; Carcinoma; Carcinoma, Squamous Cell; Carotenoids; Case-Control Studies; Female; Humans; Lung Neoplasms; Male; Middle Aged; Risk Factors; Selenium; Smoking; Vitamin A; Vitamin E | 1992 |
Beta-carotene, vitamin A and prostatic cancer.
Topics: Aged; beta Carotene; Carotenoids; Diet; Humans; Male; Middle Aged; Prostatic Neoplasms; Risk Factors; Vitamin A | 1992 |
[The vitamin A and C body allowances of miners in the diamond-extraction industry].
Topics: Adult; Ascorbic Acid; beta Carotene; Bronchitis; Carbon; Carotenoids; Diamond; Humans; Middle Aged; Mining; Siberia; Silicosis; Vitamin A | 1991 |
The role of beta-carotene and other dietary factors in the aetiology of cervical dysplasia: results of a case-control study.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Dietary Fiber; Epidemiologic Methods; Female; Humans; Middle Aged; Netherlands; Risk Factors; Surveys and Questionnaires; Uterine Cervical Dysplasia; Vitamin A | 1991 |
Investigation of seasonal variations in cow serum retinol and beta-carotene by high performance liquid chromatographic method.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Chromatography, High Pressure Liquid; Female; Osmolar Concentration; Seasons; Vitamin A | 1991 |
Evaluation of the preruminant calf as a model for the study of human carotenoid metabolism.
Topics: Adipose Tissue; Administration, Oral; Adrenal Glands; Animals; Animals, Newborn; beta Carotene; Carotenoids; Cattle; Evaluation Studies as Topic; Kidney; Liver; Lung; Male; Models, Biological; Spleen; Tissue Distribution; Vitamin A | 1992 |
Effects of supplemental vitamin A or beta-carotene during the dry period and early lactation on udder health.
Topics: Analysis of Variance; Animals; beta Carotene; Carotenoids; Cattle; Cell Count; Female; Lactation; Mastitis, Bovine; Milk; Random Allocation; Vitamin A | 1991 |
Determination of carotenoids in foods by high-performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Egypt; Fruit; Indicators and Reagents; Solutions; Vegetables; Vitamin A | 1991 |
A study of blood antioxidants and lipoperoxides: effects of anticoagulants and sex-variation.
Topics: Adult; Anticoagulants; Antioxidants; beta Carotene; Carotenoids; Edetic Acid; Female; Heparin; Humans; Lipid Peroxides; Male; Malondialdehyde; Middle Aged; Sex Factors; Uric Acid; Vitamin A; Vitamin E | 1991 |
Influence of enteral parasites on the blood vitamin A levels in preschool children orally supplemented with retinol and/or zinc.
Topics: beta Carotene; Brazil; Carotenoids; Child; Child, Preschool; Feces; Hair; Humans; Incidence; Intestinal Diseases, Parasitic; Nutrition Assessment; Vitamin A; Vitamin A Deficiency; Zinc | 1991 |
[The content of beta-carotene, vitamin A and ascorbic acid in different tissues of bulls, short-scrotum bulls and oxen of different body weights].
Topics: Animals; Ascorbic Acid; beta Carotene; Carotenoids; Cattle; Liver; Male; Testis; Tissue Distribution; Vitamin A | 1991 |
Simultaneous determination of retinol, tocopherols, carotenes and lycopene in plasma by means of high-performance liquid chromatography on reversed phase.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Fluorometry; Humans; Lycopene; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry; Time Factors; Vitamin A; Vitamin E; Vitamins; Xanthophylls | 1991 |
A dietary study of the elderly in the City of Roskilde 1988/1989 (II). A nutritional risk assessment.
Topics: Aged; beta Carotene; Body Mass Index; Carotenoids; Cholesterol; Denmark; Diet; Diet Surveys; Female; Hemoglobins; Humans; Male; Nutritional Status; Pyridoxine; Regression Analysis; Risk; Serum Albumin; Sex Factors; Vitamin A; Vitamin D | 1991 |
Kinetic characteristics of beta-carotene uptake after an injection of beta-carotene in pigs.
Topics: Animals; beta Carotene; Blood Cells; Carotenoids; Dose-Response Relationship, Drug; Erythrocytes; Female; Injections, Intramuscular; Lipoproteins; Lymphocytes; Neutrophils; Swine; Vitamin A; Vitamin E | 1991 |
Subcellular distribution of beta-carotene, retinol, and alpha-tocopherol in porcine lymphocytes after a single injection of beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Cell Nucleus; Cytosol; Dose-Response Relationship, Drug; Female; Injections, Intramuscular; Lymphocytes; Microsomes; Mitochondria; Swine; Vitamin A; Vitamin E | 1991 |
Simultaneous determination of retinol, alpha-tocopherol and beta-carotene in serum by isocratic high-performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Male; Reference Standards; Reference Values; Reproducibility of Results; Spectrophotometry, Ultraviolet; Vitamin A; Vitamin E | 1991 |
Effect of beta-carotene on lymphocyte subpopulations in elderly humans: evidence for a dose-response relationship.
Topics: Aged; Aging; beta Carotene; Carotenoids; Dose-Response Relationship, Drug; Female; Humans; Killer Cells, Natural; Male; Middle Aged; Receptors, Interleukin-2; Receptors, Transferrin; T-Lymphocyte Subsets; T-Lymphocytes, Helper-Inducer; T-Lymphocytes, Regulatory; Vitamin A | 1991 |
Effect of retinoids and carotenoids on prostaglandin formation by oral squamous carcinoma cells.
Topics: beta Carotene; Canthaxanthin; Carcinoma, Squamous Cell; Carotenoids; Chromatography, Thin Layer; Fenretinide; Humans; Indomethacin; Prostaglandins; Retinoids; Tongue Neoplasms; Tretinoin; Tumor Cells, Cultured; Vitamin A | 1991 |
Plasma response to oral beta-carotene in Guatemalan schoolchildren.
Topics: Administration, Oral; Adolescent; beta Carotene; Carotenoids; Child; Dietary Fats; Dose-Response Relationship, Drug; Fasting; Female; Guatemala; Humans; Male; Osmolar Concentration; Time Factors; Vitamin A | 1991 |
Serum micronutrients and risk of cancers of low incidence in Finland.
Topics: Adult; Aged; beta Carotene; Carotenoids; Cohort Studies; Female; Finland; Humans; Incidence; Male; Mass Screening; Middle Aged; Neoplasms; Retinol-Binding Proteins; Selenium; Vitamin A; Vitamin E | 1991 |
Antioxidant vitamin intakes assessed using a food-frequency questionnaire: correlation with biochemical status in smokers and non-smokers.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; Diet; Energy Intake; Humans; Male; Middle Aged; Smoking; Surveys and Questionnaires; Vitamin A; Vitamin E; Vitamins | 1991 |
Serum time curve characteristics of a fixed dose of beta-carotene in young and old men.
Topics: Adult; Aged; Aging; Analysis of Variance; Anthropometry; beta Carotene; Blood Proteins; Body Composition; Carotenoids; Diterpenes; Dose-Response Relationship, Drug; Eating; Humans; Lipids; Male; Retinoids; Retinyl Esters; Vitamin A | 1991 |
Spirulina as a source of vitamin A.
Topics: Absorption; Animals; beta Carotene; Biological Availability; Carotenoids; Cyanobacteria; Eating; Feces; Female; Liver; Male; Rats; Rats, Inbred Strains; Vitamin A; Weight Gain | 1991 |
Binding of retinoids and beta-carotene to beta-lactoglobulin. Influence of protein modifications.
Topics: beta Carotene; Carotenoids; Diterpenes; Kinetics; Lactoglobulins; Protein Binding; Retinoids; Retinyl Esters; Spectrometry, Fluorescence; Tretinoin; Vitamin A | 1991 |
Determinants of plasma retinol, beta-carotene, and alpha-tocopherol during adolescence.
Topics: Adipose Tissue; Adolescent; beta Carotene; Body Composition; Carotenoids; Child; Diet; Female; Humans; Lipids; Male; Regression Analysis; Sexual Maturation; Vitamin A; Vitamin E | 1991 |
Beta-carotene and cancer prevention: the Basel Study.
Topics: Adult; Age Factors; Ascorbic Acid; beta Carotene; Carotenoids; Cholesterol; Cohort Studies; Follow-Up Studies; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Neoplasms; Prospective Studies; Risk Factors; Sex Factors; Smoking; Stomach Neoplasms; Switzerland; Triglycerides; Vitamin A; Vitamin E | 1991 |
Antioxidant vitamins and beta-carotene: effects on immunocompetence.
Topics: Antibody Formation; beta Carotene; Carotenoids; Humans; Immunity, Cellular; Immunocompetence; Vitamin A; Vitamin E | 1991 |
The A team. Vitamin A and its cousins are potent regulators of cells.
Topics: Animals; beta Carotene; Carotenoids; Cell Physiological Phenomena; Cells; Humans; Isotretinoin; Neoplasms; Vitamin A | 1991 |
Changes in vitamin and mineral intakes and serum concentrations among free-living men on cholesterol-lowering diets: the Dietary Alternatives Study.
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Diet; Dietary Fats; Energy Intake; Folic Acid; Humans; Hypercholesterolemia; Magnesium; Male; Minerals; Niacin; Selenium; Vitamin A; Vitamin E; Vitamins; Zinc | 1991 |
Plasma levels of antioxidant beta-carotene and alpha-tocopherol in uterine cervix dysplasias and cancer.
Topics: Adolescent; Adult; Age Factors; Analysis of Variance; beta Carotene; Carotenoids; Female; Free Radicals; Humans; Middle Aged; Regression Analysis; Smoking; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms; Vitamin A; Vitamin E | 1991 |
A case-control study of dietary carotene in men with lung cancer and in men with other epithelial cancers.
Topics: Aged; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Case-Control Studies; Diet; Humans; Lung Neoplasms; Male; Middle Aged; Odds Ratio; Risk Factors; Smoking; Surveys and Questionnaires; Vitamin A; Vitamin E; Zinc | 1991 |
Beta-carotene and vitamin A effects on bovine phagocyte function in vitro during the peripartum period.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Labor, Obstetric; Milk; Phagocytes; Phagocytosis; Pregnancy; Pregnancy, Animal; Staphylococcus aureus; Tretinoin; Vitamin A | 1991 |
Exposure to the carcinogen benzopyrene depletes tissue vitamin A: beta-carotene prevents depletion.
Topics: Analysis of Variance; Animals; Benzopyrenes; beta Carotene; Carotenoids; Intestine, Small; Liver; Male; Rats; Tissue Distribution; Vitamin A | 1991 |
In vitro effects of beta-carotene and vitamin A on peripartum bovine peripheral blood mononuclear cell proliferation.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cells, Cultured; Female; Labor, Obstetric; Leukocytes, Mononuclear; Lymphocyte Activation; Postpartum Period; Pregnancy; Pregnancy, Animal; Tretinoin; Vitamin A | 1991 |
[Nitrates and nitrites and the utilization of beta-carotene. II. Determining the threshold of the tolerated dose of nitrates and nitrites in the diet of rats receiving beta-carotene].
Topics: Animal Feed; Animals; beta Carotene; Carotenoids; Dose-Response Relationship, Drug; Liver; Male; Maximum Allowable Concentration; Models, Biological; Nitrates; Potassium Compounds; Rats; Rats, Inbred Strains; Sodium Nitrite; Vitamin A | 1990 |
Vitamins and lung cancer.
Topics: beta Carotene; Carotenoids; Humans; Lung Neoplasms; Nutritional Requirements; Retrospective Studies; Risk Factors; Vitamin A; Vitamin A Deficiency | 1990 |
Beta-carotene in tube feeding.
Topics: Adult; Aged; beta Carotene; Carotenoids; Chronic Disease; Enteral Nutrition; Humans; Middle Aged; Nutritional Requirements; Pilot Projects; Vitamin A; Vitamin E | 1990 |
Serum concentrations of carotenoids, retinol, and alpha-tocopherol in healthy persons determined by high-performance liquid chromatography.
Topics: Adolescent; Adult; Aged; Aging; beta Carotene; Canthaxanthin; Carotenoids; Child; Chromatography, High Pressure Liquid; Cryptoxanthins; Female; Humans; Lycopene; Male; Middle Aged; Reference Values; Sex Characteristics; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1990 |
[Effect of carotenoids on selected indicators of cellular immunity in cockerels receiving food with high level of vitamin A].
Topics: Adjuvants, Immunologic; Animal Feed; Animals; beta Carotene; Carotenoids; Chickens; Food, Fortified; Lymphocyte Activation; Male; Neutrophils; Phagocytosis; Vitamin A | 1990 |
Hypercarotenemia in children with Down's syndrome.
Topics: Adolescent; beta Carotene; Carotenoids; Child; Child, Preschool; Down Syndrome; Female; Humans; Hypervitaminosis A; Infant; Male; Reference Values; Vitamin A | 1990 |
The effect of retinoids, carotenoids and phenolics on chromosomal instability of bovine papillomavirus DNA-carrying cells.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Bovine papillomavirus 1; Canthaxanthin; Carotenoids; Catechin; Cell Line, Transformed; Cell Transformation, Viral; Chromosomes; Curcumin; DNA, Viral; Ellagic Acid; Eugenol; Micronucleus Tests; Mitosis; Papillomaviridae; Pyrogallol; Tretinoin; Vitamin A | 1990 |
Diet, tobacco use, and fatal prostate cancer: results from the Lutheran Brotherhood Cohort Study.
Topics: Adult; Aged; Alcoholic Beverages; beta Carotene; Carotenoids; Coffee; Cohort Studies; Diet; Humans; Male; Middle Aged; Nicotiana; Plants, Toxic; Prostatic Neoplasms; Risk Factors; Smoking; Vitamin A | 1990 |
Influence of dietary fats and vitamin E on plasma and hepatic vitamin A and beta-carotene levels in rats fed excess beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Dietary Fats; Liver; Male; Rats; Rats, Inbred WKY; Vitamin A; Vitamin E | 1990 |
Breast cancer and dietary and plasma concentrations of carotenoids and vitamin A.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Breast Neoplasms; Carotenoids; Case-Control Studies; Diet; Female; Humans; Lycopene; Middle Aged; Risk; Vitamin A | 1990 |
Serum vitamin A and subsequent risk of cancer: cancer incidence follow-up of the Finnish Mobile Clinic Health Examination Survey.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; beta Carotene; Blood Pressure; Carotenoids; Female; Finland; Humans; Longitudinal Studies; Male; Mass Screening; Middle Aged; Neoplasms; Parity; Registries; Risk Factors; Sex Factors; Smoking; Vitamin A; Vitamin E | 1990 |
Parenteral beta-carotene administration to cows: effect on plasma levels, lipoprotein distribution and secretion in the milk.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Injections, Intramuscular; Injections, Intravenous; Lipoproteins; Lipoproteins, HDL; Lipoproteins, LDL; Lipoproteins, VLDL; Milk; Vitamin A | 1990 |
[Nitrates and nitrites and the utilization of beta-carotene. I. The effect of different amounts of dietary nitrates and nitrites on the utilization of beta-carotene in rats].
Topics: Animals; beta Carotene; Body Weight; Carotenoids; Liver; Male; Nitrates; Nitrites; Rats; Rats, Inbred Strains; Vitamin A | 1990 |
Vitamin A metabolism in the human intestinal Caco-2 cell line.
Topics: Acyltransferases; Adenocarcinoma; Alcohol Oxidoreductases; beta Carotene; Carotenoids; Cell Line; Colonic Neoplasms; Cytosol; Humans; Kinetics; Microsomes; Retinol O-Fatty-Acyltransferase; Retinol-Binding Proteins; Retinol-Binding Proteins, Cellular; Vitamin A | 1990 |
Relationships of vitamins A and E and beta-carotene serum levels to head and neck cancer patients with and without second primary tumors.
Topics: beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Head and Neck Neoplasms; Humans; Neoplasms, Multiple Primary; Vitamin A; Vitamin E | 1990 |
Simultaneous, high-performance liquid chromatographic analysis of retinol, tocopherols, lycopene, and alpha- and beta-carotene in serum and plasma.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Lycopene; Male; Reference Values; Sex Factors; Solvents; Vitamin A; Vitamin E | 1990 |
Determination of retinol, alpha-tocopherol, and beta-carotene in serum by liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Indicators and Reagents; Isomerism; Spectrophotometry; Vitamin A; Vitamin E | 1990 |
Quantification and characteristics of retinoid synthesis from retinol and beta-carotene in tissue fractions and established cell lines.
Topics: Animals; beta Carotene; Carotenoids; Cell Line; Chromatography, High Pressure Liquid; Cytosol; Hydrogen-Ion Concentration; Kidney; Liver; Lung; Male; NAD; Rats; Retinoids; Subcellular Fractions; Testis; Vitamin A | 1990 |
The metabolism of [14C]beta-carotene and the presence of other carotenoids in rats and monkeys.
Topics: Absorption; Animals; beta Carotene; Carotenoids; Diet; Female; Liver; Macaca mulatta; Organ Specificity; Rats; Rats, Inbred Strains; Time Factors; Vitamin A; Vitamin D | 1990 |
Carotenoids of human colostrum.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Colostrum; Cryptoxanthins; Female; Humans; Lactation; Lutein; Lycopene; Parity; Reference Values; Spectrophotometry; Vitamin A; Xanthophylls; Zeaxanthins | 1990 |
A case-control study of diet and benign proliferative epithelial disorders of the breast.
Topics: Adult; Aged; beta Carotene; Biopsy; Breast; Breast Diseases; Carotenoids; Case-Control Studies; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Energy Intake; Epithelium; Female; Humans; Middle Aged; Vitamin A | 1990 |
Beta-carotene induces morphological differentiation and decreases adenylate cyclase activity in melanoma cells in culture.
Topics: Adenylyl Cyclases; Animals; beta Carotene; Carotenoids; Cell Division; Cell Survival; Colforsin; Melanocyte-Stimulating Hormones; Melanoma; Mice; Sodium Fluoride; Tumor Cells, Cultured; Vitamin A | 1990 |
Serologic precursors of cancer. Retinol, carotenoids, and tocopherol and risk of prostate cancer.
Topics: Aged; beta Carotene; Carotenoids; Case-Control Studies; Diet; Humans; Lycopene; Male; Middle Aged; Prostatic Neoplasms; Retinol-Binding Proteins; Risk; Vitamin A; Vitamin E | 1990 |
Zone II flexor tendon repair: effects of vitamins A, E, beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Chickens; Foot; Tendon Injuries; Vitamin A; Vitamin E; Wound Healing | 1990 |
Determinants of plasma retinol, beta-carotene, and alpha-tocopherol.
Topics: Aged; Aged, 80 and over; Alcohol Drinking; beta Carotene; Carotenoids; Humans; Middle Aged; Smoking; Vitamin A; Vitamin E | 1990 |
[The vitamin A supply of laying hens including during rearing. 2. Effect of varied vitamin A supplementation of mixed feed in rearing on production in the laying period].
Topics: Analysis of Variance; Animal Feed; Animals; beta Carotene; Carotenoids; Chickens; Female; Food, Fortified; Oviposition; Vitamin A | 1990 |
Dietary beta-carotene and cancer of the prostate: a case-control study in Kyoto, Japan.
Topics: Age Factors; Aged; beta Carotene; Carotenoids; Diet; Dietary Fats; Energy Intake; Humans; Japan; Male; Middle Aged; Prostatic Hyperplasia; Prostatic Neoplasms; Risk Factors; Vitamin A | 1988 |
Vitamin A and beta-carotene concentrations at different depths of the epidermis: a preliminary study in the cow snout.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Epidermis; Keratins; Nose; Vitamin A | 1987 |
The effects of vitamin A, beta-carotene and canthaxanthin on vitamin A metabolism and immune responses in the chick.
Topics: Animals; beta Carotene; Canthaxanthin; Carotenoids; Chickens; Eating; Jejunum; Liver; Lymphocyte Activation; Male; T-Lymphocytes; Vitamin A | 1989 |
Vegetable consumption and lung cancer risk: a population-based case-control study in Hawaii.
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Dietary Fiber; Epidemiologic Methods; Female; Folic Acid; Hawaii; Humans; Lung Neoplasms; Male; Risk; Smoking; Vegetables; Vitamin A | 1989 |
Carotenoids and retinoids in Finnish foods: dairy products and eggs.
Topics: Animals; beta Carotene; Carotenoids; Cheese; Chromatography, High Pressure Liquid; Dairy Products; Egg Yolk; Eggs; Finland; Humans; Lutein; Milk; Milk, Human; Pigments, Biological; Retinoids; Vitamin A; Xanthophylls; Zeaxanthins | 1989 |
Development and relative validity of a food frequency questionnaire for the estimation of intake of retinol and beta-carotene.
Topics: Adult; beta Carotene; Carotenoids; Eating; Female; Food Analysis; Humans; Middle Aged; Netherlands; Nutrition Surveys; Surveys and Questionnaires; Vitamin A | 1989 |
Chemopreventive trials with vitamin A and beta-carotene: some unresolved issues.
Topics: Antineoplastic Combined Chemotherapy Protocols; Areca; beta Carotene; Carotenoids; Humans; India; Leukoplakia, Oral; Micronuclei, Chromosome-Defective; Plants, Medicinal; Vitamin A | 1989 |
Serum vitamins A and E, beta-carotene, and selenium in patients with breast cancer.
Topics: beta Carotene; Breast Diseases; Breast Neoplasms; Carotenoids; Case-Control Studies; Female; Humans; Middle Aged; Prealbumin; Retinol-Binding Proteins; Selenium; Vitamin A; Vitamin E | 1989 |
Beta-carotene supplementation of turkey diets varying in fat and retinol.
Topics: Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Body Weight; Bone Density; Carotenoids; Dietary Fats; Liver; Male; Tibia; Turkeys; Vitamin A | 1989 |
Cancer mortality and vitamin E status.
Topics: Adult; Aged; Ascorbic Acid; beta Carotene; Bronchial Neoplasms; Carotenoids; Colonic Neoplasms; Humans; Lipids; Middle Aged; Neoplasms; Prospective Studies; Risk Factors; Stomach Neoplasms; Vitamin A; Vitamin E | 1989 |
Nutritional effects on hematological and immunological responses of mice exposed to diacetoxyscirpenol (DAS).
Topics: Animals; beta Carotene; Carotenoids; Disease Susceptibility; Diterpenes; Leukopenia; Lymphocyte Activation; Male; Mice; Mitogens; Mycotoxins; Retinyl Esters; Salmonella Infections, Animal; Sesquiterpenes; Trichothecenes; Vitamin A; Vitamin E | 1989 |
Beta-carotene supplementation associated with intermittent retinol administration in the treatment of premenopausal mastodynia.
Topics: Adult; beta Carotene; Carotenoids; Drug Therapy, Combination; Female; Humans; Mastitis; Menopause; Vitamin A | 1989 |
Comparative antimutagenicity of 5 compounds against 5 mutagenic complex mixtures in Salmonella typhimurium strain TA98.
Topics: Air; Ascorbic Acid; beta Carotene; Carotenoids; Chlorophyll; Chlorophyllides; Coal; Dust; Fuel Oils; Meat; Mutagenicity Tests; Mutagens; Nicotiana; Plants, Toxic; Salmonella typhimurium; Vitamin A; Vitamin E | 1989 |
Relationship of plasma beta-carotene and vitamin A to luteal function in postpartum cattle.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Corpus Luteum; Female; Luteinizing Hormone; Pituitary Hormone-Releasing Hormones; Postpartum Period; Pregnancy; Progesterone; Seasons; Vitamin A | 1989 |
Dietary beta-carotene absorption and metabolism in ferrets and rats.
Topics: Adipose Tissue; Animals; beta Carotene; Carnivora; Carotenoids; Diet; Female; Ferrets; Humans; Intestinal Absorption; Liver; Male; Rats; Rats, Inbred Strains; Tissue Distribution; Vitamin A | 1989 |
Effect of dietary lipids on hepatic and plasma beta-carotene and vitamin A levels in rats fed beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Dietary Fats; Dietary Fats, Unsaturated; Liver; Male; Rats; Rats, Inbred WKY; Vitamin A | 1989 |
Vitamin A activity of buriti (Mauritia vinifera Mart) and its effectiveness in the treatment and prevention of xerophthalmia.
Topics: beta Carotene; Brazil; Candy; Carotenoids; Child; Child, Preschool; Fruit; Humans; Plant Oils; Vitamin A; Xerophthalmia | 1989 |
Serologic precursors of cancer: serum micronutrients and the subsequent risk of pancreatic cancer.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Female; Humans; Lycopene; Male; Middle Aged; Pancreatic Neoplasms; Retinol-Binding Proteins; Risk Factors; Selenium; Smoking; Vitamin A; Vitamin E | 1989 |
Retinol, beta-carotene and alpha-tocopherol status in a French population of healthy children.
Topics: Adolescent; Avitaminosis; beta Carotene; Carotenoids; Child; Child, Preschool; Female; France; Humans; Infant; Male; Vitamin A; Vitamin E | 1989 |
Beta-carotene and aryl hydrocarbon hydroxylase in the rat: an effect of beta-carotene independent of vitamin A activity.
Topics: Animals; Aryl Hydrocarbon Hydroxylases; Benzopyrenes; beta Carotene; Body Weight; Carotenoids; Diet; Male; Rats; Rats, Inbred Strains; Vitamin A | 1989 |
Zinc, vitamins A and E, and retinol-binding protein in sera of patients with cancer of the larynx.
Topics: Aged; beta Carotene; Carotenoids; Copper; Female; Humans; Laryngeal Neoplasms; Male; Middle Aged; Neoplasm Staging; Retinol-Binding Proteins; Serum Albumin; Statistics as Topic; Vitamin A; Vitamin E; Zinc | 1989 |
Rabbits fed on beta-carotene have higher serum levels of all-trans retinoic acid than those receiving no beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Diterpenes; Drug Administration Schedule; Female; Liver; Rabbits; Retinyl Esters; Tretinoin; Vitamin A | 1989 |
Selenium, lycopene, alpha-tocopherol, beta-carotene, retinol, and subsequent bladder cancer.
Topics: Adult; Age Factors; Aged; beta Carotene; Biomarkers, Tumor; Carotenoids; Case-Control Studies; Female; Humans; Lycopene; Male; Middle Aged; Retinol-Binding Proteins; Selenium; Sex Factors; Smoking; Surveys and Questionnaires; Urinary Bladder Neoplasms; Vitamin A; Vitamin E | 1989 |
Effects of smoking and oral contraception on plasma beta-carotene levels in healthy women.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Contraceptives, Oral; Female; Humans; Reference Values; Smoking; Vitamin A | 1989 |
Plasma retinol, beta-carotene and vitamin E levels in relation to the future risk of pre-eclampsia.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Pre-Eclampsia; Predictive Value of Tests; Pregnancy; Pregnancy Trimester, Third; Vitamin A; Vitamin E; Vitamins | 1989 |
Changes in plasma vitamin levels in the first 48 hours after onset of acute myocardial infarction.
Topics: Aged; beta Carotene; Calcifediol; Carotenoids; Case-Control Studies; Female; Humans; Male; Middle Aged; Myocardial Infarction; Time Factors; Vitamin A; Vitamin E; Vitamins | 1989 |
Dietary factors and the risk of breast cancer.
Topics: Adult; Aged; Alcohol Drinking; beta Carotene; Breast Neoplasms; Carotenoids; Dietary Fats; Dietary Fiber; Epidemiologic Methods; Feeding Behavior; Female; Humans; Italy; Meat; Middle Aged; Vitamin A | 1987 |
Comparative antimutagenicity of chlorophyllin and five other agents against aflatoxin B1-induced reversion in Salmonella typhimurium strain TA98.
Topics: Aflatoxin B1; Aflatoxins; Ascorbic Acid; beta Carotene; Carotenoids; Chlorophyll; Chlorophyllides; Mutagenicity Tests; Mutation; Salmonella typhimurium; Tretinoin; Vitamin A; Vitamin E; Vitamins | 1988 |
Nutrition and diet in the etiology of endometrial cancer.
Topics: Aged; Alcohol Drinking; beta Carotene; Body Weight; Carotenoids; Diet; Dietary Fats; Dietary Fiber; Epidemiologic Methods; Female; Humans; Italy; Middle Aged; Nutritional Physiological Phenomena; Obesity; Risk; Uterine Neoplasms; Vitamin A | 1986 |
[Effect of natural low- and high-fiber diets on beta-carotene conversion to vitamin A].
Topics: Animals; beta Carotene; Carotenoids; Dietary Fiber; Male; Rats; Rats, Inbred Strains; Vitamin A | 1986 |
The retinoid status of kidney transplant recipients.
Topics: beta Carotene; Carotenoids; Humans; Immunosuppressive Agents; Kidney Transplantation; Prealbumin; Retinoids; Retinol-Binding Proteins; Vitamin A; Vitamin E | 1988 |
Effect of beta-carotene and canthaxanthin on the immune responses of the rat.
Topics: Animals; B-Lymphocytes; beta Carotene; Canthaxanthin; Carotenoids; Concanavalin A; Immunity; Lipopolysaccharides; Liver; Male; Phytohemagglutinins; Rats; Rats, Inbred WKY; T-Lymphocytes; Vitamin A; Vitamin E | 1986 |
[Levels of thyroxine, beta carotene and vitamin A during successful and unsuccessful insemination of heifers].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Insemination, Artificial; Pregnancy; Thyroxine; Vitamin A | 1986 |
The effect of different levels of dietary beta-carotene on DMBA-induced salivary gland tumors.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; beta Carotene; Carotenoids; Diet; Dose-Response Relationship, Drug; Liver; Male; Rats; Rats, Inbred Strains; Salivary Gland Neoplasms; Salivary Glands; Vitamin A | 1987 |
Inhibition of arachidonic acid oxidation by beta-carotene, retinol and alpha-tocopherol.
Topics: Animals; Arachidonic Acid; Arachidonic Acids; beta Carotene; Carotenoids; Cattle; Hydroxyeicosatetraenoic Acids; In Vitro Techniques; Kidney; Male; Oxidation-Reduction; Prostaglandins; Seminal Vesicles; Vitamin A; Vitamin E | 1987 |
Effects of excess vitamin A and canthaxanthin on salivary gland tumors.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; beta Carotene; Canthaxanthin; Carotenoids; Diterpenes; Male; Rats; Rats, Inbred Strains; Retinyl Esters; Salivary Gland Neoplasms; Tissue Distribution; Vitamin A | 1988 |
Photoprotective effect of vitamins A and E on polyamine and oxygenated free radical metabolism in hairless mouse epidermis.
Topics: Animals; beta Carotene; Butylated Hydroxytoluene; Carotenoids; Epidermis; Female; Free Radicals; Humans; Malondialdehyde; Mice; Mice, Hairless; Oxygen; Polyamines; Radiation-Protective Agents; Ultraviolet Rays; Vitamin A; Vitamin E | 1988 |
Serum retinol and prostate cancer.
Topics: Age Factors; Aged; beta Carotene; Carotenoids; Humans; Male; Middle Aged; Neoplasm Staging; Prostatic Neoplasms; Risk Factors; Vitamin A; Vitamin E | 1988 |
Inhibition of adriamycin-promoted microsomal lipid peroxidation by beta-carotene, alpha-tocopherol and retinol at high and low oxygen partial pressures.
Topics: Animals; beta Carotene; Carotenoids; Doxorubicin; Lipid Peroxidation; Microsomes, Liver; NADP; Oxygen; Partial Pressure; Rats; Rats, Inbred Strains; Vitamin A; Vitamin E | 1988 |
Dietary vitamin A, beta-carotene and risk of epidermoid lung cancer among Chinese males.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; China; Dose-Response Relationship, Drug; Feeding Behavior; Humans; Lung Neoplasms; Male; Middle Aged; Risk Factors; Smoking; Vitamin A | 1988 |
Metabolic and nutritional parameters in patients after colonic polypectomy.
Topics: Acetates; Adult; Aged; Antioxidants; beta Carotene; Breath Tests; Carotenoids; Colonic Neoplasms; Female; Humans; Hydrogen; Intestinal Polyps; Male; Methane; Middle Aged; Selenium; Vitamin A | 1988 |
Bovine vitamin A and beta-carotene intake and lactational status. 1. Responsiveness of peripheral blood polymorphonuclear leukocytes to vitamin A and beta-carotene challenge in vitro.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Lactation; Neutrophils; Pregnancy; Vitamin A | 1988 |
Bovine vitamin A and beta-carotene intake and lactational status. 2. Responsiveness of mitogen-stimulated peripheral blood lymphocytes to vitamin A and beta-carotene challenge in vitro.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Concanavalin A; Female; Lactation; Lipopolysaccharides; Lymphocytes; Mitogens; Pregnancy; Vitamin A | 1988 |
Serum levels of carcinomedin (1-keto-24-methyl-25-hydroxycholecalciferol) as an indicator of the progression of cancer. Preliminary results of a prospective study.
Topics: Adult; Aged; beta Carotene; Biomarkers, Tumor; Calcitriol; Carotenoids; Female; Humans; Male; Middle Aged; Neoplasms; Prospective Studies; Vitamin A; Vitamin E | 1988 |
[Blood studies of the vitamin A and beta-carotene content of the blood plasma of infertile cows].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cattle Diseases; Endometritis; Female; Infertility, Female; Ovarian Cysts; Vitamin A | 1988 |
Blood selenium concentrations and glutathione peroxidase activities in dairy herds with high and low somatic cell counts.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cell Count; Female; Glutathione Peroxidase; Mastitis, Bovine; Milk; Regression Analysis; Selenium; Staphylococcal Infections; Staphylococcus aureus; Streptococcal Infections; Streptococcus agalactiae; Vitamin A; Vitamin E | 1987 |
The relationship of dietary intake and serum levels of retinol and beta-carotene with breast cancer. Results of a case-control study.
Topics: Adult; Aged; beta Carotene; Breast Neoplasms; Carotenoids; Diet; Female; Humans; Middle Aged; Risk Factors; Vitamin A | 1988 |
Effects of beta-carotene and retinyl palmitate on corn oil-induced superoxide dismutase and catalase in rats.
Topics: Administration, Oral; Animals; beta Carotene; Carotenoids; Catalase; Cholesterol, HDL; Corn Oil; Diterpenes; Enzyme Induction; Liver; Liver Neoplasms, Experimental; Male; Rats; Rats, Inbred BUF; Retinyl Esters; Superoxide Dismutase; Vitamin A | 1988 |
Concurrent liquid-chromatographic assay of retinol, alpha-tocopherol, beta-carotene, alpha-carotene, lycopene, and beta-cryptoxanthin in plasma, with tocopherol acetate as internal standard.
Topics: alpha-Tocopherol; beta Carotene; Carotenoids; Chromatography, Liquid; Cryptoxanthins; Humans; Lycopene; Quality Control; Sodium Dodecyl Sulfate; Tocopherols; Vitamin A; Vitamin E; Xanthophylls | 1988 |
Vitamin A, beta-carotene, and the risk of cancer.
Topics: beta Carotene; Carotenoids; Humans; Neoplasms; Risk Factors; Vitamin A | 1988 |
Plasma retinol, beta-carotene and vitamin E levels in relation to the future risk of breast cancer.
Topics: beta Carotene; Blood Preservation; Breast Neoplasms; Carotenoids; Female; Humans; Risk Factors; Vitamin A; Vitamin E | 1988 |
Concentrations of vitamin A, beta-carotene and vitamin E in individual bovine follicles of different quality.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Fertility; Male; Ovarian Follicle; Vitamin A; Vitamin E | 1988 |
Comparative role of retinol, retinoic acid and beta-carotene on progesterone secretion by pig corpus luteum in vitro.
Topics: Animals; beta Carotene; Carotenoids; Cells, Cultured; Corpus Luteum; Female; Luteinizing Hormone; Progesterone; Swine; Tretinoin; Vitamin A | 1988 |
A case-control study of prostatic cancer with reference to dietary habits.
Topics: Aged; Basidiomycota; beta Carotene; Bread; Carotenoids; Diet; Humans; Japan; Male; Middle Aged; Nutritional Physiological Phenomena; Prostatic Neoplasms; Risk Factors; Vitamin A | 1988 |
Dietary vitamin A and the risk of intraepithelial and invasive cervical neoplasia.
Topics: Adolescent; Adult; Age Factors; Aged; beta Carotene; Carcinoma in Situ; Carotenoids; Diet; Diet Surveys; Female; Humans; Italy; Middle Aged; Risk Factors; Socioeconomic Factors; Uterine Cervical Neoplasms; Vitamin A; Vitamin A Deficiency | 1988 |
Nutrients in diet and plasma and risk of in situ cervical cancer.
Topics: Adult; Aged; Ascorbic Acid; Australia; beta Carotene; Carcinoma in Situ; Carotenoids; Diet; Female; Humans; Middle Aged; Precancerous Conditions; Uterine Cervical Neoplasms; Vitamin A | 1988 |
The role of intervention studies in ascertaining the contribution of dietary factors in lung cancer. The Seattle chemoprevention trial of retinoids in asbestos-exposed workers.
Topics: Asbestos; beta Carotene; Carotenoids; Diet; Humans; Lung Neoplasms; Occupational Diseases; Preventive Medicine; Retinoids; Vitamin A | 1988 |
Effect of beta-carotene and vitamin A on progesterone production by bovine luteal cells.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Corpus Luteum; Female; In Vitro Techniques; Luteal Cells; Progesterone; Vitamin A | 1988 |
The beta-carotene-rich alga Dunaliella bardawil as a source of retinol in a rat diet.
Topics: Animals; beta Carotene; Carotenoids; Chlorophyta; Chromatography, High Pressure Liquid; Diet; Liver; Male; Rats; Spectrophotometry; Vitamin A | 1988 |
[The interrelation between changes in the mucous membrane of the esophagus in precancerous esophageal diseases and blood levels of vitamin A, beta-carotene and riboflavin].
Topics: beta Carotene; Carotenoids; Esophageal Neoplasms; Esophagus; Humans; Precancerous Conditions; Riboflavin; Vitamin A | 1988 |
[Relationship between ovarian cysts and the concentration of beta-carotene, vitamin E and vitamin A in the serum of dairy cows].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cattle Diseases; Female; Ovarian Cysts; Vitamin A; Vitamin E | 1988 |
Uptake and metabolism of beta-carotene and retinal by C3H/10T1/2 cells.
Topics: Animals; beta Carotene; Biological Transport; Biotransformation; Carotenoids; Cell Line; Chromatography, High Pressure Liquid; Mice; Retinaldehyde; Retinoids; Time Factors; Vitamin A | 1988 |
Association of food frequency questionnaire estimates of vitamin A intake with serum vitamin A levels.
Topics: Aged; Alcohol Drinking; beta Carotene; Body Weight; Carotenoids; Diet Surveys; Female; Humans; Male; Middle Aged; Nutrition Surveys; Regression Analysis; Smoking; Surveys and Questionnaires; Vitamin A | 1988 |
The vitamin A activity of beta-carotene in growing pigs. 1. Effect of a supplementation of a grain soya bean meal diet with vitamin A or beta-carotene on the liver vitamin A storage.
Topics: Animal Feed; Animals; beta Carotene; Body Weight; Carotenoids; Eating; Glycine max; Liver; Quinoxalines; Swine; Vitamin A | 1988 |
Effects of beta-carotene and vitamin A on progesterone production by cultured bovine granulosa cells.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cells, Cultured; Female; Granulosa Cells; Progesterone; Vitamin A | 1987 |
Vitamin A and female lung cancer: a case-control study on plasma and diet.
Topics: Aged; beta Carotene; Carotenoids; Diet; Epidemiologic Methods; Female; Humans; Lung Neoplasms; Middle Aged; Smoking; Vitamin A | 1987 |
Fat soluble vitamins and cancer localization associated to an abnormal ketone derivative of D3 vitamin: carcinomedin.
Topics: Adult; beta Carotene; Breast Neoplasms; Calcitriol; Carotenoids; Digestive System Neoplasms; Female; Humans; Intestinal Neoplasms; Laryngeal Neoplasms; Lung Neoplasms; Male; Middle Aged; Neoplasms; Nervous System Neoplasms; Urogenital Neoplasms; Vitamin A; Vitamin E | 1987 |
Plasma vitamin C and cancer death: the prospective Basel Study.
Topics: Aged; Ascorbic Acid; beta Carotene; Carotenoids; Colonic Neoplasms; Humans; Lung Neoplasms; Male; Middle Aged; Neoplasms; Prospective Studies; Rectal Neoplasms; Smoking; Stomach Neoplasms; Switzerland; Vitamin A; Vitamin E | 1987 |
Vitamin A, beta-carotene, and the risk of cancer: a prospective study.
Topics: beta Carotene; Carotenoids; Diet; Female; Humans; Lung Neoplasms; Male; Neoplasms; Prospective Studies; Risk; Smoking; Vitamin A | 1987 |
Micronutrient assay for cancer prevention clinical trials: serum retinol, retinyl palmitate, alpha-carotene, and beta-carotene with the use of high-performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Diterpenes; Humans; Individuality; Neoplasms; Retinyl Esters; Vitamin A | 1987 |
Plasma levels of antioxidant vitamins in relation to ischemic heart disease and cancer.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Coronary Disease; Cross-Cultural Comparison; Cross-Sectional Studies; Humans; Male; Middle Aged; Neoplasms; Prospective Studies; Vitamin A; Vitamin E; Vitamins | 1987 |
No tissue level abnormality of vitamin A concentration despite elevated serum vitamin A of uremic patients.
Topics: Adult; beta Carotene; Carotenoids; Cholesterol; Female; Humans; Hyperparathyroidism; Kidney Failure, Chronic; Kidney Transplantation; Male; Middle Aged; Osteomalacia; Prealbumin; Renal Dialysis; Retinol-Binding Proteins; Tissue Distribution; Triglycerides; Vitamin A | 1986 |
Intra- and interindividual variation in measurements of beta-carotene, retinol, and tocopherols in diet and plasma.
Topics: Adult; beta Carotene; Carotenoids; Diet; Humans; Male; Mental Recall; Middle Aged; Statistics as Topic; Triglycerides; Vitamin A; Vitamin E | 1987 |
Adverse effect of beta-carotene in diet on fertility of dairy cows.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cholesterol; Diterpenes; Female; Fertility; Lactation; Pregnancy; Retinyl Esters; Vitamin A; Vitamin E | 1987 |
Essential micronutrients in relation to carcinogenesis.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; Humans; Lung Neoplasms; Male; Middle Aged; Prospective Studies; Selenium; Uric Acid; Vitamin A; Vitamins | 1987 |
Retinol, beta-carotene and alpha-tocopherol status in a French population of healthy subjects.
Topics: Adult; beta Carotene; Carotenoids; Female; France; Humans; Male; Middle Aged; Nutritional Status; Reference Values; Vitamin A; Vitamin E | 1987 |
[Effect of dietary zinc deficiency on vitamin A and alpha-tocopherol metabolism in the rat].
Topics: Animals; beta Carotene; Carotenoids; Liver; Male; Rats; Rats, Inbred Strains; Vitamin A; Vitamin E; Zinc | 1987 |
Determination of retinol, alpha-tocopherol, and beta-carotene in serum by liquid chromatography with absorbance and electrochemical detection.
Topics: beta Carotene; Carotenoids; Chromatography, Liquid; Electrochemistry; Humans; Indicators and Reagents; Isomerism; Spectrophotometry; Vitamin A; Vitamin E | 1987 |
Micronutrients and cancer prevention: are the RDAs adequate?
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Diet; Humans; Neoplasms; Nutritional Physiological Phenomena; Selenium; Vitamin A; Vitamin E; Vitamins | 1987 |
Serum beta-carotene, retinol, and alpha-tocopherol levels during mineral oil therapy for constipation.
Topics: Adolescent; beta Carotene; Carotenoids; Child; Child, Preschool; Constipation; Humans; Infant; Mineral Oil; Vitamin A; Vitamin E | 1987 |
Vitamin A status in the grey seal (Halichoerus grypus) on Sable Island.
Topics: Adipose Tissue; Aging; Animals; beta Carotene; Caniformia; Carotenoids; Female; Lactation; Liver; Male; Pregnancy; Seals, Earless; Sex Factors; Vitamin A | 1987 |
Significance of plasma retinol binding protein levels in recurrence of breast tumors in women.
Topics: Antineoplastic Combined Chemotherapy Protocols; beta Carotene; Breast Neoplasms; Carotenoids; Cisplatin; Female; Fluorouracil; Humans; Methotrexate; Neoplasm Proteins; Neoplasm Recurrence, Local; Prealbumin; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Vitamin A | 1987 |
Serologic precursors of cancer. I. Prediagnostic serum nutrients and colon cancer risk.
Topics: Adult; Aged; beta Carotene; Carotenoids; Colonic Neoplasms; Female; Humans; Male; Maryland; Middle Aged; Risk Factors; Selenium; Vitamin A; Vitamin E | 1987 |
The effect of "Ferrodex", vitamin A and "Rovimix beta-carotene" on the iron and copper levels in blood plasma of calves.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Ceruloplasmin; Copper; Female; Ferric Compounds; Iron; Male; Vitamin A | 1987 |
On the importance of beta carotene supplementation for calves.
Topics: Animal Feed; Animals; beta Carotene; Carotenoids; Cattle; Female; Male; Nutritional Requirements; Time Factors; Vitamin A | 1986 |
Comparison of blood levels of vitamin A, beta-carotene and vitamin E in abruptio placentae with normal pregnancy.
Topics: Abruptio Placentae; beta Carotene; Carotenoids; Female; Folic Acid Deficiency; Humans; Intestinal Absorption; Pregnancy; Vitamin A; Vitamin A Deficiency; Vitamin E; Vitamin E Deficiency | 1986 |
Cancer of the cervix uteri and vitamin A.
Topics: beta Carotene; Carcinoma in Situ; Carotenoids; Contraceptives, Oral; Female; Humans; Neoplasm Invasiveness; Smoking; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms; Vitamin A | 1986 |
Carotenoids, vitamin A and cancer.
Topics: Abnormalities, Drug-Induced; Animals; beta Carotene; Carotenoids; Cattle; Diet; Female; Fruit; Humans; Milk; Neoplasms; Pregnancy; Retinoids; Risk; Vegetables; Vitamin A | 1986 |
Serum vitamin A and carotene levels in Thai cancer patients progress report.
Topics: beta Carotene; Carotenoids; Female; Humans; Male; Neoplasms; Risk; Thailand; Vitamin A | 1986 |
Plasma concentrations of progesterone, estrogens, vitamin A and beta-carotene in cows retaining fetal membranes.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cattle Diseases; Estrogens; Extraembryonic Membranes; Female; Pregnancy; Progesterone; Puerperal Disorders; Vitamin A | 1986 |
Reference intervals for vitamins B1, B2, E, D, retinol, beta-carotene, and folate in blood: usefulness of dietary selection criteria.
Topics: Adolescent; Adult; beta Carotene; Calcifediol; Carotenoids; Diet; Female; Folic Acid; Humans; Male; Reference Standards; Riboflavin; Sex Factors; Thiamine; Vitamin A; Vitamin D; Vitamin E; Vitamins | 1986 |
Serum beta-carotene, vitamins A and E, selenium, and the risk of lung cancer.
Topics: Aged; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Humans; Lung Neoplasms; Male; Maryland; Middle Aged; Risk; Selenium; Smoking; Vitamin A; Vitamin E | 1986 |
Micronutrients and cancer prevention.
Topics: beta Carotene; Carotenoids; Humans; Neoplasms; Vitamin A; Vitamin E | 1986 |
Stability of plasma fatty acids at -20 degrees C and its relationship to antioxidants.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Blood Platelets; Carotenoids; Cholesterol Esters; Fatty Acids; Fatty Acids, Nonesterified; Humans; Male; Middle Aged; Phospholipids; Selenium; Triglycerides; Vitamin A; Vitamin E | 1986 |
Re: "Vitamin measurements in pooled blood samples".
Topics: beta Carotene; Carotenoids; Humans; Vitamin A; Vitamin E | 1987 |
Use of the beta-carotene rich alga Dunaliella bardawil as a source of retinol.
Topics: Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Carotenoids; Chickens; Dietary Proteins; Eukaryota; Vitamin A | 1986 |
Plasma concentrations of beta-carotene and vitamin A in cows with ovarian cyst.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Cattle Diseases; Female; Ovarian Cysts; Vitamin A | 1986 |
[Effects of a beta-carotene supplement on the fertility of cattle. 1. Blood concentration and diagnostic possibilities].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Fertility; Vitamin A; Vitamin E | 1987 |
Correlations of values of micronutrients in sera with gastric pathology.
Topics: Adolescent; Adult; Ascorbic Acid; beta Carotene; Carotenoids; Colombia; Female; Gastric Mucosa; Humans; Male; Middle Aged; Prealbumin; Precancerous Conditions; Retinol-Binding Proteins; Risk; Stomach Neoplasms; Vitamin A; Vitamin E; Vitamins | 1985 |
Nutritional status of the high esophageal cancer risk population in Linxian, People's Republic of China: effects of vitamin supplementation.
Topics: Adult; Aged; beta Carotene; Carotenoids; China; Esophageal Neoplasms; Humans; Middle Aged; Nutritional Physiological Phenomena; Patient Compliance; Risk; Vitamin A; Vitamin E; Vitamins | 1985 |
Smoking and other risk factors for lung cancer in women.
Topics: Adenocarcinoma; beta Carotene; California; Carotenoids; Dairy Products; Diet; Epidemiologic Methods; Female; Humans; Lung Diseases; Lung Neoplasms; Occupations; Population Surveillance; Risk; Smoking; Tobacco Smoke Pollution; Vitamin A | 1985 |
Conversion of thyroxine to triiodothyronine in liver biopsy samples of beta-carotene and vitamin-A supplemented dairy cows.
Topics: Animals; beta Carotene; Biopsy, Needle; Carotenoids; Cattle; Female; Food, Fortified; In Vitro Techniques; Liver; Thyroid Gland; Thyroxine; Triiodothyronine; Vitamin A | 1985 |
Anticlastogenic effect of beta-carotene in Chinese hamsters. Time and dose response studies with different mutagens.
Topics: Alkylating Agents; Animals; beta Carotene; Bone Marrow Cells; Busulfan; Carotenoids; Chromosome Aberrations; Cricetinae; Cricetulus; Cyclophosphamide; Female; Male; Methyl Methanesulfonate; Mutagenicity Tests; Mutagens; Thiotepa; Vitamin A | 1985 |
[Concentrations of thyroxine, beta carotene, vitamin A and pregnancy in heifers after administration of beta carotene].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Fertilization; Insemination, Artificial; Pregnancy; Thyroxine; Vitamin A | 1985 |
Vitamin measurements in pooled blood samples.
Topics: Adult; beta Carotene; Carotenoids; Female; Freezing; Humans; Male; Middle Aged; Preservation, Biological; Specimen Handling; Vitamin A; Vitamin E | 1986 |
[Vitamin A requirement of growing swine. 2. Effect of the vitamin A supply on the vitamin A concentrations in the liver and plasma of piglets and fattening swine].
Topics: Aging; Animal Feed; Animals; Animals, Newborn; beta Carotene; Carotenoids; Colostrum; Liver; Nutritional Requirements; Swine; Vitamin A | 1985 |
Serum vitamin levels and the risk of cancer of specific sites in men of Japanese ancestry in Hawaii.
Topics: beta Carotene; Carotenoids; Hawaii; Humans; Japan; Lung Neoplasms; Male; Middle Aged; Neoplasms; Risk; Vitamin A; Vitamin E; Vitamins | 1985 |
Effects of vitamin A and beta-carotene on reproductive performance in gilts.
Topics: Animals; beta Carotene; Body Weight; Carotenoids; Colostrum; Female; Food, Fortified; Reproduction; Swine; Vitamin A | 1985 |
The vitamin A activity of beta-carotene.
Topics: Animals; beta Carotene; Biological Assay; Carotenoids; Chickens; Diterpenes; Dose-Response Relationship, Drug; Epithelium; Female; Growth; Kinetics; Liver; Male; Rats; Retinyl Esters; Vagina; Vitamin A | 1985 |
An isocratic high-performance liquid chromatography method for the simultaneous analysis of plasma retinol, alpha-tocopherol, and various carotenoids.
Topics: beta Carotene; Carotenoids; China; Chromatography, High Pressure Liquid; Fats; Humans; Lycopene; Solubility; Solvents; Spectrophotometry; Vitamin A; Vitamin E | 1985 |
A pilot beta-carotene intervention trial with Inuits using smokeless tobacco.
Topics: Adolescent; Adult; Aged; beta Carotene; Carotenoids; Child; Chromatin; Humans; Male; Middle Aged; Mouth Mucosa; Mouth Neoplasms; Nicotiana; Plants, Toxic; Seasons; Vitamin A | 1985 |
The effect of beta carotene supplementation on the beta carotene and vitamin A levels of blood plasma and some fertility indices of dairy cows.
Topics: Animal Feed; Animals; beta Carotene; Carotenoids; Cattle; Female; Fertility; Pregnancy; Vitamin A | 1985 |
[High resolution liquid chromatography (HPLC) analysis of the vitamin A and beta-carotene content of heat-treated precooked food].
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Food Analysis; Food Handling; Hot Temperature; Vitamin A | 1985 |
Metabolism and biological activity of citroxanthin (mutatochrome) in rat.
Topics: Administration, Oral; Animals; Avitaminosis; beta Carotene; Carotenoids; Ethers, Cyclic; Intestines; Kidney; Liver; Lung; Rats; Spleen; Vitamin A; Xanthines | 1972 |
Curing early xerophthalmia without vitamin A concentrate.
Topics: beta Carotene; Carotenoids; Child, Preschool; Conjunctival Diseases; Humans; Vitamin A; Xerophthalmia | 1983 |
Human interferon action: reciprocal regulation by retinoic acid and beta-carotene.
Topics: beta Carotene; Carotenoids; Cell Division; Cell Membrane; Cytotoxicity, Immunologic; Histocompatibility Antigens Class II; Humans; Interferons; Lymphocytes; Monocytes; Receptors, Fc; Tretinoin; Vitamin A | 1983 |
The conversion of exogenous retinol and related compounds into retinyl phosphate mannose by adult Brugia pahangi in vitro.
Topics: Animals; beta Carotene; Brugia; Carotenoids; Chromatography, Thin Layer; Diterpenes; Filarioidea; Guanosine Diphosphate Mannose; Male; Microsomes; Microsomes, Liver; Polyisoprenyl Phosphate Monosaccharides; Polyisoprenyl Phosphate Sugars; Rats; Rats, Inbred Strains; Vitamin A | 1983 |
Morbidity and mortality reduction by supplemental vitamin A or beta-carotene in CBA mice given total-body gamma-radiation.
Topics: Adrenal Glands; Animals; beta Carotene; Body Weight; Carotenoids; Dose-Response Relationship, Radiation; Gamma Rays; Leukocytes; Male; Mice; Mice, Inbred CBA; Thymus Gland; Vitamin A; Whole-Body Irradiation | 1984 |
Hypocholesterolaemia and non-cardiovascular disease: metabolic studies on subjects with low plasma cholesterol concentrations.
Topics: Adult; beta Carotene; Carotenoids; Cells, Cultured; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Cholesterol, VLDL; Fibroblasts; Humans; Lipoproteins, HDL; Lipoproteins, LDL; Lipoproteins, VLDL; Lymphocytes; Male; Middle Aged; Neoplasms; Phospholipids; Viscosity; Vitamin A | 1983 |
[Distribution of beta-carotene in serum lipoproteins of dairy cows].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Colostrum; Female; Lipoproteins; Milk; Pregnancy; Vitamin A | 1984 |
Chemopreventive effects of beta-carotene and 13-cis-retinoic acid on salivary gland tumors.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; beta Carotene; Butylated Hydroxytoluene; Carotenoids; Diterpenes; Male; Rats; Rats, Inbred Strains; Retinyl Esters; Salivary Gland Neoplasms; Submandibular Gland Neoplasms; Time Factors; Tretinoin; Vitamin A | 1984 |
Micronutrients and cancer chemoprevention.
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Humans; Neoplasms; Nutritional Physiological Phenomena; Random Allocation; Selenium; Vitamin A; Vitamin E; Vitamins | 1984 |
Alternatives in the collection and analysis of food frequency interview data.
Topics: Adult; Aged; beta Carotene; Carotenoids; Data Collection; Diet Surveys; Female; Food; Humans; Interviews as Topic; Lung Neoplasms; Male; Middle Aged; New Mexico; Nutrition Surveys; Regression Analysis; Surveys and Questionnaires; Vitamin A | 1984 |
Peripartum changes of plasma and milk vitamin A and beta-carotene among dairy cows with or without mastitis.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Mastitis, Bovine; Milk; Pregnancy; Pregnancy Complications, Infectious; Puerperal Infection; Vitamin A | 1984 |
Metabolism of cryptoxanthin in freshwater fish.
Topics: Animals; beta Carotene; Carotenoids; Cryptoxanthins; Fishes; Intestinal Mucosa; Liver; Vitamin A; Vitamin A Deficiency; Xanthophylls | 1984 |
Determination of vitamin A and vitamin A acetate by high-performance liquid chromatography with fluorescence detection.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Diterpenes; Humans; Retinyl Esters; Spectrometry, Fluorescence; Vitamin A | 1984 |
Interrelationships between the gastric cytoprotective effects of vitamin A and beta-carotene and the gastric mucosal superoxide dismutase activity in rats.
Topics: Animals; beta Carotene; Carotenoids; Female; Gastric Mucosa; Male; Rats; Stomach Ulcer; Superoxide Dismutase; Vitamin A | 1984 |
Diet and smoking in the epidemiology of cancer of the cervix.
Topics: Alcohol Drinking; beta Carotene; Carotenoids; Diet; Dietary Fats; Female; Humans; Meat; Risk; Smoking; Uterine Cervical Neoplasms; Vegetables; Vitamin A | 1983 |
Regression of C3HBA mouse tumor due to X-ray therapy combined with supplemental beta-carotene or vitamin A.
Topics: Adenocarcinoma; Animals; beta Carotene; Carotenoids; Male; Mice; Mice, Inbred DBA; Mice, Inbred Strains; Neoplasms, Experimental; Radiotherapy Dosage; Vitamin A | 1983 |
Lipid peroxide, alpha-tocopherol and retinoid levels in plasma and liver of rats fed diets containing beta-carotene and 13-cis-retinoic acid.
Topics: Animals; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Diet; Diterpenes; Isotretinoin; Lipid Peroxides; Liver; Male; Rats; Rats, Inbred Strains; Retinyl Esters; Tretinoin; Vitamin A; Vitamin E; Weaning | 1983 |
Cancer control: X-ray induced C3HBA tumor regression and prevention of its regrowth by beta-carotene or vitamin A.
Topics: Adenocarcinoma; Animals; beta Carotene; Carotenoids; Diet; Male; Mice; Mice, Inbred CBA; Neoplasm Transplantation; Neoplasms, Experimental; Neoplasms, Radiation-Induced; Radiation Dosage; Vitamin A | 1983 |
[Nutritive value of the daily diet of adolescents living in boarding schools. IV. Vitamin A, beta-carotene and alpha-tocopherol contents].
Topics: Adolescent; beta Carotene; Carotenoids; Dietary Services; Humans; Nutritional Physiological Phenomena; Nutritive Value; Poland; School Health Services; Vitamin A; Vitamin E | 1983 |
Gastric cytoprotective effects of vitamin A and other carotenoids.
Topics: Animals; beta Carotene; Carotenoids; Cryptoxanthins; Gastric Mucosa; Hydrochloric Acid; Lutein; Lycopene; Rats; Vitamin A; Xanthophylls; Zeaxanthins | 1983 |
[Rationalization in the problem of drug analysis: HPLC procedures for the contemporaneous determination of retinol, alpha-tocopherol, their esters, beta-carotene and other carotenoids].
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Vitamin A; Vitamin E | 1983 |
Biological fate of the vitamin A transporting protein complex and beta-carotene after excessive dietary intake. Report of a case.
Topics: Adult; beta Carotene; Carotenoids; Diet, Vegetarian; Humans; Kinetics; Male; Prealbumin; Precancerous Conditions; Prospective Studies; Retinol-Binding Proteins; Vitamin A | 1983 |
Clinical chemical methods for the routine assessment of the vitamin status in human populations. Part I: The fat-soluble vitamins A and E, and beta-carotene.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Chromatography, High Pressure Liquid; Female; Humans; Lipoproteins; Male; Rats; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Sex Factors; Vitamin A; Vitamin E | 1983 |
Effects of vitamin A and beta carotene on intra-abdominal sepsis.
Topics: Abdomen; Abscess; Animals; Bacterial Infections; beta Carotene; Carotenoids; Male; Peritoneal Diseases; Peritonitis; Rats; Rats, Inbred Strains; Surgical Wound Infection; Vitamin A; Wound Healing | 1984 |
Some factors affecting determination of carotenoids in serum.
Topics: beta Carotene; Carotenoids; Freezing; Humans; Light; Specimen Handling; Spectrophotometry; Transportation; Vitamin A | 1984 |
Plasma retinol, beta-carotene and vitamin E levels in relation to the future risk of breast cancer.
Topics: Adult; Age Factors; Aged; beta Carotene; Breast Neoplasms; Carotenoids; Channel Islands; Female; Humans; Menopause; Middle Aged; Prospective Studies; Risk; Vitamin A; Vitamin E | 1984 |
Micronuclei in exfoliated human cells as a tool for studies in cancer risk and cancer intervention.
Topics: Areca; beta Carotene; Carcinogens; Carotenoids; Chromosome Aberrations; Ethnicity; Humans; Mouth Mucosa; Mouth Neoplasms; Mutagenicity Tests; Nicotiana; Philippines; Plants, Medicinal; Plants, Toxic; Racial Groups; Risk; Smoking; Vitamin A | 1984 |
Separation and quantitation of serum beta-carotene and other carotenoids by high performance liquid chromatography.
Topics: Adult; Aged; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Colorimetry; Female; Humans; Male; Middle Aged; Vitamin A | 1984 |
[Vitamin A requirement of growing swine. 1. Effect of vitamin A supply on growth of piglets and fattening swine].
Topics: Animals; beta Carotene; Body Weight; Carotenoids; Dietary Proteins; Female; Male; Methemoglobinemia; Nutritional Requirements; Sodium Nitrite; Swine; Vitamin A | 1984 |
Giardia lamblia as a cause of malabsorption and hypovitaminosis "A" in children.
Topics: Adolescent; beta Carotene; Carotenoids; Child; Dietary Fats; Feces; Giardiasis; Humans; Lipids; Malabsorption Syndromes; Vitamin A; Vitamins | 1984 |
Simultaneous determination of plasma retinol, alpha-tocopherol, lycopene, alpha-carotene, and beta-carotene by high-performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Lycopene; Specimen Handling; Vitamin A; Vitamin E | 1984 |
Vitamin A and beta-carotene in bovine and porcine plasma, liver, corpora lutea, and follicular fluid.
Topics: Animals; beta Carotene; Body Fluids; Carotenoids; Cattle; Corpus Luteum; Female; Liver; Ovarian Follicle; Species Specificity; Swine; Vitamin A | 1984 |
Skin content and plasma transport of vitamin A and beta-carotene in chronic renal failure.
Topics: Adult; beta Carotene; Carotenoids; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Prealbumin; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Skin; Skin Manifestations; Vitamin A | 1982 |
Determination of lycopene, alpha- and beta-carotene and retinyl esters in human serum by reversed-phase high performance liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Diterpenes; Freezing; Humans; Lycopene; Retinyl Esters; Vitamin A | 1983 |
The effect of dietary and climatic factors on fertility, and on plasma progesterone and oestradiol-17 beta levels in dairy cows.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Climate; Diet; Estradiol; Female; Fertility; Pregnancy; Progesterone; Vitamin A | 1983 |
Relationship between vitamin A and beta-carotene in blood plasma and milk and mastitis in Holsteins.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Female; Lactation; Mastitis, Bovine; Milk; Pregnancy; Vitamin A | 1982 |
Interactions of fat-soluble vitamins in hypervitaminoses.
Topics: Animals; beta Carotene; Carotenoids; Chickens; Intestine, Small; Liver; Membranes; Rats; Vitamin A; Vitamin D; Vitamin E | 1980 |
[Lipids and liposoluble vitamins].
Topics: Adult; Aged; Aging; beta Carotene; Carotenoids; Female; Humans; Hyperlipoproteinemias; Lipids; Male; Middle Aged; Renal Dialysis; Vitamin A; Vitamin E | 1980 |
Vitamin A in human skin: II Concentrations of carotene, retinol and dehydroretinol in various components of normal skin.
Topics: beta Carotene; Carotenoids; Humans; Lipids; Skin; Vitamin A | 1982 |
Effect of dietary retinyl acetate, beta-carotene and retinoic acid on wound healing in rats.
Topics: Administration, Oral; Animals; beta Carotene; Carotenoids; Diterpenes; Dose-Response Relationship, Drug; Male; Rats; Rats, Inbred Strains; Retinyl Esters; Skin; Time Factors; Tretinoin; Vitamin A; Wound Healing | 1982 |
Retinoids and the prevention of cervical dysplasias.
Topics: Ascorbic Acid; beta Carotene; Carcinoma in Situ; Carotenoids; Diet; Female; Humans; Retinol-Binding Proteins; Tretinoin; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms; Vitamin A | 1981 |
Serum levels of vitamin A, beta-carotene and albumin in children with measles.
Topics: beta Carotene; Carotenoids; Child, Preschool; Female; Humans; Infant; Keratitis; Male; Measles; Serum Albumin; Vitamin A | 1981 |
[Effect of a diet enriched in essential fatty acids on lipid values and composition of fatty acids in serum lipid fractions in the aged].
Topics: Aged; beta Carotene; Carotenoids; Cholesterol Esters; Dietary Fats; Fatty Acids; Fatty Acids, Essential; Female; Humans; Lipids; Male; Phospholipids; Triglycerides; Vitamin A; Vitamin E | 1980 |
[Retention of several vitamins during ultra-high temperature sterilization of milk].
Topics: Animals; beta Carotene; Carotenoids; Cattle; Drug Stability; Food Handling; Hot Temperature; Milk; Sterilization; Vitamin A; Vitamin B Complex | 1981 |
[Vitamin A and psoriasis. Communication I. Blood serum value determination (author's transl)].
Topics: Adolescent; Adult; Aged; beta Carotene; Carotenoids; Child; Female; Humans; Male; Middle Aged; Psoriasis; Vitamin A | 1981 |
High retinol/retinol-binding protein ratio in noninsulin-dependent diabetes mellitus.
Topics: Anticholesteremic Agents; Antioxidants; Apolipoprotein C-II; Apolipoprotein C-III; Apolipoproteins C; beta Carotene; Blood Glucose; Carotenoids; Cholesterol; Diabetes Mellitus, Type 2; Diterpenes; Female; Humans; Hypercholesterolemia; Lovastatin; Male; Middle Aged; Retinol-Binding Proteins; Retinyl Esters; Sex Characteristics; Simvastatin; Triglycerides; Vitamin A | 1995 |
Accumulation of beta-carotene in normal colorectal mucosa and colonic neoplastic lesions in humans.
Topics: Adenomatous Polyps; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Colon; Colonic Neoplasms; Colonic Polyps; Female; Humans; Intestinal Mucosa; Male; Middle Aged; Rectum; Vitamin A; Vitamin E | 1995 |
Vitamin A status and dark green leafy vegetables.
Topics: beta Carotene; Carotenoids; Child; Female; Humans; Milk, Human; Vegetables; Vitamin A; Vitamin A Deficiency | 1995 |
Vitamin A status and dark green leafy vegetables.
Topics: beta Carotene; Carotenoids; Child; Female; Humans; Milk, Human; Vegetables; Vitamin A; Vitamin A Deficiency | 1995 |
Liposoluble vitamins and naturally occurring carotenoids in porphyria cutanea tarda.
Topics: Alkaline Phosphatase; Analysis of Variance; Antioxidants; Argentina; beta Carotene; Bilirubin; Carotenoids; Case-Control Studies; Cholesterol; Creatinine; Cryptoxanthins; Female; Humans; Italy; Liver Cirrhosis; Lutein; Lycopene; Male; Middle Aged; Porphyria Cutanea Tarda; Prothrombin; Reference Values; Serum Albumin; Vitamin A; Vitamins; Xanthophylls; Zeaxanthins | 1995 |
Astaxanthin, a carotenoid without vitamin A activity, augments antibody responses in cultures including T-helper cell clones and suboptimal doses of antigen.
Topics: Animals; Antigens; B-Lymphocytes; beta Carotene; Carotenoids; Cells, Cultured; Clone Cells; Columbidae; Cytochrome c Group; Dose-Response Relationship, Drug; Enzyme-Linked Immunosorbent Assay; Female; gamma-Globulins; Immunoglobulin G; Immunoglobulin M; Immunoglobulins; Mice; Mice, Inbred DBA; Rabbits; Spleen; T-Lymphocytes, Helper-Inducer; Vitamin A; Xanthophylls | 1995 |
Vitamin A status and metabolism of cutaneous polyamines in the hairless mouse after UV irradiation: action of beta-carotene and astaxanthin.
Topics: Animals; beta Carotene; Carotenoids; Epidermis; Female; Food, Fortified; Liver; Mice; Mice, Hairless; Neoplasms, Radiation-Induced; Nutritional Status; Ornithine Decarboxylase; Polyamines; Putrescine; Random Allocation; Skin; Skin Neoplasms; Spermidine; Spermine; Ultraviolet Rays; Vitamin A; Vitamin A Deficiency; Xanthophylls | 1995 |
A comparison of beta-carotene and vitamin A effects on a hepatocarcinogenesis model.
Topics: Animals; beta Carotene; Carotenoids; Corn Oil; Disease Models, Animal; gamma-Glutamyltransferase; Liver; Liver Neoplasms, Experimental; Male; Precancerous Conditions; Rats; Rats, Wistar; Vitamin A | 1995 |
Plasma transport and tissue distribution of [14C] beta-carotene and [3H]retinol administered orally to pigs.
Topics: Administration, Oral; Animals; beta Carotene; Biological Transport; Carbon Radioisotopes; Carotenoids; Colon; Duodenum; Female; Kidney; Lung; Swine; Time Factors; Tissue Distribution; Tritium; Vitamin A | 1995 |
Compartmental analysis of the dynamics of beta-carotene metabolism in an adult volunteer.
Topics: Absorption; Antioxidants; beta Carotene; Body Fluid Compartments; Carotenoids; Chromatography, High Pressure Liquid; Dietary Fats; Gas Chromatography-Mass Spectrometry; Humans; Male; Middle Aged; Models, Biological; Vitamin A | 1995 |
Plasmatic values of some antioxidant vitamins on healthy children.
Topics: Adolescent; Antioxidants; beta Carotene; Carotenoids; Child; Child, Preschool; Female; Humans; Infant; Male; Reference Values; Vitamin A; Vitamin E | 1994 |
Evidence for oxidative stress during in vitro dialysis.
Topics: Antioxidants; beta Carotene; Carotenoids; Hemochromatosis; Humans; In Vitro Techniques; Lipid Peroxidation; Malondialdehyde; Oxidative Stress; Renal Dialysis; Sulfhydryl Compounds; Vitamin A; Vitamin E | 1995 |
Consumption of excess vitamin A, but not excess beta-carotene, causes accumulation of retinol that exceeds the binding capacity of cellular retinol-binding protein, type II in rat intestine.
Topics: Acyltransferases; Administration, Oral; Alkaline Phosphatase; Animals; Antineoplastic Agents; beta Carotene; Body Weight; Carotenoids; Dose-Response Relationship, Drug; Jejunum; Male; Microsomes; Organ Size; Rats; Rats, Wistar; Retinol-Binding Proteins; Retinol-Binding Proteins, Cellular; Vitamin A | 1995 |
Hyper-beta-carotenemia unrelated to diet: a case of brain tumor.
Topics: Adult; beta Carotene; Brain Neoplasms; Carotenoids; Cholesterol; Enteral Nutrition; Female; Humans; Triglycerides; Vitamin A; Vitamin E | 1995 |
Rapid HPLC assay for the assessment of vitamin K1, A, E and beta-carotene status in children (7-19 years).
Topics: Adolescent; Adult; Austria; beta Carotene; Carotenoids; Child; Chromatography, High Pressure Liquid; Female; Fluorescence; Humans; Male; Nutrition Assessment; Vitamin A; Vitamin E; Vitamin K 1 | 1995 |
Screening at a health fair to identify subjects for an oral leukoplakia chemoprevention trial.
Topics: Adult; Aged; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; China; Female; Health Fairs; Humans; Leukoplakia, Oral; Male; Middle Aged; Mouth Neoplasms; Smoking; Texas; Vitamin A | 1995 |
Blood retinol and beta-carotene levels in rural Guatemalan preschool children.
Topics: Age Factors; beta Carotene; Carotenoids; Child; Child, Preschool; Female; Guatemala; Humans; Incidence; Infant; Male; Prevalence; Rural Health; Sample Size; Sex Factors; Vitamin A; Vitamin A Deficiency | 1995 |
Nutritional status and the immune system: fat-soluble vitamins and other nutrients.
Topics: Adolescent; Adult; Antioxidants; beta Carotene; Carotenoids; Child; Child, Preschool; Cystic Fibrosis; Humans; Infant; Nutritional Status; Solubility; Vitamin A | 1994 |
Altered antioxidant status and increased lipid peroxidation in children with cystic fibrosis.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Child; Cholesterol; Cystic Fibrosis; Fatty Acids, Unsaturated; Female; Glutathione Peroxidase; Humans; Lipid Metabolism; Lipid Peroxidation; Malabsorption Syndromes; Male; Oxidative Stress; Reactive Oxygen Species; Selenium; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Vitamin A; Vitamin E; Vitamins; Zinc | 1995 |
Decreased antioxidant status and increased lipid peroxidation in patients with septic shock and secondary organ dysfunction.
Topics: Adolescent; Adult; Aged; Antioxidants; APACHE; beta Carotene; Carotenoids; Female; Free Radicals; Humans; Intensive Care Units; Lipid Peroxidation; Lycopene; Male; Middle Aged; Multiple Organ Failure; Prospective Studies; Shock, Septic; Thiobarbituric Acid Reactive Substances; Vitamin A; Vitamin E | 1995 |
Administration of 13-cis-retinoic acid to dairy cattle. 1. Plasma retinoid concentrations and lymphocyte blastogenesis.
Topics: Animals; beta Carotene; Carotenoids; Cattle; Dimethyl Sulfoxide; DNA; Female; Isotretinoin; Lymphocyte Activation; Retinoids; Vitamin A | 1995 |
Dietary factors and risk of prostate cancer: a case-control study in Ontario, Canada.
Topics: Adenocarcinoma; Aged; beta Carotene; Carotenoids; Case-Control Studies; Diet; Dietary Fats; Energy Intake; Humans; Male; Middle Aged; Prostatic Neoplasms; Risk Factors; Vitamin A | 1995 |
Vitamin A and beta-carotene influence the level of benzo[a]pyrene-induced DNA adducts and DNA-repair activities in hamster tracheal epithelium in organ culture.
Topics: Animals; Benzo(a)pyrene; beta Carotene; Carotenoids; Cricetinae; DNA Adducts; DNA Damage; DNA Repair; Epithelium; Mesocricetus; Organ Culture Techniques; Trachea; Vitamin A | 1995 |
Inhibition of 3'-methyl-4-dimethylaminoazobenzene-induced hepatocarcinogenesis in rat by dietary beta-carotene: changes in hepatic anti-oxidant defense enzyme levels.
Topics: Animals; Anticarcinogenic Agents; Antioxidants; beta Carotene; Carotenoids; Diet; gamma-Glutamyltransferase; Glutathione Peroxidase; Glutathione Transferase; Liver; Liver Neoplasms, Experimental; Male; Methyldimethylaminoazobenzene; Microsomes, Liver; Rats; Rats, Sprague-Dawley; Vitamin A | 1995 |
9-Cis beta-carotene as a precursor of retinol isomers in chicks.
Topics: Animals; beta Carotene; Carotenoids; Chickens; Chromatography, High Pressure Liquid; Diet; Female; Liver; Stereoisomerism; Vitamin A | 1994 |
The relation of alcohol consumption to serum carotenoid and retinol levels. Effects of withdrawal.
Topics: Adult; Alcoholism; Apolipoprotein A-I; Apolipoproteins B; beta Carotene; Carotenoids; Cryptoxanthins; Ethanol; Humans; Lutein; Lycopene; Male; Middle Aged; Vitamin A; Xanthophylls; Zeaxanthins | 1994 |
Potential role of ascorbic acid and beta-carotene in the prevention of preterm rupture of fetal membranes.
Topics: Adult; Amniotic Fluid; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Female; Fetal Membranes, Premature Rupture; Humans; Parity; Pregnancy; Vitamin A; Vitamin E | 1994 |
Vitamin status of a healthy French population: dietary intakes and biochemical markers.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Ascorbic Acid; beta Carotene; Carotenoids; Child; Diet; Female; Humans; Male; Middle Aged; Nutrition Surveys; Nutritional Status; Regression Analysis; Sex Characteristics; Vitamin A; Vitamin E; Vitamins | 1994 |
Plasma levels of antioxidant vitamins and oxidative stress in patients with acute myocardial infarction.
Topics: Antioxidants; Arrhythmias, Cardiac; Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Female; Humans; Lipid Peroxides; Male; Middle Aged; Myocardial Infarction; Oxidative Stress; Prospective Studies; Vitamin A; Vitamin E; Vitamins | 1994 |
Diet, antioxidant vitamins, oxidative stress and risk of coronary artery disease: the Peerzada Prospective Study.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Coronary Disease; Diet; Dietary Fats; Emigration and Immigration; Female; Humans; India; Male; Middle Aged; Oxidative Stress; Prospective Studies; Risk Factors; United Kingdom; Urban Health; Vitamin A; Vitamin E; Vitamins | 1994 |
Stable isotope methods for the study of beta-carotene-d8 metabolism in humans utilizing tandem mass spectrometry and high-performance liquid chromatography.
Topics: Adjuvants, Immunologic; Administration, Oral; beta Carotene; Calibration; Carotenoids; Chromatography, High Pressure Liquid; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Magnetic Resonance Spectroscopy; Mass Spectrometry; Reproducibility of Results; Spectrometry, Mass, Fast Atom Bombardment; Vitamin A | 1994 |
Vitamin, trace element and peroxide status in HIV seropositive patients: asymptomatic patients present a severe beta-carotene deficiency.
Topics: Adult; Antioxidants; beta Carotene; Carotenoids; Glutathione Peroxidase; HIV Seropositivity; Humans; Lipid Peroxides; Male; Nutritional Status; Thiobarbituric Acid Reactive Substances; Trace Elements; Vitamin A; Vitamins | 1994 |
Serum vitamin A and beta-carotene levels in pre-school age children.
Topics: beta Carotene; Carotenoids; Child, Preschool; Humans; Infant; Nigeria; Vitamin A | 1994 |
Haemorrhagic toxicity of a large dose of alpha-, beta-, gamma- and delta-tocopherols, ubiquinone, beta-carotene, retinol acetate and L-ascorbic acid in the rat.
Topics: Adjuvants, Immunologic; Analysis of Variance; Animals; Anticarcinogenic Agents; Antineoplastic Agents; Ascorbic Acid; beta Carotene; Blood Coagulation; Carotenoids; Diterpenes; Epididymis; Exophthalmos; Eye; Hemorrhage; Male; Prothrombin Time; Rats; Rats, Sprague-Dawley; Retinyl Esters; Stereoisomerism; Thromboplastin; Ubiquinone; Vitamin A; Vitamin E | 1995 |
Vitamin E enhances the lymphatic transport of beta-carotene and its conversion to vitamin A in the ferret.
Topics: Absorption; Animals; beta Carotene; Biological Transport; Carotenoids; Ferrets; Intestinal Mucosa; Lymphatic System; Male; Portal Vein; Vitamin A; Vitamin E | 1995 |
Relations between antioxidant vitamins in adipose tissue, plasma, and diet.
Topics: Adipose Tissue; Aged; alpha-Linolenic Acid; beta Carotene; Carotenoids; Data Interpretation, Statistical; Diet Surveys; Female; Food, Fortified; Humans; Male; Middle Aged; Surveys and Questionnaires; Vitamin A; Vitamin E | 1995 |
Antioxidant vitamins in malnourished Nigerian children.
Topics: Antioxidants; beta Carotene; Carotenoids; Cryptoxanthins; Female; Humans; Infant; Kwashiorkor; Lycopene; Male; Nigeria; Protein-Energy Malnutrition; Ubiquinone; Vitamin A; Vitamin E; Vitamins; Xanthophylls | 1994 |
Effects of smoking on the levels of antioxidant beta carotene, alpha tocopherol and retinol in human ovarian follicular fluid.
Topics: Adult; beta Carotene; Carotenoids; Case-Control Studies; Female; Follicular Fluid; Humans; Pregnancy; Smoking; Superovulation; Vitamin A; Vitamin E | 1995 |
Retinol and beta-carotene concentrations in skin, papillomas and carcinomas, liver, and serum of mice fed retinoic acid or beta-carotene to suppress skin tumor formation.
Topics: Animals; beta Carotene; Carcinoma; Carotenoids; Cell Division; Chromatography, High Pressure Liquid; Diet; Female; Keratinocytes; Liver; Mice; Mice, Inbred BALB C; Mice, Inbred Strains; Papilloma; Skin; Skin Neoplasms; Transglutaminases; Tretinoin; Tumor Cells, Cultured; Vitamin A | 1994 |
Effects of micronutrients and antioxidants on lipid peroxidation in human plasma and in cell culture.
Topics: alpha-Linolenic Acid; Animals; Antioxidants; beta Carotene; Carotenoids; Cells, Cultured; Cholesterol; Cryptoxanthins; Fibroblasts; Humans; Lipid Peroxidation; Lutein; Lycopene; Mice; Mice, Inbred C3H; Thiobarbituric Acid Reactive Substances; Time Factors; Triglycerides; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1994 |
alpha-tocopherol, beta-carotene, and retinol enrichment of chicken eggs.
Topics: Animal Feed; Animal Husbandry; Animals; beta Carotene; Carotenoids; Chickens; Diet; Egg Yolk; Female; Vitamin A; Vitamin E | 1994 |
Plasma alpha-tocopherol, beta-carotene, and retinol levels in the institutionalized elderly individuals and in young adults.
Topics: Adult; Aged; Aged, 80 and over; Aging; beta Carotene; Carotenoids; Diet; Female; Humans; Institutionalization; Male; Middle Aged; Reference Values; Sex Characteristics; Vitamin A; Vitamin E | 1994 |
Effect of a low beta-carotene diet on the immune functions of adult women.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Cells, Cultured; Concanavalin A; Diet; Female; Humans; Immunity; Leukocyte Count; Leukocytes, Mononuclear; Lymphocyte Activation; Lymphocyte Count; Phytohemagglutinins; Receptors, Interleukin-2; Vitamin A | 1994 |
[Relationship between plasma antioxidants and coronary artery disease].
Topics: Antioxidants; beta Carotene; Carotenoids; Coronary Disease; Humans; Vitamin A; Vitamin E | 1994 |
Simple determination of retinol, alpha-tocopherol and carotenoids (lutein, all-trans-lycopene, alpha- and beta-carotenes) in human plasma by isocratic liquid chromatography.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Lutein; Lycopene; Quality Control; Reproducibility of Results; Vitamin A; Vitamin E | 1994 |
Beta-carotene and CNS oxygen toxicity in rats.
Topics: Animals; beta Carotene; Carotenoids; Central Nervous System Diseases; Diet; Electroencephalography; Eukaryota; Free Radicals; Hyperbaric Oxygenation; Liver; Male; Oxygen; Rats; Rats, Sprague-Dawley; Seizures; Vitamin A | 1994 |
Nutritional status of schoolchildren in an inner city area.
Topics: Adolescent; beta Carotene; Carotenoids; Child; Cholesterol; Diet; Female; Ferritins; Folic Acid; Humans; Male; Nutritional Status; Poverty Areas; Psychosocial Deprivation; Sex Factors; Vitamin A; Vitamin B 12; Vitamin E | 1994 |
Determinants of plasma vitamins and lipids: the Working Well Study.
Topics: Adult; Aged; beta Carotene; Carotenoids; Cholesterol; Cholesterol, Dietary; Diet; Diet Records; Female; Health Promotion; Humans; Linear Models; Male; Middle Aged; Occupational Health Services; Surveys and Questionnaires; Vitamin A; Vitamin E; Workplace | 1994 |
Vitamin A and E intakes and plasma concentrations of retinol, beta-carotene, and alpha-tocopherol in men and women of the Baltimore Longitudinal Study of Aging.
Topics: Adult; Aged; Aged, 80 and over; Aging; beta Carotene; Carotenoids; Diet; Female; Food, Fortified; Humans; Longitudinal Studies; Male; Middle Aged; Sex Factors; Smoking; Vitamin A; Vitamin E | 1994 |
Modulatory effects of dietary beta-carotene on blood and mammary leukocyte function in periparturient dairy cows.
Topics: Animals; beta Carotene; Blood Bactericidal Activity; Carotenoids; Cattle; Diet; Eating; Female; Iodine; Labor, Obstetric; Lactation; Leukocytes; Lymphocyte Activation; Mammary Glands, Animal; Neutrophils; Phagocytosis; Phytohemagglutinins; Placenta Diseases; Pregnancy; Vitamin A; Vitamin E | 1994 |
Effects of beta-carotene and canthaxanthin on liver xenobiotic-metabolizing enzymes in the rat.
Topics: Animals; beta Carotene; Canthaxanthin; Carotenoids; Cytochrome P-450 Enzyme System; Enzyme Induction; Glucuronosyltransferase; Glutathione Transferase; Liver; Male; NADH Dehydrogenase; Rats; Rats, Wistar; Vitamin A; Xenobiotics | 1994 |
The relations between cervical cancer and serological markers of nutritional status.
Topics: Adult; beta Carotene; Carotenoids; Cholesterol; Cryptoxanthins; Female; Humans; Latin America; Lutein; Lycopene; Middle Aged; Neoplasm Staging; Nutritional Status; Triglycerides; Uterine Cervical Neoplasms; Vitamin A; Vitamin E; Xanthophylls | 1994 |
Interactions between alcohol and beta-carotene in patients with alcoholic liver disease.
Topics: Adult; Alcoholism; Analysis of Variance; beta Carotene; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Ethanol; Humans; Liver Cirrhosis, Alcoholic; Male; Middle Aged; Vitamin A; Vitamin E | 1994 |
Provitamin A activities and physiological functions of carotenoids in animals. Relevance to human health.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Chickens; Epithelium; Female; Growth; Humans; Intestinal Mucosa; Liver; Lutein; Lycopene; Ovariectomy; Oxygenases; Rats; Rats, Inbred Strains; Vagina; Vaginal Diseases; Vitamin A; Vitamin A Deficiency; Xanthophylls; Zeaxanthins | 1993 |
beta-Carotene supplements cannot meet all vitamin A requirements of vitamin A-deficient rats.
Topics: Animals; beta Carotene; Carotenoids; Isomerism; Kidney; Liver; Lung; Male; Rats; Rats, Inbred Strains; Trachea; Vitamin A; Vitamin A Deficiency | 1993 |
Effect of vitamin A and beta-carotene intake on dioxygenase activity in rat intestine.
Topics: Analysis of Variance; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Diet; Diterpenes; Intestinal Mucosa; Intestine, Small; Liver; Lung; Male; Oxygenases; Rats; Rats, Wistar; Retinyl Esters; Tissue Distribution; Vitamin A | 1993 |
Uptake and metabolism of beta-carotene isomers in rats.
Topics: Animals; beta Carotene; Carotenoids; Epithelium; Female; Liver; Ovariectomy; Rats; Rats, Inbred Strains; Stereoisomerism; Vagina; Vitamin A; Vitamin A Deficiency | 1993 |
Distribution of beta-carotene and vitamin A in lipoprotein fractions of ferret serum. Effect of beta-carotene supplementation.
Topics: Animals; beta Carotene; Carotenoids; Cholesterol; Diterpenes; Ferrets; Lipoproteins; Lycopene; Male; Retinyl Esters; Stereoisomerism; Vitamin A | 1993 |
Carotenoids and antioxidant nutrients following burn injury.
Topics: Adult; Aged; Ascorbic Acid; beta Carotene; Burns; Carotenoids; Enteral Nutrition; Female; Humans; Lycopene; Male; Middle Aged; Time Factors; Vitamin A; Vitamin E | 1993 |
beta-Carotene uptake, metabolism, and distribution in vitro.
Topics: 3T3 Cells; Animals; beta Carotene; Biological Transport; Carotenoids; Clone Cells; Kinetics; Mice; Mice, Inbred BALB C; Subcellular Fractions; Time Factors; Vitamin A | 1993 |
Metabolic activities of rat liver preparations on retinol, beta-carotene, and lycopene.
Topics: Animals; beta Carotene; Carotenoids; Hydroxylation; Liver; Lycopene; Microsomes, Liver; Organ Size; Phenobarbital; Rats; Vitamin A | 1993 |
Retinol, alpha-tocopherol, lutein/zeaxanthin, beta-cryptoxanthin, lycopene, alpha-carotene, trans-beta-carotene, and four retinyl esters in serum determined simultaneously by reversed-phase HPLC with multiwavelength detection.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Humans; Lutein; Lycopene; Nutritional Status; Quality Control; Reference Values; Retinoids; Sensitivity and Specificity; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1994 |
Nutritional status of antioxidant vitamins (A, E, and beta-carotene) in elderly Japanese.
Topics: Adult; Age Factors; Aged; Antioxidants; beta Carotene; Carotenoids; Female; Humans; Japan; Male; Nutritional Status; Sex Factors; Vitamin A; Vitamin E | 1993 |
Maternal diet and risk of astrocytic glioma in children: a report from the Childrens Cancer Group (United States and Canada)
Topics: Astrocytoma; beta Carotene; Brain Neoplasms; Canada; Carotenoids; Child, Preschool; Diet; Female; Humans; Income; Iron; Meat; Neuroectodermal Tumors, Primitive; Nitroso Compounds; Pregnancy; Risk Factors; United States; Vitamin A; Vitamin E | 1994 |
Vitamin concentration and function of leukocytes from dairy calves supplemented with vitamin A, vitamin E, and beta-carotene in vitro.
Topics: Animal Feed; Animals; Animals, Newborn; beta Carotene; Blood Bactericidal Activity; Carotenoids; Cattle; Chemotaxis, Leukocyte; Food, Fortified; In Vitro Techniques; Leukocytes; Macrophages, Alveolar; Male; Neutrophils; Phagocytosis; Vitamin A; Vitamin E | 1994 |
Plasma response of children to short-term chronic beta-carotene supplementation.
Topics: beta Carotene; Biological Availability; Carotenoids; Child; Diet; Diterpenes; Female; Humans; Male; Retinyl Esters; Vegetables; Vitamin A | 1994 |
Inhibitory effect of beta-carotene on chronic 2-acetylaminofluorene induced hepatocarcinogenesis in rat: reflection in hepatic drug metabolism.
Topics: 2-Acetylaminofluorene; Animals; Anticarcinogenic Agents; beta Carotene; Carotenoids; Liver; Liver Neoplasms, Experimental; Male; Rats; Rats, Sprague-Dawley; Vitamin A | 1994 |
beta-Carotene storage in rat organs following carrier mediated supplementation.
Topics: Animals; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Diet; Diterpenes; Drug Carriers; Eicosanoic Acids; Female; Rats; Rats, Wistar; Retinyl Esters; Tissue Distribution; Vitamin A | 1994 |
Effects of oxygen and antioxidants on the mitochondrial Ca-retention capacity.
Topics: Acetoacetates; Anaerobiosis; Animals; Antioxidants; beta Carotene; Calcium; Carotenoids; Chromans; Hypoxia; Kinetics; Mitochondria, Liver; Oligomycins; Oxygen; Oxygen Consumption; Rats; Rats, Sprague-Dawley; Ubiquinone; Vitamin A; Vitamin E | 1993 |
Simultaneous determination of vitamins A and E and carotenoids in plasma by reversed-phase HPLC in elderly and younger subjects.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Drug Stability; Female; Humans; Lutein; Lycopene; Male; Middle Aged; Reference Values; Vitamin A; Vitamin E; Xanthophylls | 1993 |
Dietary antioxidants preserve endothelium-dependent vessel relaxation in cholesterol-fed rabbits.
Topics: Acetylcholine; Animals; Aorta, Thoracic; beta Carotene; Calcimycin; Carotenoids; Cholesterol; Cholesterol, Dietary; Copper; Diet; Endothelium, Vascular; In Vitro Techniques; Lipoproteins; Male; Muscle Relaxation; Muscle, Smooth, Vascular; Oxidants; Rabbits; Triglycerides; Vitamin A; Vitamin E | 1993 |
Dietary beta carotene and lung cancer risk in U.S. nonsmokers.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Case-Control Studies; Diet; Dose-Response Relationship, Drug; Female; Fruit; Humans; Lung Neoplasms; Male; Middle Aged; Multivariate Analysis; New York; Smoking; Vegetables; Vitamin A; Vitamin E | 1994 |
Vitamin A, Vitamin E or beta-carotene status and hepatitis B-related hepatocellular carcinoma.
Topics: Adult; beta Carotene; Carcinoma, Hepatocellular; Carotenoids; Case-Control Studies; Diet; Hepatitis B; Humans; Liver Neoplasms; Male; Middle Aged; Odds Ratio; Risk Factors; Socioeconomic Factors; Vitamin A; Vitamin E | 1993 |
Serum beta-carotene and antioxidant micronutrients in children with cancer. The 'Cancer in Children and Antioxidant Micronutrients' French Study Group.
Topics: Adjuvants, Immunologic; Adolescent; beta Carotene; Carotenoids; Case-Control Studies; Child; Child, Preschool; Cholesterol; Chromatography, High Pressure Liquid; Female; France; Humans; Infant; Male; Neoplasms; Regression Analysis; Risk Factors; Selenium; Vitamin A; Vitamin E; Zinc | 1993 |
High survival rate of hamsters given intratracheal instillations of benzo[a]pyrene and ferric oxide and kept on a high beta-carotene diet.
Topics: Animals; Benzo(a)pyrene; beta Carotene; Carotenoids; Cricetinae; Diet; Eating; Epithelium; Ferric Compounds; Intubation, Intratracheal; Liver; Male; Mesocricetus; Metaplasia; Respiratory System; Respiratory Tract Neoplasms; Vitamin A | 1994 |
Reperfusion injury, antioxidants and hemodynamics during orthotopic liver transplantation.
Topics: Adult; Aged; beta Carotene; Blood Pressure; Cardiac Output; Carotenoids; Female; Hemodynamics; Humans; Lipid Peroxidation; Liver Failure; Liver Transplantation; Lycopene; Male; Middle Aged; Reperfusion Injury; Vascular Resistance; Vitamin A; Vitamin E; Vitamins | 1994 |
Influence of vitamins A, C, and E and beta-carotene on aflatoxin B1 binding to DNA in woodchuck hepatocytes.
Topics: Aflatoxin B1; Animals; Ascorbic Acid; beta Carotene; Carotenoids; Cells, Cultured; Depression, Chemical; DNA; Dose-Response Relationship, Drug; Glutathione Transferase; Liposomes; Liver; Marmota; Neoplasms; Stimulation, Chemical; Vitamin A; Vitamin E | 1994 |
Use of smokeless tobacco and cigarettes--effects on plasma levels of antioxidant vitamins.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; Chi-Square Distribution; Cholesterol; Dietary Fats; Humans; Male; Middle Aged; Plants, Toxic; Smoking; Sweden; Tobacco, Smokeless; Vitamin A; Vitamin E; Vitamins | 1993 |
No evidence of deficiency of vitamins A, E, beta-carotene, B1, B2, B6, B12 and folate in neuropathic type II diabetic women.
Topics: Aged; beta Carotene; Carotenoids; Diabetes Mellitus, Type 2; Diabetic Neuropathies; Female; Folic Acid; Humans; Vitamin A; Vitamin B Complex; Vitamin E; Vitamins | 1993 |
Serum micronutrients in relation to pre-cancerous gastric lesions.
Topics: Adult; Ascorbic Acid; beta Carotene; Carotenoids; China; Copper; Female; Ferritins; Humans; Male; Middle Aged; Minerals; Multivariate Analysis; Precancerous Conditions; Selenium; Smoking; Stomach Neoplasms; Vitamin A; Vitamin E; Vitamins; Zinc | 1994 |
Dietary fish oil-induced changes in the distribution of alpha-tocopherol, retinol, and beta-carotene in plasma, red blood cells, and platelets: modulation by vitamin E.
Topics: Adult; beta Carotene; Blood Platelets; Carotenoids; Dietary Fats; Erythrocytes; Fish Oils; Humans; Male; Middle Aged; Vitamin A; Vitamin E | 1993 |
Intercomparison of methods for the determination of vitamins in foods. Part 1. Fat-soluble vitamins.
Topics: Animals; beta Carotene; Carotenoids; Fabaceae; Food Analysis; Meat; Milk; Plants, Medicinal; Swine; Vitamin A; Vitamin E; Vitamins | 1993 |
A comparison of beta-carotene-splitting activity isolated from intestinal mucosa of pasture-grazed sheep, goats and cattle.
Topics: Animal Feed; Animals; beta Carotene; Carotenoids; Cattle; Detergents; Goats; Intestinal Mucosa; Kinetics; Liver; Phospholipids; Poaceae; Sheep; Species Specificity; Vitamin A | 1993 |
A prospective cohort study on selenium status and the risk of lung cancer.
Topics: Adenocarcinoma; Age Factors; Aged; Ascorbic Acid; beta Carotene; Carcinoma; Carcinoma, Small Cell; Carcinoma, Squamous Cell; Carotenoids; Cohort Studies; Education; Feeding Behavior; Female; Follow-Up Studies; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Nails; Netherlands; Prospective Studies; Risk Factors; Selenium; Sex Factors; Smoking; Surveys and Questionnaires; Time Factors; Toes; Vitamin A | 1993 |
[Patients with type-II diabetes mellitus and neuropathy have no deficiency of vitamins A, E, beta-carotene, B1, B2, B6, B12 and folic acid].
Topics: Aged; Avitaminosis; beta Carotene; Carotenoids; Diabetes Mellitus, Type 2; Diabetic Neuropathies; Female; Folic Acid; Glycated Hemoglobin; Humans; Male; Middle Aged; Neurologic Examination; Pyridoxine; Riboflavin; Thiamine; Vitamin A; Vitamin B 12; Vitamin E; Vitamins | 1993 |
Oral and pharyngeal cancer, diet, smoking, alcohol, and serum vitamin A and beta-carotene levels: a case-control study in men.
Topics: Alcohol Drinking; beta Carotene; Carcinoma, Squamous Cell; Carotenoids; Case-Control Studies; Fruit; Humans; Male; Oropharyngeal Neoplasms; Risk Factors; Smoking; Vegetables; Vitamin A | 1993 |
Dietary determinants of serum beta-carotene and serum retinol.
Topics: Adolescent; Adult; Age Factors; Aged; beta Carotene; Body Mass Index; Carotenoids; Child; Child, Preschool; Feeding Behavior; Female; Finland; Humans; Infant; Infant, Newborn; Male; Marital Status; Middle Aged; Nutrition Surveys; Occupations; Smoking; Socioeconomic Factors; Vitamin A; Vitamins | 1993 |
Serum micronutrients and the subsequent risk of oral and pharyngeal cancer.
Topics: beta Carotene; Carotenoids; Case-Control Studies; Humans; Mouth Neoplasms; Pharyngeal Neoplasms; Risk Factors; Selenium; Smoking; Vitamin A; Vitamin E | 1993 |
beta-Carotene uptake, metabolism, and distribution in BALB/c 3T3 cells.
Topics: 3T3 Cells; Animals; beta Carotene; Carotenoids; Cell Membrane; Mice; Mice, Inbred BALB C; Vitamin A | 1993 |
Dietary carotenoids influenced biochemical but not morphological changes in adult male rats fed a choline-deficient diet.
Topics: Alanine Transaminase; Animals; Aspartate Aminotransferases; beta Carotene; Canthaxanthin; Carotenoids; Cholesterol; Choline Deficiency; Disease Models, Animal; Food, Formulated; Liver; Liver Diseases; Male; Organ Size; Rats; Rats, Inbred F344; Vitamin A; Vitamin E | 1993 |
Uptake of orally administered beta-carotene by blood plasma, leukocytes, and lipoproteins in calves.
Topics: Administration, Oral; Animals; beta Carotene; Carotenoids; Cattle; Cell Nucleus; Erythrocytes; Lipoproteins; Lymphocytes; Male; Microsomes; Mitochondria; Neutrophils; Vitamin A; Vitamin E | 1993 |
Utilization of beta-carotene from Spirulina platensis by rats.
Topics: Animals; beta Carotene; Carotenoids; Cyanobacteria; Feces; Germ-Free Life; Intestinal Absorption; Kidney; Liver; Male; Nutritive Value; Organ Size; Rats; Rats, Wistar; Vitamin A; Weight Gain | 1993 |
Retinoic acid synthesis from beta-carotene in vitro.
Topics: Animals; beta Carotene; Biotransformation; Carotenoids; Chromatography, High Pressure Liquid; Hydrogen-Ion Concentration; Kinetics; Liver; NAD; Oxidation-Reduction; Rats; Retinaldehyde; Subcellular Fractions; Tretinoin; Vitamin A | 1993 |
Uptake and cleavage of beta-carotene by cultures of rat small intestinal cells and human lung fibroblasts.
Topics: Animals; beta Carotene; Biological Transport; Carbon Radioisotopes; Carotenoids; Cell Line; Cells, Cultured; Chromatography, High Pressure Liquid; Fibroblasts; Humans; Intestine, Small; Kinetics; Lung; Radioisotope Dilution Technique; Rats; Tretinoin; Vitamin A | 1993 |
[Beta-carotene, vitamin A and carrier proteins in thyroid diseases].
Topics: Adult; Aged; beta Carotene; Carotenoids; Female; Humans; Hyperthyroidism; Hypothyroidism; Male; Middle Aged; Prealbumin; Reference Values; Retinol-Binding Proteins; Vitamin A; Zinc | 1993 |
The interaction between beta-carotene and lipoxygenase in plant and animal systems.
Topics: Animals; Arachidonic Acid; beta Carotene; Binding, Competitive; Carotenoids; Enzyme Activation; Enzymes, Immobilized; Hydrogen-Ion Concentration; Kinetics; Linoleic Acid; Linoleic Acids; Lipoxygenase; Lipoxygenase Inhibitors; Oleic Acid; Oleic Acids; Plants; Rats; Vitamin A | 1993 |
NO2-induced DNA single strand breaks are inhibited by antioxidative vitamins in V79 cells.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Cell Line; Cell Survival; Cricetinae; Cricetulus; DNA; DNA Damage; In Vitro Techniques; Nitrogen; Nitrogen Dioxide; Structure-Activity Relationship; Vitamin A; Vitamin E; Vitamins | 1993 |
Serum concentrations of retinol, d-alpha-tocopherol and beta-carotene: effects of storage at -70 degrees C for five years.
Topics: beta Carotene; Blood Preservation; Carotenoids; Humans; Temperature; Time Factors; Vitamin A; Vitamin E | 1993 |
Mechanism of beta-carotene degradation.
Topics: beta Carotene; Carotenoids; Free Radicals; Oxidation-Reduction; Vitamin A | 1993 |
Reported effects of long-term freezer storage on concentrations of retinol, beta-carotene, and alpha-tocopherol in serum or plasma summarized.
Topics: Adult; beta Carotene; Carotenoids; Child; Drug Stability; Freezing; Humans; Male; Time Factors; Vitamin A; Vitamin E | 1993 |
Serum retinol, beta-carotene, alpha-tocopherol and cholesterol in healthy French children.
Topics: Adolescent; Age Factors; beta Carotene; Carotenoids; Child, Preschool; Cholesterol; Female; France; Humans; Male; Nutritional Status; Vitamin A; Vitamin E | 1993 |
Enhancement of sow reproductive performance by beta-carotene or vitamin A.
Topics: Animals; beta Carotene; Carotenoids; Dose-Response Relationship, Drug; Estrus; Female; Injections, Intramuscular; Litter Size; Parity; Pregnancy; Progesterone; Random Allocation; Reproduction; Swine; Vitamin A; Weaning | 1993 |
The ferret as a model for evaluation of the bioavailabilities of all-trans-beta-carotene and its isomers.
Topics: Animals; beta Carotene; Beverages; Carotenoids; Chromatography, High Pressure Liquid; Ferrets; Liver; Male; Nutritive Value; Stereoisomerism; Vegetables; Vitamin A | 1993 |
Vitamin E and smoking and the risk of lung cancer.
Topics: Adolescent; Adult; Aged; beta Carotene; Carotenoids; Case-Control Studies; Cohort Studies; Diet; Dose-Response Relationship, Drug; Follow-Up Studies; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Nutrition Surveys; Risk Factors; Selenium; Smoking; Vitamin A; Vitamin E | 1993 |
Induction of NAD(P)H:quinone reductase by vitamins A, E and C in Colo205 colon cancer cells.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Colonic Neoplasms; Enzyme Induction; Glutathione Transferase; Humans; Lycopene; Micronutrients; NAD(P)H Dehydrogenase (Quinone); Tumor Cells, Cultured; Vitamin A; Vitamin E | 1995 |
Beta-carotene takes a collective beating.
Topics: Animals; Antineoplastic Agents; Antioxidants; beta Carotene; Carotenoids; Clinical Trials as Topic; Female; Humans; Lung Neoplasms; Male; Vitamin A | 1996 |
beta-carotene as a high-potency antioxidant to prevent the formation of phospholipid hydroperoxides in red blood cells of mice.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Erythrocytes; Isomerism; Lipid Bilayers; Lipid Peroxides; Liver; Lung; Male; Mice; Phosphatidylcholines; Vitamin A; Vitamin E | 1996 |
Dietary beta-carotene elevates plasma steady-state and tissue concentrations of beta-carotene and enhances vitamin A balance in preruminant calves.
Topics: Adipose Tissue; Aging; Animals; Animals, Newborn; beta Carotene; Biological Availability; Carotenoids; Cattle; Diet; Dose-Response Relationship, Drug; Liver; Male; Myocardium; Time Factors; Vitamin A | 1996 |
Response to oral beta-carotene supplementation in patients with cystic fibrosis: a 16-month follow-up study.
Topics: Adjuvants, Immunologic; Adolescent; Antioxidants; beta Carotene; Carotenoids; Child; Cholesterol; Cystic Fibrosis; Diterpenes; Female; Follow-Up Studies; Food, Fortified; Humans; Male; Regression Analysis; Retinyl Esters; Statistics, Nonparametric; Vitamin A; Vitamin E | 1995 |
Dietary beta-carotene and ultraviolet-induced immunosuppression.
Topics: Animals; Antineoplastic Agents; beta Carotene; Body Weight; Carotenoids; Dermatitis, Contact; Diet; Dose-Response Relationship, Radiation; Female; Immunosuppression Therapy; Mice; Mice, Inbred BALB C; Stereoisomerism; Ultraviolet Rays; Urocanic Acid; Vitamin A | 1996 |
Vitamin A and birth defects.
Topics: Abnormalities, Drug-Induced; Antioxidants; beta Carotene; Carotenoids; Female; Humans; Nutritional Requirements; Pregnancy; Publishing; Vitamin A | 1996 |
Role of vitamin A in liver fibrosis.
Topics: Animals; Antioxidants; beta Carotene; Carbon Tetrachloride; Carotenoids; Female; Liver Cirrhosis, Experimental; Rats; Vitamin A | 1995 |
Dietary antioxidants and plasma lipids: the CARDIA Study.
Topics: Adolescent; Adult; Antioxidants; Ascorbic Acid; beta Carotene; Black or African American; Carotenoids; Cholesterol, HDL; Diet; Female; Humans; Lipids; Male; Smoking; Vitamin A; Vitamin E; White People | 1995 |
Destruction of tocopherols, carotenoids, and retinol in human plasma by cigarette smoke.
Topics: Adult; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Female; Humans; In Vitro Techniques; Lycopene; Male; Middle Aged; Nicotiana; Plants, Toxic; Smoke; Vitamin A; Vitamin E; Xanthophylls | 1996 |
Serum vitamin A and beta-carotene levels in pregnant women infected with human immunodeficiency virus-1.
Topics: Adult; beta Carotene; Body Mass Index; Carotenoids; CD4 Lymphocyte Count; CD4-CD8 Ratio; Female; Hemoglobins; HIV Infections; HIV-1; Humans; Maternal Age; Parity; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Trimester, First; Vitamin A | 1996 |
Trials reveal no benefit, possible harm of beta carotene and vitamin A for lung cancer prevention.
Topics: Anticarcinogenic Agents; beta Carotene; Carotenoids; Clinical Trials as Topic; Humans; Lung Neoplasms; Vitamin A | 1996 |
beta-Carotene absorption and cleavage in rats is affected by the vitamin A concentration of the diet.
Topics: Animals; beta Carotene; Carotenoids; Diterpenes; Dose-Response Relationship, Drug; Intestinal Absorption; Intestines; Liver; Lung; Lymph; Male; Oxygenases; Random Allocation; Rats; Rats, Wistar; Retinyl Esters; Time Factors; Vitamin A | 1996 |
Stoichiometric conversion of all trans-beta-carotene to retinal by pig intestinal extract.
Topics: Animals; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Intestinal Mucosa; Intestines; Isomerism; Oxidation-Reduction; Retinaldehyde; Swine; Vitamin A | 1996 |
Anti-oxidant vitamin status of Russian children and elderly.
Topics: Aged; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Child; Female; Humans; Male; Nutritional Status; Russia; Vitamin A; Vitamin E; Vitamins | 1996 |
Plasma alpha-tocopherol, retinol, and carotenoids in children with falciparum malaria.
Topics: beta Carotene; Carotenoids; Child; Child, Preschool; Cholesterol; Cryptoxanthins; Female; Humans; India; Infant; Lycopene; Malaria, Falciparum; Male; Vitamin A; Vitamin A Deficiency; Vitamin E; Xanthophylls | 1996 |
Selected vitamins and trace elements in blood of vegetarians.
Topics: Adult; Ascorbic Acid; beta Carotene; Body Mass Index; Carotenoids; Copper; Diet, Vegetarian; Female; Humans; Male; Middle Aged; Reference Values; Selenium; Trace Elements; Vitamin A; Vitamin E; Vitamins; Zinc | 1995 |
Evidence of cis-trans isomerization of 9-cis-beta-carotene during absorption in humans.
Topics: Absorption; Adult; beta Carotene; Carbon Isotopes; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Intestinal Mucosa; Isomerism; Kinetics; Male; Vitamin A | 1996 |
Chronic low intakes of vitamin A-rich foods in households with xerophthalmic children: a case-control study in Nepal.
Topics: beta Carotene; Carotenoids; Case-Control Studies; Child; Child, Preschool; Diet; Feeding Behavior; Fruit; Humans; Infant; Nepal; Seasons; Surveys and Questionnaires; Vegetables; Vitamin A; Vitamin A Deficiency; Xerophthalmia | 1996 |
Micronutrient status in elderly people. Geriatrie/Min. Vit. Aux Network.
Topics: Aged; Aged, 80 and over; Aging; beta Carotene; Carotenoids; Copper; Cryptoxanthins; Female; Humans; Lycopene; Male; Nutritional Status; Reference Values; Selenium; Sex Characteristics; Trace Elements; Vitamin A; Vitamin E; Vitamins; Xanthophylls; Zinc | 1996 |
Vitamin A and respiratory syncytial virus infection.
Topics: beta Carotene; Carotenoids; Child; Humans; Hypervitaminosis A; Respiratory Syncytial Virus Infections; Vitamin A | 1996 |
Effect of subadequate maternal vitamin-A status on placental transfer of retinol and beta-carotene to the human fetus.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Female; Fetal Blood; Humans; Maternal-Fetal Exchange; Placenta; Pregnancy; Pregnancy Complications; Vitamin A; Vitamin A Deficiency | 1996 |
In vivo biosynthesis of retinoic acid from beta-carotene involves and excentric cleavage pathway in ferret intestine.
Topics: Acyclic Monoterpenes; Animals; beta Carotene; Chromatography, High Pressure Liquid; Ferrets; Intestinal Absorption; Intestinal Mucosa; Intestine, Small; Liver; Male; Methylation; Monoterpenes; Retinaldehyde; Terpenes; Tretinoin; Vitamin A | 1996 |
Serum vitamins' status in oral leucoplakias--a preliminary study.
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Folic Acid; Humans; Leukoplakia, Oral; Plants, Toxic; Tobacco, Smokeless; Vitamin A; Vitamin B 12; Vitamin E; Vitamins | 1996 |
Serum vitamin A and vitamin E in Japanese black fattening cattle in Miyazaki prefecture as determined by automatic column-switching high performance liquid chromatography.
Topics: Aging; Animal Feed; Animal Husbandry; Animals; Automation; beta Carotene; Cattle; Cattle Diseases; Chromatography, High Pressure Liquid; Food, Fortified; Japan; Reference Values; Vitamin A; Vitamin A Deficiency; Vitamin E; Vitamin E Deficiency; Weight Gain | 1996 |
Dietary factors and the risk of psoriasis. Results of an Italian case-control study.
Topics: Adolescent; Adult; Aged; beta Carotene; Body Mass Index; Carotenoids; Case-Control Studies; Diet; Female; Fruit; Humans; Male; Middle Aged; Psoriasis; Risk Factors; Vegetables; Vitamin A | 1996 |
Human plasma patterns during 14 days ingestion of vitamin E, beta-carotene, ascorbic acid, and their various combinations.
Topics: Adult; Ascorbic Acid; beta Carotene; Blood Cell Count; Carotenoids; Humans; Male; Middle Aged; Vitamin A; Vitamin E | 1996 |
Effects of dietary fats, alpha-tocopherol and beta-carotene supplementation on aortic ring segment responses in the rat.
Topics: Acetylcholine; Animals; Antioxidants; Aorta; beta Carotene; Carotenoids; Cholesterol; Dietary Fats; Dietary Fats, Unsaturated; Male; Muscle Relaxation; Muscle, Smooth, Vascular; Phenylephrine; Potassium Chloride; Rats; Rats, Sprague-Dawley; Vitamin A; Vitamin E | 1995 |
Nutritional state of beta-carotene and retinol in institutionalized elderly individuals of México City.
Topics: Aged; Aged, 80 and over; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Female; Humans; Male; Mexico; Nutritional Status; Reference Values; Risk Factors; Vitamin A; Vitamin A Deficiency | 1995 |
Chemoprevention of lung cancer: the beta-Carotene and Retinol Efficacy Trial (CARET) in high-risk smokers and asbestos-exposed workers.
Topics: Aged; Anticarcinogenic Agents; Asbestos; beta Carotene; Cocarcinogenesis; Female; Humans; Lung Neoplasms; Male; Middle Aged; Occupational Diseases; Occupational Exposure; Randomized Controlled Trials as Topic; Risk Factors; Smoking; Vitamin A | 1996 |
Blood selenium, vitamin E, vitamin A, and beta-carotene concentrations and udder health, fertility treatments, and fertility.
Topics: Animals; Bacterial Infections; beta Carotene; Cattle; Cell Count; Female; Fertility; Glutathione Peroxidase; Mammary Glands, Animal; Mastitis, Bovine; Milk; Pregnancy; Reproductive Techniques; Selenium; Vitamin A; Vitamin E | 1996 |
Vitamin A teratogenicity reassessed women warned to watch intake.
Topics: Abnormalities, Drug-Induced; beta Carotene; Carotenoids; Female; Humans; Neural Crest; Pregnancy; Vitamin A | 1996 |
Beta-carotene and lutein protect HepG2 human liver cells against oxidant-induced damage.
Topics: Aminoisobutyric Acids; Antioxidants; beta Carotene; Carbon Radioisotopes; Cell Line; Chromatography, High Pressure Liquid; Deoxyglucose; Humans; L-Lactate Dehydrogenase; Leucine; Lipid Peroxidation; Liver; Lutein; Micelles; Oxidative Stress; Peroxides; Pilot Projects; Reactive Oxygen Species; tert-Butylhydroperoxide; Thiobarbituric Acid Reactive Substances; Tritium; Vitamin A; Vitamin E | 1996 |
Synergistic suppression of azoxymethane-induced foci of colonic aberrant crypts by the combination of beta-carotene and perilla oil in rats.
Topics: Administration, Oral; alpha-Linolenic Acid; Animals; Anticarcinogenic Agents; Azoxymethane; beta Carotene; Biomarkers; Carcinogens; Colon; Colonic Neoplasms; Drug Synergism; Genes, ras; Intestinal Mucosa; Liver; Male; Nucleolus Organizer Region; Olive Oil; Plant Oils; Rats; Rats, Inbred F344; Retinoids; Vitamin A | 1996 |
Inclusion of oxidized vegetable oil in broiler diets. Its influence on nutrient balance and on the antioxidative status of broilers.
Topics: Adipose Tissue; alpha-Linolenic Acid; Animal Nutritional Physiological Phenomena; Animals; Antioxidants; beta Carotene; Chickens; Diet; Erythrocytes; Fatty Acids, Monounsaturated; Female; Glutathione Peroxidase; Linoleic Acid; Linoleic Acids; Liver; Lutein; Muscle, Skeletal; Oxidation-Reduction; Plant Oils; Rapeseed Oil; Selenium; Soybean Oil; Thiobarbituric Acid Reactive Substances; Vegetables; Vitamin A; Vitamin E | 1996 |
Vitamin and mineral nutritional status and other biochemical data assessed in groups of men from Crevalcore and Montegiorgio (Italy).
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Cholesterol; Copper; Diet; Humans; Italy; Leukocytes; Male; Middle Aged; Minerals; Nutritional Status; Riboflavin; Thiamine; Vitamin A; Vitamin E; Vitamins; Zinc | 1995 |
Dietary intake of specific carotenoids and vitamins A, C, and E, and prevalence of colorectal adenomas.
Topics: Adenoma; Aged; Anticarcinogenic Agents; Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Colonic Neoplasms; Cryptoxanthins; Diet; Feeding Behavior; Female; Humans; Los Angeles; Lutein; Lycopene; Male; Middle Aged; Multivariate Analysis; Prevalence; Rectal Neoplasms; Risk Factors; Sigmoidoscopy; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1996 |
Beta-carotene as antioxidant.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Diterpenes; Ferrous Compounds; Glutathione; Lipid Peroxidation; Male; Microsomes, Liver; Rats; Rats, Wistar; Retinyl Esters; Vitamin A | 1996 |
Longitudinal changes in the intake of vitamins and minerals of elderly Europeans. SENECA Investigators.
Topics: Aged; Ascorbic Acid; beta Carotene; Calcium; Diet; Europe; Female; Follow-Up Studies; Humans; Iron; Longitudinal Studies; Male; Minerals; Nutrition Surveys; Nutritional Status; Pyridoxine; Random Allocation; Riboflavin; Thiamine; Vitamin A; Vitamins | 1996 |
The effects of dietary taurocholate, fat, protein, and carbohydrate on the distribution and fate of dietary beta-carotene in ferrets.
Topics: Absorption; Adipose Tissue; Animals; Anticarcinogenic Agents; beta Carotene; Diet; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Ferrets; Liver; Lung; Male; Taurocholic Acid; Tissue Distribution; Vitamin A | 1996 |
Influence of the intake of fortified breakfast cereals on dietary habits and nutritional status of Spanish schoolchildren.
Topics: Adolescent; Anthropometry; beta Carotene; Child; Data Collection; Edible Grain; Feeding Behavior; Female; Folic Acid; Food, Fortified; Humans; Hypercholesterolemia; Incidence; Male; Nutritional Status; Pyridoxine; Riboflavin; Spain; Thiamine; Vitamin A | 1996 |
Serum vitamin A, vitamin E, and beta-carotene levels in preeclamptic women in northern nigeria.
Topics: Adolescent; Adult; beta Carotene; Blood Pressure; Chromatography, High Pressure Liquid; Eclampsia; Female; Humans; Lipids; Nigeria; Pre-Eclampsia; Pregnancy; Pregnancy Trimester, Third; Vitamin A; Vitamin E | 1996 |
Beta-carotene and lung cancer?
Topics: Adult; Aged; Aged, 80 and over; Antioxidants; beta Carotene; Cardiovascular Diseases; Contraindications; Humans; Leukoplakia, Oral; Lung Neoplasms; Male; Middle Aged; Randomized Controlled Trials as Topic; Vitamin A; Vitamin E | 1996 |
Serum levels of antioxidant vitamins in relation to coronary artery disease: a case control study of Koreans.
Topics: Adult; beta Carotene; Carotenoids; Case-Control Studies; Coronary Disease; Cryptoxanthins; Female; Humans; Korea; Lycopene; Male; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1996 |
Seasonal changes in vitamin A and beta-carotene levels in chronic hemodialysis patients.
Topics: Adult; beta Carotene; Child; Cholesterol; Humans; Nutrition Disorders; Periodicity; Renal Dialysis; Seasons; Vitamin A | 1996 |
Time course evaluation of carotenoid and retinol concentrations in posthatch chick tissue.
Topics: Analysis of Variance; Animals; beta Carotene; Canthaxanthin; Carotenoids; Chickens; Diet; Linear Models; Liver; Lutein; Time Factors; Vitamin A; Yolk Sac | 1996 |
The association between participant characteristics and serum concentrations of beta-carotene, retinol, retinyl palmitate, and alpha-tocopherol among participants in the Carotene and Retinol Efficacy Trial (CARET) for prevention of lung cancer.
Topics: Alcohol Drinking; Anticarcinogenic Agents; Asbestos; beta Carotene; Diet; Diterpenes; Female; Food, Fortified; Humans; Lung Neoplasms; Male; Micronutrients; Middle Aged; Multivariate Analysis; Nutritional Status; Occupational Exposure; Regression Analysis; Retinyl Esters; Smoking; Vitamin A; Vitamin E; Vitamins | 1996 |
cis-trans lycopene isomers, carotenoids, and retinol in the human prostate.
Topics: Aged; Anticarcinogenic Agents; Antioxidants; beta Carotene; Biomarkers; Carotenoids; Chromatography, High Pressure Liquid; Diet; Humans; Lycopene; Male; Middle Aged; Prostate; Prostatic Neoplasms; Risk Factors; Vitamin A | 1996 |
Fat-soluble vitamins in cord blood and colostrum in the south of China.
Topics: beta Carotene; China; Chromatography, High Pressure Liquid; Colostrum; Diet; Fetal Blood; Humans; Infant, Newborn; Japan; Reference Values; Solubility; Vitamin A; Vitamin D; Vitamin E; Vitamin K; Vitamins | 1996 |
Energy intake as a determinant factor of vitamin status in healthy young women.
Topics: Adult; Ascorbic Acid; beta Carotene; Diet; Energy Intake; Female; Humans; Nutritional Status; Pyridoxine; Riboflavin; Thiamine; Vitamin A; Vitamin E; Vitamins | 1996 |
Serum carotenoid concentrations and their reproducibility in children in Belize.
Topics: Belize; beta Carotene; Carotenoids; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cryptoxanthins; Diet; Humans; Lutein; Lycopene; Reproducibility of Results; Vitamin A; Vitamin A Deficiency; Xanthophylls | 1996 |
Beta-Carotene and lung cancer promotion in heavy smokers--a plausible relationship?
Topics: Antioxidants; beta Carotene; Clinical Trials as Topic; Dose-Response Relationship, Drug; Humans; Lung Neoplasms; Smoking; Vitamin A | 1996 |
Characterization of carotenoid, vitamin A, and alpha-tocopheral levels in human lung tissue and pulmonary macrophages.
Topics: Aged; beta Carotene; Bronchoalveolar Lavage Fluid; Chromatography, High Pressure Liquid; Diet; Female; Humans; Lung; Lung Neoplasms; Macrophages, Alveolar; Male; Middle Aged; Vitamin A; Vitamin E | 1996 |
Brush border membrane vesicles from rats and gerbils can be utilized to evaluate the intestinal uptake of all-trans and 9-cis beta-carotene.
Topics: Animals; beta Carotene; Cell Membrane; Female; Gerbillinae; Intestinal Absorption; Intestine, Small; Microvilli; Rats; Rats, Sprague-Dawley; Time Factors; Vitamin A | 1996 |
Plasma levels of retinol, retinol-binding protein, all-trans beta-carotene and cryptoxanthin in low birth weight infants.
Topics: beta Carotene; Cryptoxanthins; Female; Fetal Blood; Gestational Age; Humans; Infant, Low Birth Weight; Infant, Newborn; Male; Pregnancy; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Smoking; Toxemia; Vitamin A; Xanthophylls | 1995 |
Tocopherols, retinol, beta-carotene and fatty acids in fat globule membrane and fat globule core in cows' milk.
Topics: Animals; beta Carotene; Cattle; Cell Membrane; Fatty Acids; Female; Milk; Mucin-1; Vitamin A; Vitamin E | 1996 |
Human nutrition and its discontents: a personal view.
Topics: Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Clinical Trials as Topic; Disease Models, Animal; Heart Diseases; Humans; Lung Neoplasms; Nutritional Physiological Phenomena; Research Design; Vitamin A | 1996 |
Clinical teratology counseling and consultation report: high dose beta-carotene use during early pregnancy.
Topics: Abnormalities, Drug-Induced; Adult; beta Carotene; Counseling; Female; Humans; Infant, Newborn; Male; Porphyrias; Pregnancy; Pregnancy Outcome; Retinoids; Teratogens; Vitamin A | 1996 |
[Evaluation of dietary vitamin A intake in children with and without growth retardation].
Topics: beta Carotene; Child; Child, Preschool; Dietary Proteins; Energy Intake; Female; Growth Disorders; Humans; Male; Surveys and Questionnaires; Vitamin A | 1996 |
[Effects of vitamin supplements].
Topics: Aged; beta Carotene; Female; Humans; Lung Neoplasms; Male; Middle Aged; Myocardial Infarction; Vitamin A | 1996 |
beta-Carotene accumulation in mouse tissues and a protective role against lipid peroxidation.
Topics: Animals; beta Carotene; Female; Kidney; Lipid Peroxidation; Liver; Lung; Mice; Thiobarbituric Acid Reactive Substances; Vitamin A | 1996 |
[Vitamin and mineral status of the population living in the Sverdlovsk region].
Topics: Ascorbic Acid; beta Carotene; Calcium; Female; Humans; Male; Minerals; Nutritional Status; Rural Population; Seasons; Selenium; Siberia; Urban Population; Vitamin A; Vitamin E; Vitamins | 1996 |
Reference values for plasma concentrations of vitamin E and A and carotenoids in a Swiss population from infancy to adulthood, adjusted for seasonal influences.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Child; Child, Preschool; Cholesterol; Chromatography, High Pressure Liquid; Female; Humans; Infant; Lycopene; Male; Reference Values; Seasons; Switzerland; Vitamin A; Vitamin E | 1997 |
Serum beta-carotene deficiency in HIV-infected children.
Topics: Acquired Immunodeficiency Syndrome; beta Carotene; Black or African American; Black People; Body Mass Index; Case-Control Studies; Child; Child, Preschool; Hispanic or Latino; HIV Infections; Humans; Micronutrients; Nutritional Status; Vitamin A; Vitamin A Deficiency; Vitamin E; Vitamin E Deficiency; White People | 1996 |
Risk of squamous cell carcinoma of the skin in relation to plasma selenium, alpha-tocopherol, beta-carotene, and retinol: a nested case-control study.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Biomarkers, Tumor; Carcinoma, Squamous Cell; Case-Control Studies; Female; Humans; Logistic Models; Male; Middle Aged; Odds Ratio; Risk Factors; Selenium; Skin Neoplasms; Vitamin A; Vitamin E | 1997 |
["Good" and "bad" beta-carotene?].
Topics: Antioxidants; beta Carotene; Humans; Longitudinal Studies; Lung Neoplasms; Male; Randomized Controlled Trials as Topic; Risk Factors; Smoking; Vitamin A | 1996 |
[Immunomodulating and hepatoprotective action of retinoids in toxic liver involvement induced by D-galactosamine].
Topics: Adjuvants, Immunologic; Animals; Antibody Formation; Antioxidants; beta Carotene; Chemical and Drug Induced Liver Injury; Erythrocytes; Galactosamine; Immunosuppressive Agents; Lipid Peroxidation; Rats; Rats, Wistar; Sheep; Stereoisomerism; Vitamin A | 1996 |
Vitamins C and E, retinol, beta-carotene and dietary fibre in relation to breast cancer risk: a prospective cohort study.
Topics: Aged; Ascorbic Acid; beta Carotene; Breast Neoplasms; Cohort Studies; Diet Surveys; Dietary Fiber; Female; Fruit; Humans; Middle Aged; Odds Ratio; Prospective Studies; Risk; Surveys and Questionnaires; Vegetables; Vitamin A; Vitamin E | 1997 |
Natural beta-carotene and whole body irradiation in rats.
Topics: Animals; Antioxidants; beta Carotene; Free Radicals; Liver; Male; Radiation-Protective Agents; Rats; Rats, Wistar; Vitamin A; Whole-Body Irradiation | 1996 |
Vitamin A and carotenoid status in rural China.
Topics: Adult; beta Carotene; China; Diet; Female; Humans; Male; Middle Aged; Nutritional Status; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Rural Population; Vegetables; Vitamin A | 1996 |
[The effect of vitamin A and beta-carotene on the vitamin E status, ejaculation parameters and health of boar used for insemination].
Topics: Animal Feed; Animals; beta Carotene; Ejaculation; Health Status; Insemination, Artificial; Male; Oxidative Stress; Swine; Vitamin A; Vitamin E | 1996 |
Re: Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy trial.
Topics: Anticarcinogenic Agents; beta Carotene; Carcinogens; Clinical Trials as Topic; Drug Synergism; Ethanol; Humans; Isomerism; Lung Neoplasms; Risk; Risk Factors; Smoking; Treatment Outcome; Vitamin A | 1997 |
[A clinical and microscopic evaluation of the leukoplakia of oral mucosa].
Topics: beta Carotene; Humans; Leukoplakia, Oral; Mouth Mucosa; Vitamin A | 1996 |
Contribution of genetic and nutritional factors to DNA damage in heavy smokers.
Topics: Adult; beta Carotene; Cohort Studies; Cross-Sectional Studies; Cytochrome P-450 CYP1A1; DNA Damage; Exons; Female; Glutathione Transferase; Humans; Male; Middle Aged; Polymorphism, Genetic; Smoking; Vitamin A; Vitamin E | 1997 |
The influence of the reproductive cycle on levels of some metabolism indices in ewes.
Topics: Animals; Ascorbic Acid; Aspartate Aminotransferases; beta Carotene; Calcium; Copper; Energy Metabolism; Estrus; Female; Iron; Lactation; Magnesium; Potassium; Pregnancy; Pregnancy, Animal; Reproduction; Sheep; Vitamin A; Vitamin E | 1995 |
Researchers seek the role of antioxidants in apoptosis.
Topics: Animals; Antioxidants; Apoptosis; beta Carotene; Humans; Lymphoma, B-Cell; Oxidation-Reduction; Proto-Oncogene Proteins c-bcl-2; Vitamin A | 1997 |
Supercritical fluid extraction and reversed-phase liquid chromatography methods for vitamin A and beta-carotene heterogeneous distribution of vitamin A in the liver.
Topics: Animals; Antioxidants; beta Carotene; Cattle; Chromatography, High Pressure Liquid; Liver; Reproducibility of Results; Spectrophotometry, Ultraviolet; Vitamin A | 1997 |
Effects of provitamin A or non-provitamin A carotenoids on liver xenobiotic-metabolizing enzymes in mice.
Topics: Animals; beta Carotene; Canthaxanthin; Carotenoids; Cytochrome P-450 CYP1A1; Cytochrome P-450 CYP2B1; Cytochrome P-450 Enzyme System; Cytosol; Enzyme Induction; Liver; Male; Methylcholanthrene; Mice; Microsomes, Liver; Oxidoreductases; Vitamin A; Xanthophylls; Xenobiotics | 1997 |
Reduced plasma concentrations of alpha-tocopherol and beta-carotene in obese boys.
Topics: Adolescent; beta Carotene; Cholesterol; Humans; Male; Obesity; Triglycerides; Vitamin A; Vitamin E | 1997 |
Maternal serum vitamin A levels are not associated with mother-to-child transmission of HIV-1 in the United States.
Topics: beta Carotene; Carotenoids; Cohort Studies; Female; HIV Infections; HIV-1; Humans; Infant; Infectious Disease Transmission, Vertical; Lycopene; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Trimester, Third; United States; Vitamin A; Vitamin E | 1997 |
The protective effect of beta-carotene and retinol on ventilatory function in an asbestos-exposed cohort.
Topics: Aged; Asbestos; beta Carotene; Clinical Trials as Topic; Cross-Sectional Studies; Forced Expiratory Volume; Humans; Male; Middle Aged; Occupational Exposure; Pilot Projects; Respiration; Risk Assessment; Smoking; Time Factors; Vital Capacity; Vitamin A | 1997 |
Ascorbate and urate are the strongest determinants of plasma antioxidative capacity and serum lipid resistance to oxidation in Finnish men.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Cholesterol; Copper; Female; Finland; Free Radicals; Humans; Lipids; Lipoproteins; Male; Middle Aged; Oxidation-Reduction; Smoking; Triglycerides; Uric Acid; Vitamin A; Vitamin E | 1997 |
The age-associated decline in immune function of healthy individuals is not related to changes in plasma concentrations of beta-carotene, retinol, alpha-tocopherol or zinc.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Cell Division; Concanavalin A; Female; Humans; Leukocytes, Mononuclear; Male; Mitogens; Phytohemagglutinins; Vitamin A; Vitamin E; Zinc | 1997 |
[The effect of vitamin- and beta-carotene-enriched products on the vitamin A allowance and the concentration of different carotenoids of the blood serum in victims of the accident at the Chernobyl Atomic Electric Power Station].
Topics: beta Carotene; Carotenoids; Drug Evaluation; Food, Fortified; Humans; Moscow; Power Plants; Radiation Injuries; Radiation-Protective Agents; Radioactive Hazard Release; Ukraine; Vitamin A; Vitamins | 1996 |
Carotenoid composition and vitamin A value of Brazilian loquat (Eriobotrya japonica Lindl.).
Topics: beta Carotene; Brazil; Carotenoids; Fruit; Israel; Japan; Vitamin A | 1995 |
Serum concentrations of alpha tocopherol, beta carotene, and retinol preceding the diagnosis of rheumatoid arthritis and systemic lupus erythematosus.
Topics: Adult; Arthritis, Rheumatoid; beta Carotene; Biomarkers; Case-Control Studies; Female; Humans; Lupus Erythematosus, Systemic; Male; Middle Aged; Prospective Studies; Vitamin A; Vitamin E; Vitamins | 1997 |
Reference values for retinol, tocopherol, and main carotenoids in serum of control and insulin-dependent diabetic Spanish subjects.
Topics: Adolescent; Adult; Aged; Antioxidants; beta Carotene; Carotenoids; Child; Child, Preschool; Diabetes Mellitus, Type 1; Female; Humans; Lutein; Male; Middle Aged; Reference Values; Regression Analysis; Sex Factors; Spain; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1997 |
Transgenic rice (Oryza sativa) endosperm expressing daffodil (Narcissus pseudonarcissus) phytoene synthase accumulates phytoene, a key intermediate of provitamin A biosynthesis.
Topics: Alkyl and Aryl Transferases; beta Carotene; Blotting, Western; Carotenoids; Crosses, Genetic; Genes, Plant; Genetic Engineering; Geranylgeranyl-Diphosphate Geranylgeranyltransferase; Oryza; Pigments, Biological; Plants, Genetically Modified; Polymerase Chain Reaction; Seeds; Transferases; Transformation, Genetic; Vitamin A | 1997 |
Antioxidant micronutrients and childhood malignancy during oncological treatment.
Topics: Adolescent; Antioxidants; beta Carotene; Bone Neoplasms; C-Reactive Protein; Case-Control Studies; Central Nervous System Neoplasms; Child; Child, Preschool; Cholesterol; Chromatography, High Pressure Liquid; Female; Follow-Up Studies; Humans; Immunoglobulins; Infant; Leukemia; Male; Micronutrients; Neoplasms; Pilot Projects; Selenium; Serum Albumin; Vitamin A; Vitamin E; Zinc | 1997 |
Taste perception in cirrhosis: its relationship to circulating micronutrients and food preferences.
Topics: Adult; Age Factors; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Dentures; Diet; Diet, Sodium-Restricted; Female; Food Preferences; Humans; Liver Cirrhosis; Magnesium; Male; Micronutrients; Middle Aged; Sex Factors; Smell; Taste; Vitamin A; Zinc | 1997 |
Hepatic tocopherol content in primary hepatocellular carcinoma and liver metastases.
Topics: Aged; beta Carotene; Carcinoma, Hepatocellular; Carotenoids; Female; Humans; Lipids; Liver; Liver Neoplasms; Male; Middle Aged; Vitamin A; Vitamin E | 1997 |
Assessment of the nutritional effects of olestra, a nonabsorbed fat replacement: summary.
Topics: Animals; beta Carotene; Biological Availability; Carotenoids; Diarrhea; Diet; Dietary Fats, Unsaturated; Fat Substitutes; Fatty Acids; Humans; Liver; Nutritional Status; Sucrose; Vitamin A; Vitamins | 1997 |
Use of a raw meat-based diet or a dry kibble diet for sand cats (Felis margarita).
Topics: Animal Feed; Animals; beta Carotene; Body Mass Index; Calcium; Carnivora; Diet; Dietary Proteins; Digestion; Energy Intake; Energy Metabolism; Female; Male; Meat; Phosphorus; Taurine; Vitamin A | 1997 |
The effect of beta-carotene and vitamins A, D3 and E on some reproductive parameters in cows.
Topics: Animal Feed; Animal Husbandry; Animals; beta Carotene; Cattle; Cholecalciferol; Female; Fertility; Nutritional Requirements; Pregnancy; Reproduction; Vitamin A; Vitamin E | 1997 |
Assessment of serum antioxidant micronutrients and biochemical indicators of nutritional status in children with cancer in search of prognostic factors.
Topics: Adolescent; Antioxidants; beta Carotene; Child; Child, Preschool; Female; Humans; Infant; Male; Neoplasms; Nutritional Status; Prognosis; Reference Values; Selenium; Vitamin A; Vitamin E; Zinc | 1997 |
Effect of increased fruit and vegetable intake on the susceptibility of lipoprotein to oxidation in smokers.
Topics: Adult; beta Carotene; Carotenoids; Cryptoxanthins; Diet; Female; Fruit; Glutathione; Humans; Lipid Peroxidation; Lipoproteins, LDL; Lutein; Male; Malondialdehyde; Oxidation-Reduction; Smoking; Vegetables; Vitamin A; Xanthophylls | 1997 |
Plasma retinol and plasma and lipoprotein tocopherol and carotenoid concentrations in healthy elderly participants of the Framingham Heart Study.
Topics: Aged; Aged, 80 and over; beta Carotene; Carotenoids; Cohort Studies; Cryptoxanthins; Female; Follow-Up Studies; Humans; Lipoproteins; Lutein; Lycopene; Male; Sex Characteristics; Vitamin A; Vitamin E; Xanthophylls | 1997 |
Beta-carotene intake and risk of nonfatal acute myocardial infarction in women.
Topics: Adolescent; Adult; Aged; Antioxidants; beta Carotene; Case-Control Studies; Chi-Square Distribution; Female; Humans; Italy; Logistic Models; Middle Aged; Myocardial Infarction; Risk Factors; Smoking; Vitamin A | 1997 |
Assessing metabolism of beta-[13C]carotene using high-precision isotope ratio mass spectrometry.
Topics: beta Carotene; Carbon Isotopes; Chlorophyta; Chromatography, High Pressure Liquid; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Reproducibility of Results; Retinoids; Sensitivity and Specificity; Vitamin A | 1997 |
Atmospheric pressure chemical ionization and electron capture negative chemical ionization mass spectrometry in studying beta-carotene conversion to retinol in humans.
Topics: beta Carotene; Carbon Isotopes; Chromatography, High Pressure Liquid; Deuterium; Gas Chromatography-Mass Spectrometry; Humans; Mass Spectrometry; Regression Analysis; Reproducibility of Results; Time Factors; Vitamin A | 1997 |
Vitamin A repletion in thoroughbred mares with retinyl palmitate or beta-carotene.
Topics: Animals; beta Carotene; Diet; Dietary Supplements; Diterpenes; Dose-Response Relationship, Drug; Female; Horses; Retinyl Esters; Seasons; Vitamin A | 1997 |
Plasma (carotenoids, retinol, alpha-tocopherol) and tissue (carotenoids) levels after supplementation with beta-carotene in subjects with precancerous and cancerous lesions of sigmoid colon.
Topics: Adenomatous Polyposis Coli; Adult; Aged; beta Carotene; Carotenoids; Colonic Neoplasms; Female; Humans; Intestinal Mucosa; Male; Middle Aged; Precancerous Conditions; Vitamin A; Vitamin E | 1997 |
Lobe of origin and histologic type of lung cancer associated with asbestos exposure in the Carotene and Retinol Efficacy Trial (CARET).
Topics: Adenocarcinoma; Anticarcinogenic Agents; beta Carotene; Causality; Confounding Factors, Epidemiologic; Diterpenes; Double-Blind Method; Female; Humans; Lung Neoplasms; Male; Middle Aged; Multicenter Studies as Topic; Occupational Diseases; Occupational Exposure; Prospective Studies; Pulmonary Fibrosis; Randomized Controlled Trials as Topic; Retinyl Esters; Smoking; Vitamin A | 1997 |
Effects of replacement of native fat in colostrum and milk with coconut oil on fat-soluble vitamins in serum and immune function in calves.
Topics: Aging; Animals; Animals, Newborn; beta Carotene; Calcitriol; Cattle; Coconut Oil; Colostrum; Dietary Fats; DNA; Immunity; Immunoglobulin G; Immunoglobulin M; Interferon-gamma; Leukocytes, Mononuclear; Milk; Plant Oils; Tretinoin; Vitamin A; Vitamin E; Vitamins | 1997 |
Intake of carrots, spinach, and supplements containing vitamin A in relation to risk of breast cancer.
Topics: Adult; Antioxidants; beta Carotene; Breast Neoplasms; Case-Control Studies; Daucus carota; Diet Surveys; Dietary Supplements; Female; Humans; Middle Aged; Multivariate Analysis; Odds Ratio; Spinacia oleracea; Vitamin A | 1997 |
The effect of alpha-tocopherol and beta-carotene supplementation on COPD symptoms.
Topics: Aged; Antioxidants; beta Carotene; Bronchitis; Cough; Dietary Supplements; Dyspnea; Humans; Lung Diseases, Obstructive; Male; Middle Aged; Vitamin A; Vitamin E | 1997 |
Effect of traditional processing practices on the content of total carotenoid, beta-carotene, alpha-carotene and vitamin A activity of selected Tanzanian vegetables.
Topics: Amaranthus; beta Carotene; Carotenoids; Food Analysis; Food Handling; Tanzania; Vegetables; Vitamin A | 1997 |
Antioxidant defences and lipid peroxidation in preterm infants.
Topics: Antioxidants; beta Carotene; Birth Weight; Cholesterol; Gestational Age; Humans; Infant Food; Infant, Newborn; Infant, Premature; Lipid Peroxidation; Malondialdehyde; Milk, Human; Triglycerides; Vitamin A; Vitamin E | 1997 |
Re: Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy Trial.
Topics: Alcohol Drinking; beta Carotene; Carcinogens; Humans; Lung Neoplasms; Smoking; Vitamin A; Vitamin E | 1997 |
beta-Carotene beadlets potentiate hepatotoxicity of alcohol.
Topics: Animals; beta Carotene; Central Nervous System Depressants; Diet; Dosage Forms; Drug Synergism; Ethanol; Lipid Peroxidation; Liver; Male; Rats; Rats, Sprague-Dawley; Vitamin A | 1997 |
Variability in the intercomparison of food carotenoid content data: a user's point of view.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Food Analysis; Fruit; Humans; Nutrition Assessment; Plants; Quality Control; Spain; Statistics as Topic; Vegetables; Vitamin A; Xanthophylls | 1997 |
Concurrent liquid chromatographic separation and photodiode array detection of retinol, tocopherols, all-trans-alpha-carotene, all-trans-beta-carotene and the mono-cis isomers of beta-carotene in extracts of human plasma.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Mass Spectrometry; Photochemistry; Sensitivity and Specificity; Stereoisomerism; Vitamin A; Vitamin E | 1997 |
[Prophylactic food products in a diet of patients with diabetes++ mellitus, type II].
Topics: Adult; Ascorbic Acid; beta Carotene; Blood Pressure; Diabetes Mellitus, Type 2; Diet, Sodium-Restricted; Dietary Supplements; Female; Humans; Lipid Peroxidation; Male; Middle Aged; Potassium; Pyridoxine; Riboflavin; Sodium; Treatment Outcome; Vitamin A; Vitamin E | 1997 |
Comparative effects of malaria and malnutrition on plasma concentrations of antioxidant micronutrients in children.
Topics: Antioxidants; beta Carotene; Body Weight; Child; Child, Preschool; Humans; Infant; Malaria; Nigeria; Nutrition Disorders; Vitamin A; Vitamin E | 1997 |
Stereochemical isomers composition and vitamin A value of Brazilian palm oils.
Topics: beta Carotene; Brazil; Carotenoids; Nutritive Value; Nuts; Plant Oils; Stereoisomerism; Vitamin A | 1996 |
beta-carotene inhibits persistent and stimulates remodeling gamma GT-positive preneoplastic lesions during early promotion of hepatocarcinogenesis.
Topics: Animals; Anticarcinogenic Agents; beta Carotene; Diterpenes; gamma-Glutamyltransferase; Liver; Liver Neoplasms; Male; Precancerous Conditions; Rats; Rats, Wistar; Retinyl Esters; Vitamin A | 1997 |
Age-specific reference intervals for plasma vitamins A, E and beta-carotene and for serum zinc, retinol-binding protein and prealbumin for Sydney children aged 9-62 months.
Topics: Aging; Australia; beta Carotene; Child, Preschool; Female; Humans; Infant; Iron; Male; Prealbumin; Reference Values; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Surveys and Questionnaires; Vitamin A; Vitamin E; Zinc | 1997 |
In vitro and in vivo inhibition of beta-carotene dioxygenase activity by canthaxanthin in rat intestine.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Binding Sites; Canthaxanthin; Carotenoids; Diet; Enzyme Inhibitors; Female; Intestinal Absorption; Intestinal Mucosa; Kinetics; Liver; Organ Size; Oxygenases; Rats; Rats, Wistar; Substrate Specificity; Vitamin A; Xanthophylls; Zeaxanthins | 1997 |
Different embryotoxic effect of vitamin A and B-carotene detected in the chick embryo.
Topics: Animals; beta Carotene; Chick Embryo; Teratogens; Vitamin A | 1997 |
Ferrets (Mustela putoius furo) inefficiently convert beta-carotene to vitamin A.
Topics: Adrenal Glands; Animals; beta Carotene; Chromatography, High Pressure Liquid; Diet; Drug Combinations; Ferrets; Liver; Male; Tissue Distribution; Vitamin A; Weight Gain | 1998 |
The mongolian gerbil (Meriones unguiculatus) is an appropriate animal model for evaluation of the conversion of beta-carotene to vitamin A.
Topics: Animals; beta Carotene; Chromatography, High Pressure Liquid; Diet; Drug Combinations; Gerbillinae; Liver; Male; Models, Biological; Tissue Distribution; Vitamin A; Vitamin A Deficiency | 1998 |
Serum vitamin A and beta-carotene levels in children with recurrent acute respiratory infections and diarrhoea in Malatya.
Topics: Acute Disease; beta Carotene; Case-Control Studies; Child; Child, Preschool; Deficiency Diseases; Developing Countries; Diarrhea; Female; Humans; Incidence; Infant; Male; Recurrence; Respiratory Tract Infections; Turkey; Urban Population; Vitamin A; Vitamin A Deficiency | 1997 |
Vitamin A and beta-carotene can improve nonheme iron absorption from rice, wheat and corn by humans.
Topics: Absorption; Adult; beta Carotene; Female; Humans; Hydrogen-Ion Concentration; Iron; Male; Oryza; Solubility; Triticum; Vitamin A; Zea mays | 1998 |
Serum antioxidants and risk of non-insulin dependent diabetes mellitus.
Topics: Aged; Aging; Antioxidants; beta Carotene; Blood Glucose; Body Mass Index; Case-Control Studies; Diabetes Mellitus, Type 2; Female; Humans; Hypertension; Longitudinal Studies; Male; Middle Aged; Obesity; Risk Factors; Smoking; Vitamin A; Vitamin E | 1998 |
beta-Carotene uptake and effects on intracellular levels of retinol in vitro.
Topics: 3T3 Cells; Animals; beta Carotene; Cell Line; Chromatography, High Pressure Liquid; Cornea; Culture Media; Embryo, Mammalian; Epithelial Cells; Fibroblasts; Humans; Liver; Mice; Mice, Inbred BALB C; Rabbits; Rats; Vitamin A | 1998 |
Vitamins A and E: further clues for prostate cancer prevention.
Topics: Anticarcinogenic Agents; beta Carotene; Carotenoids; Cell Transformation, Neoplastic; Humans; Lycopene; Male; Prostatic Neoplasms; Risk Factors; Vitamin A; Vitamin E | 1998 |
Some natural and synthetic antioxidants as stabilizers of beta-carotene conversion into vitamin A.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Butylated Hydroxytoluene; Dietary Supplements; Drug Stability; Intestinal Mucosa; Oxygen; Oxygenases; Probucol; Quercetin; Rabbits; Rats; Rats, Wistar; Vitamin A; Vitamin E | 1998 |
A routine method for the simultaneous measurement of retinol, alpha-tocopherol and five carotenoids in human plasma by reverse phase HPLC.
Topics: Adult; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Drug Stability; Humans; Lutein; Lycopene; Middle Aged; Reference Values; Sensitivity and Specificity; Vitamin A; Vitamin E; Xanthophylls | 1998 |
Fortified foods contribute one half of recommended vitamin A intake in poor urban Guatemalan toddlers.
Topics: beta Carotene; Breast Feeding; Child, Preschool; Diet Records; Female; Food, Fortified; Guatemala; Humans; Infant; Infant Nutritional Physiological Phenomena; Male; Urban Population; Vitamin A | 1998 |
Comprehensive nutritional status in patients with long-standing Crohn disease currently in remission.
Topics: Adult; beta Carotene; Biomarkers; Body Composition; Case-Control Studies; Crohn Disease; Data Interpretation, Statistical; Diet; Energy Intake; Female; Humans; Male; Middle Aged; Muscle, Skeletal; Nutrition Disorders; Nutritional Status; Physical Endurance; Remission Induction; Time Factors; Vitamin A | 1998 |
Plasma beta-carotene, retinol, and alpha-tocopherol levels in relation to glycemic control of children with insulin-dependent diabetes mellitus.
Topics: Adolescent; beta Carotene; Blood Glucose; Child; Diabetes Mellitus, Type 1; Female; Fructosamine; Glycated Hemoglobin; Humans; Lipids; Male; Vitamin A; Vitamin E | 1998 |
Night blindness of pregnancy in rural Nepal--nutritional and health risks.
Topics: Adult; beta Carotene; Case-Control Studies; Female; Health Status Indicators; Hemoglobins; Humans; Nepal; Night Blindness; Nutrition Assessment; Pregnancy; Pregnancy Complications; Risk Factors; Rural Population; Social Class; Vitamin A; Vitamin A Deficiency | 1998 |
Serum vitamin A and beta-carotene concentrations and renal scarring in urinary tract infections.
Topics: beta Carotene; Child; Child, Preschool; Cicatrix; Humans; Kidney Diseases; Radionuclide Imaging; Recurrence; Technetium Tc 99m Dimercaptosuccinic Acid; Urinary Tract Infections; Vitamin A | 1998 |
Experts air new findings on lung diseases.
Topics: beta Carotene; Cardiovascular Diseases; Dietary Supplements; Environmental Exposure; Humans; Lung Diseases; Lung Neoplasms; Pneumonectomy; Pulmonary Emphysema; Risk Factors; Sleep Apnea Syndromes; Vitamin A | 1998 |
Tissue stores of beta-carotene are not conserved for later use as a source of vitamin A during compromised vitamin A status in mongolian gerbils (Meriones unguiculatus).
Topics: Animals; beta Carotene; Diet; Gerbillinae; Male; Time Factors; Vitamin A; Vitamin A Deficiency | 1998 |
Effect of simultaneous, single oral doses of beta-carotene with lutein or lycopene on the beta-carotene and retinyl ester responses in the triacylglycerol-rich lipoprotein fraction of men.
Topics: Absorption; Adult; beta Carotene; Carotenoids; Diterpenes; Humans; Kinetics; Lipoproteins; Lutein; Lycopene; Male; Retinyl Esters; Triglycerides; Vegetables; Vitamin A | 1998 |
Dietary iron elevates LDL-cholesterol and decreases plasma antioxidant levels: influence of antioxidants.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Cholesterol, HDL; Cholesterol, LDL; Iron, Dietary; Lipid Peroxidation; Male; Rats; Rats, Sprague-Dawley; Triglycerides; Vitamin A; Vitamin E | 1998 |
Taurocholate stimulates the absorption and biotransformation of beta-carotene in intact and lymph duct-cannulated ferrets.
Topics: Absorption; Animals; Antineoplastic Agents; beta Carotene; Biotransformation; Carbon Radioisotopes; Catheterization; Chromatography, High Pressure Liquid; Diterpenes; Ferrets; Liver; Lung; Lymph; Lymphatic System; Male; Retinyl Esters; Taurocholic Acid; Vitamin A | 1998 |
Chylomicron beta-carotene and retinyl palmitate responses are dramatically diminished when men ingest beta-carotene with medium-chain rather than long-chain triglycerides.
Topics: Adult; beta Carotene; Biological Availability; Chylomicrons; Diterpenes; Drug Interactions; Food; Humans; Kinetics; Male; Retinyl Esters; Triglycerides; Vitamin A | 1998 |
[Carotenoids and vitamin A in fish].
Topics: Animals; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Fishes; Meat; Meat Products; Salmon; Species Specificity; Trout; Vitamin A; Xanthophylls | 1998 |
Vitamin supplements.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Diet; Dietary Supplements; Female; Folic Acid; Humans; Male; Middle Aged; Osteoporosis; Vitamin A; Vitamin B 12; Vitamin D; Vitamin E; Vitamins | 1998 |
Vitamin intake and status in a group of subjects from the Gubbio area Italy.
Topics: Adult; beta Carotene; Chromatography, High Pressure Liquid; Diet; Female; Humans; Italy; Male; Middle Aged; Niacin; Nutritional Status; Riboflavin; Thiamine; Vitamin A; Vitamin E; Vitamins | 1998 |
Serum antioxidant vitamins and risk of lung and stomach cancers in Shenyang, China.
Topics: Adult; Aged; Antioxidants; beta Carotene; Case-Control Studies; China; Female; Humans; Lung Neoplasms; Male; Middle Aged; Odds Ratio; Risk Factors; Smoking; Stomach Neoplasms; Vitamin A; Vitamin E | 1998 |
[letter].
Topics: Anticarcinogenic Agents; beta Carotene; Chemoprevention; Diet; Humans; Imidazoles; Neoplasms; Risk Factors; Vitamin A | 1998 |
On the usefulness of drug metabolising enzyme modulation for anti-cancer strategies.
Topics: Anticarcinogenic Agents; beta Carotene; Chemoprevention; Diet; Enzyme Inhibitors; Humans; Mutagens; Neoplasms; Risk Factors; Vitamin A; Xenobiotics | 1998 |
The occurrence of retinol and carotenoids in human subretinal fluid.
Topics: Adult; Aged; beta Carotene; Chromatography, High Pressure Liquid; Exudates and Transudates; Humans; Lutein; Middle Aged; Retinal Detachment; Scleral Buckling; Vitamin A; Xanthophylls; Zeaxanthins | 1998 |
The stability of retinol, alpha-tocopherol, trans-lycopene, and trans-beta-carotene in liquid-frozen and lyophilized serum.
Topics: Anticarcinogenic Agents; Antioxidants; beta Carotene; Blood Banks; Blood Specimen Collection; Carotenoids; Drug Stability; Freeze Drying; Freezing; Humans; Lycopene; Time Factors; Vitamin A; Vitamin E | 1998 |
Association between diet and lung cancer location.
Topics: Administration, Inhalation; Age Factors; Aged; Analysis of Variance; Anticarcinogenic Agents; Antioxidants; Asbestos; Ascorbic Acid; beta Carotene; Carcinogens; Carotenoids; Diet; Dietary Fats; Educational Status; Energy Intake; Female; Forecasting; Fruit; Humans; Logistic Models; Lung; Lung Neoplasms; Male; Racial Groups; Risk Factors; Sex Factors; Smoking; Vegetables; Vitamin A; Vitamin E | 1998 |
Beta-carotene reduces the ductular (oval) cell reaction in the liver of Wistar rats submitted to the resistant hepatocyte model of carcinogenesis.
Topics: 2-Acetylaminofluorene; Actins; Animals; beta Carotene; Bile Ducts, Intrahepatic; Collagen; Diethylnitrosamine; Fibroblasts; Glutathione Transferase; Immunoenzyme Techniques; Liver; Liver Neoplasms, Experimental; Male; Precancerous Conditions; Rats; Rats, Wistar; Vitamin A | 1998 |
Compartmental models of vitamin A and beta-carotene metabolism in women.
Topics: Adult; Anticarcinogenic Agents; beta Carotene; Chromatography, High Pressure Liquid; Computer Simulation; Deuterium; Diterpenes; Female; Gas Chromatography-Mass Spectrometry; Humans; Kinetics; Models, Biological; Retinyl Esters; Vitamin A | 1998 |
Relationship of plasma carotenoids, retinol and tocopherols in mothers and newborn infants.
Topics: Adult; beta Carotene; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Cryptoxanthins; Female; Fetal Blood; Humans; Infant, Newborn; Lipase; Lutein; Pregnancy; Triglycerides; Vitamin A; Vitamin E; Xanthophylls | 1998 |
Plasma levels of beta-carotene, lycopene, canthaxanthin, retinol, and alpha- and tau-tocopherol in cervical intraepithelial neoplasia and cancer.
Topics: Adult; Aged; beta Carotene; Canthaxanthin; Carotenoids; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Female; Humans; Lycopene; Middle Aged; Smoking; Uterine Cervical Dysplasia; Uterine Cervical Neoplasms; Vitamin A; Vitamin E | 1996 |
The bioavailability of alpha- and beta-carotene is affected by gut microflora in the rat.
Topics: Analysis of Variance; Animals; Anti-Bacterial Agents; beta Carotene; Biological Availability; Carotenoids; Enzyme Inhibitors; Feces; Female; Germ-Free Life; Humans; Intestinal Mucosa; Intestines; Liver; Omeprazole; Rats; Rats, Inbred F344; Rats, Wistar; Vitamin A | 1998 |
Changes in plasma carotenoid and vitamin E profile during supplementation with oil palm fruit carotenoids.
Topics: Adult; beta Carotene; Carotenoids; Dietary Fats, Unsaturated; Female; Humans; Lutein; Lycopene; Middle Aged; Palm Oil; Plant Oils; Vitamin A; Vitamin E | 1998 |
Effects on performance, tissue integrity, and metabolism of vitamin E supplementation for beef heifers fed a diet that contains gossypol.
Topics: Alkaline Phosphatase; Animal Feed; Animals; beta Carotene; Cattle; Cottonseed Oil; Creatine Kinase; Dietary Supplements; Diterpenes; Female; Gossypol; Hematocrit; Hemoglobins; Liver; Myocardium; Neck Muscles; Osmotic Fragility; Random Allocation; Retinoids; Retinyl Esters; Vitamin A; Vitamin E; Weight Gain | 1998 |
The contribution of various foods to intake of vitamin A and carotenoids in The Netherlands.
Topics: Adolescent; Adult; Aged; beta Carotene; Carotenoids; Child; Child, Preschool; Cohort Studies; Diet; Dietary Fats; Dietary Fats, Unsaturated; Female; Food; Humans; Infant; Lutein; Lycopene; Male; Meat; Middle Aged; Netherlands; Vegetables; Vitamin A; Xanthophylls; Zeaxanthins | 1998 |
Blood plasma levels of lipoperoxides, glutathione peroxidase, beta carotene, vitamin A and E in women with habitual abortion.
Topics: Abortion, Habitual; Adult; Alkaline Phosphatase; beta Carotene; Electrolytes; Female; Glutathione Peroxidase; Humans; Lipid Peroxidation; Lipid Peroxides; Liver Function Tests; Oxidative Stress; Pregnancy; Vitamin A; Vitamin E | 1998 |
Low serum carotene level and increased risk of ischemic heart disease related to long-term arsenic exposure.
Topics: Adult; Alcohol Drinking; Antioxidants; Arsenic; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Lycopene; Multivariate Analysis; Myocardial Ischemia; Risk Factors; Smoking; Socioeconomic Factors; Surveys and Questionnaires; Taiwan; Time Factors; Vitamin A; Vitamin E; Water Supply | 1998 |
[Changes in the plasma concentration of vitamin A, vitamin E and beta-carotene in polytrauma patients and in patients with osteitis in relation to course of illness].
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Female; Humans; Male; Middle Aged; Multiple Trauma; Osteitis; Prognosis; Reference Values; Survival Rate; Vitamin A; Vitamin E | 1998 |
Moderate zinc and vitamin A deficiency in breast milk of mothers from East-Jakarta.
Topics: Adult; beta Carotene; Birth Weight; Body Mass Index; Carotenoids; Cross-Sectional Studies; Female; Humans; Indonesia; Lycopene; Milk, Human; Reference Values; Socioeconomic Factors; Vitamin A; Vitamin A Deficiency; Vitamin E; Zinc | 1998 |
Retinoid signaling and activator protein-1 expression in ferrets given beta-carotene supplements and exposed to tobacco smoke.
Topics: Animals; beta Carotene; Cell Division; Cocarcinogenesis; Diterpenes; Down-Regulation; Environmental Exposure; Ferrets; Gene Expression Regulation; Genes, fos; Genes, jun; Humans; Lung; Lung Neoplasms; Male; Metaplasia; Nicotiana; Plants, Toxic; Precancerous Conditions; Proliferating Cell Nuclear Antigen; Receptors, Retinoic Acid; Retinyl Esters; Signal Transduction; Smoke; Transcription Factor AP-1; Tretinoin; Vitamin A | 1999 |
Retinol dietary intake and oral leukoplakia development.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Carotenoids; Case-Control Studies; Cohort Studies; Dairy Products; Diet; Eggs; Feeding Behavior; Female; Fruit; Humans; Leukoplakia, Oral; Male; Middle Aged; Reference Values; Smoking; Vegetables; Vitamin A | 1998 |
Purification and characterization of cellular carotenoid-binding protein from mammalian liver.
Topics: Animals; beta Carotene; Binding, Competitive; Carotenoids; Carrier Proteins; Chromatography, Affinity; Ferrets; Liver; Male; Vitamin A | 1999 |
Determinants of plasma retinol concentrations of middle-aged women in rural China.
Topics: Adult; beta Carotene; C-Reactive Protein; China; Cholesterol; Copper; Diet; Dietary Carbohydrates; Energy Intake; Female; Humans; Menopause; Middle Aged; Plant Oils; Reference Values; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Vitamin A | 1999 |
The food matrix of spinach is a limiting factor in determining the bioavailability of beta-carotene and to a lesser extent of lutein in humans.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Cholesterol; Dietary Fiber; Female; Food Handling; Humans; Lutein; Male; Middle Aged; Nutritive Value; Spinacia oleracea; Triglycerides; Vitamin A | 1999 |
Effect of vitamin A and beta carotene supplementation on women's health.
Topics: beta Carotene; Dietary Supplements; Female; Humans; Nepal; Pregnancy; Pregnancy Complications; Vitamin A; Women's Health | 1999 |
Studies on the effect of dose size on the absorption of beta-carotene by the rat in vivo.
Topics: Animals; beta Carotene; Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Esterification; Intestinal Absorption; Intestinal Mucosa; Intestine, Small; Intubation, Gastrointestinal; Liver; Male; Rats; Rats, Sprague-Dawley; Vitamin A | 1999 |
Dietary carotenoids and vitamins A, C, and E and risk of breast cancer.
Topics: Adult; Ascorbic Acid; beta Carotene; Breast Neoplasms; Carotenoids; Diet; Feeding Behavior; Female; Humans; Middle Aged; Multivariate Analysis; Premenopause; Prospective Studies; Risk; Surveys and Questionnaires; Vitamin A; Vitamin E | 1999 |
Food labeling: health claims; antioxidant vitamin A and beta-carotene and the risk in adults of atherosclerosis, coronary heart disease, and in cancers--FDA. Interim final rule.
Topics: Adult; Arteriosclerosis; beta Carotene; Coronary Disease; Drug Approval; Food Labeling; Humans; Neoplasms; Risk Factors; United States; United States Food and Drug Administration; Vitamin A | 1998 |
Serum antioxidative vitamin levels and lipid peroxidation in gastric carcinoma patients.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Chromatography, High Pressure Liquid; Feeding Behavior; Female; Humans; Lipid Peroxidation; Male; Malondialdehyde; Stomach Neoplasms; Surveys and Questionnaires; Vitamin A; Vitamin E; Vitamins | 1999 |
Storage of retinoids and beta-carotene in the genital organs of Japanese quail.
Topics: Animals; Anticarcinogenic Agents; beta Carotene; Chromatography, High Pressure Liquid; Coturnix; Diterpenes; Female; Male; Ovarian Follicle; Retinyl Esters; Sex Characteristics; Testis; Vitamin A | 1999 |
The status of retinoids in women suffering from hyper- and hypothyroidism: interrelationship between vitamin A, beta-carotene and thyroid hormones.
Topics: Adolescent; Adult; beta Carotene; Female; Humans; Hyperthyroidism; Hypothyroidism; Middle Aged; Retinoids; Thyroid Hormones; Thyroxine; Triiodothyronine; Vitamin A | 1999 |
In vitro growth changes of oral human keratinocytes after treatment with carotenoids, retinoid, and/or DMBA.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Adult; Animals; Anticarcinogenic Agents; beta Carotene; Canthaxanthin; Carcinogens; Cell Division; Cell Transformation, Neoplastic; Chromatography, High Pressure Liquid; Diterpenes; Flow Cytometry; Gene Expression Regulation; Humans; Immunohistochemistry; Keratinocytes; Male; Mice; Mice, Nude; Mouth Mucosa; Mouth Neoplasms; Retinyl Esters; Vitamin A | 1999 |
The effect of selective low-density lipoprotein apheresis on plasma lipoperoxides and antioxidant vitamins in familial hypercholesterolemic patients.
Topics: Adult; Antioxidants; beta Carotene; Biocompatible Materials; Blood Component Removal; Case-Control Studies; Cholesterol; Cholesterol, LDL; Coronary Artery Disease; Female; Follow-Up Studies; Humans; Hyperlipoproteinemia Type II; Lipid Peroxidation; Lipid Peroxides; Lipoproteins, LDL; Male; Membranes, Artificial; Middle Aged; Peroxides; Triglycerides; Vitamin A; Vitamin E | 1998 |
Promoting vitamin A status in low-income countries.
Topics: beta Carotene; Biological Availability; Child, Preschool; Developing Countries; Diet; Female; Fruit; Health Promotion; Humans; Nutritional Status; Vegetables; Vitamin A; Vitamin A Deficiency | 1999 |
Decrease in serum levels of vitamin A and zeaxanthin in patients with colorectal polyp.
Topics: Adenocarcinoma; Adenomatous Polyps; beta Carotene; Blood Proteins; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Colonic Polyps; Colonoscopy; Cryptoxanthins; Female; Hemoglobins; Humans; Intestinal Polyps; Lutein; Male; Middle Aged; Rectal Neoplasms; Serum Albumin; Vitamin A; Xanthophylls; Zeaxanthins | 1999 |
Impaired endothelium-dependent vasodilation in type 2 diabetes. Relation to LDL size, oxidized LDL, and antioxidants.
Topics: Acetylcholine; Antioxidants; Apolipoproteins; beta Carotene; Blood Flow Velocity; Cardiovascular Diseases; Cholesterol; Chromatography, High Pressure Liquid; Diabetes Mellitus, Type 2; Endothelium, Vascular; Humans; Lipoproteins; Lipoproteins, LDL; Male; Middle Aged; Nitroprusside; omega-N-Methylarginine; Reference Values; Risk Factors; Vasodilation; Vitamin A; Vitamin E | 1999 |
The effect of buparvaquone treatment on the levels of some antioxidant vitamins, lipid peroxidation and glutathione peroxidase in cattle with theileriosis.
Topics: Animals; Antiprotozoal Agents; beta Carotene; Cattle; Cattle Diseases; Erythrocytes; Glutathione; Glutathione Peroxidase; Lipid Peroxidation; Naphthoquinones; Reference Values; Theileriasis; Vitamin A; Vitamin E; Vitamins | 1999 |
Elevated plasma levels of F2 alpha isoprostane in cystic fibrosis.
Topics: Adolescent; Adult; Aged; beta Carotene; Case-Control Studies; Child; Cross-Sectional Studies; Cystic Fibrosis; Dinoprost; Erythrocyte Membrane; F2-Isoprostanes; Fatty Acids; Humans; Middle Aged; Vitamin A; Vitamin E | 1999 |
Distribution of antioxidants among blood components and lipoproteins: significance of lipids/CoQ10 ratio as a possible marker of increased risk for atherosclerosis.
Topics: Aged; Antioxidants; Arteriosclerosis; Ascorbic Acid; beta Carotene; Biomarkers; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Coenzymes; Female; Fructosamine; Humans; Lipoproteins; Male; Middle Aged; Reference Values; Risk Factors; Ubiquinone; Vitamin A; Vitamin E | 1999 |
Plasma vitamin A, E, and beta-carotene levels in adult post-partum Algerian women.
Topics: Adolescent; Adult; Algeria; beta Carotene; Blood Proteins; Cholesterol; Female; Humans; Lipids; Postpartum Period; Pregnancy; Serum Albumin; Triglycerides; Vitamin A; Vitamin E; Zinc | 1999 |
The levels of some antioxidant vitamins, glutathione peroxidase and lipoperoxidase during the anaesthesia of dogs.
Topics: Anesthesia; Animals; Antioxidants; beta Carotene; Blood Proteins; Dogs; Glutathione Peroxidase; Male; Serum Globulins; Vitamin A; Vitamin E | 1999 |
Subcellular accumulation of beta-carotene and retinoids in growth-inhibited NCI-H69 small cell lung cancer cells.
Topics: Antioxidants; beta Carotene; Carcinoma, Small Cell; Cell Division; Cells, Cultured; Humans; Lung Neoplasms; Retinaldehyde; Tretinoin; Tumor Cells, Cultured; Vitamin A | 1999 |
Effect of parturition on levels of vitamins A and E and of beta-carotene in plasma and milk of mares.
Topics: Animals; beta Carotene; Cholesterol; Colostrum; Female; Horses; Labor, Obstetric; Male; Milk; Pregnancy; Reference Values; Vitamin A; Vitamin E | 1999 |
Coordinated distribution patterns of three enzyme activities involved in the absorption and metabolism of beta-carotene and vitamin A along the villus-crypt axis of chick duodenum.
Topics: Acyltransferases; Alcohol Oxidoreductases; Animals; Anticarcinogenic Agents; beta Carotene; Chickens; Diterpenes; Duodenum; Retinol O-Fatty-Acyltransferase; Retinyl Esters; Vitamin A | 1999 |
Extraction of beta-carotene from orange peels.
Topics: Animals; beta Carotene; Biological Availability; Citrus; Nutritive Value; Organ Size; Rats; Solvents; Vitamin A; Weight Gain | 1999 |
A prospective study of carotenoid and vitamin A intakes and risk of cataract extraction in US women.
Topics: Adolescent; Age Factors; Aged; Alcohol Drinking; beta Carotene; Carotenoids; Cataract; Cataract Extraction; Cohort Studies; Diabetes Complications; Diet Surveys; Female; Humans; Lutein; Middle Aged; Multivariate Analysis; Prospective Studies; Risk Factors; Smoking; Surveys and Questionnaires; United States; Vitamin A; Xanthophylls; Zeaxanthins | 1999 |
A prospective study of carotenoid intake and risk of cataract extraction in US men.
Topics: Adult; Age Factors; Aged; Alcohol Drinking; beta Carotene; Brassica; Carotenoids; Cataract; Cataract Extraction; Cohort Studies; Diabetes Complications; Diet Surveys; Humans; Lutein; Male; Middle Aged; Multivariate Analysis; Prospective Studies; Risk Factors; Smoking; Spinacia oleracea; Surveys and Questionnaires; United States; Vitamin A; Xanthophylls; Zeaxanthins | 1999 |
Effect of supplementation with vitamin A or beta carotene on mortality related to pregnancy. Pooling of groups may not be appropriate.
Topics: beta Carotene; Dietary Supplements; Female; Humans; Maternal Mortality; Pregnancy; Pregnancy Complications; Vitamin A | 1999 |
Fat-soluble nutrient concentrations in different layers of human cataractous lens.
Topics: Aged; beta Carotene; Carotenoids; Cataract; Chromatography, High Pressure Liquid; Humans; Lens, Crystalline; Lutein; Lycopene; Middle Aged; Solubility; Vitamin A; Vitamin E; Vitamins; Xanthophylls; Zeaxanthins | 1999 |
Dietary vitamin E and beta-carotene sources influence vitamin A and E storage in young rats fed marginal and adequate vitamin E.
Topics: Animals; beta Carotene; Cholesterol; Diet; Eating; Liver; Myocardium; Organ Size; Rats; Rats, Inbred F344; Triglycerides; Vitamin A; Vitamin E | 1999 |
Content of lipid nutrients in the milk of Fulani women.
Topics: Adolescent; Adult; beta Carotene; Breast Feeding; Fatty Acids; Female; Humans; Infant Nutritional Physiological Phenomena; Infant, Newborn; Milk, Human; Niger; Nigeria; Nutritive Value; Transients and Migrants; Vitamin A; Vitamin E | 1999 |
Longitudinal analysis shows serum carotenoid concentrations are low in children with cystic fibrosis.
Topics: beta Carotene; Carotenoids; Child; Chromatography, High Pressure Liquid; Cryptoxanthins; Cystic Fibrosis; Dietary Fats; Exocrine Pancreatic Insufficiency; Female; Humans; Longitudinal Studies; Lutein; Lycopene; Male; Prospective Studies; Vitamin A; Xanthophylls | 1999 |
Effect of supplementation with vitamin A or beta carotene on mortality related to pregnancy. No magic pills exist for reducing mortality related to pregnancy.
Topics: beta Carotene; Dietary Supplements; Female; Humans; Maternal Mortality; Pregnancy; Pregnancy Complications; Vitamin A | 1999 |
Effect of supplementation with vitamin A or beta carotene on mortality related to pregnancy. Slight modifications in definitions could alter interpretation of results.
Topics: beta Carotene; Dietary Supplements; Female; Humans; Male; Maternal Mortality; Pregnancy; Pregnancy Complications; Vitamin A | 1999 |
Quantitative secretion and maximal secretion capacity of retinol, beta-carotene and alpha-tocopherol into cows' milk.
Topics: Animals; beta Carotene; Biological Transport, Active; Cattle; Cell Membrane; Diet; Female; Kinetics; Lactation; Milk; Vitamin A; Vitamin E | 1999 |
Beta-carotene and inhibitors of iron absorption modify iron uptake by Caco-2 cells.
Topics: Absorption; Antioxidants; Ascorbic Acid; Astringents; beta Carotene; Caco-2 Cells; Dose-Response Relationship, Drug; Humans; Hydrolyzable Tannins; Iron; Phytic Acid; Vitamin A | 2000 |
A study on serum carotenoid levels in breast cancer patients of Indian women in Chennai (Madras), India.
Topics: Adult; Aged; Aged, 80 and over; Anticarcinogenic Agents; Antioxidants; beta Carotene; Breast Neoplasms; Carotenoids; Case-Control Studies; Chromatography, High Pressure Liquid; Cryptoxanthins; Estrone; Feeding Behavior; Female; Fruit; Humans; India; Lutein; Lycopene; Menopause; Middle Aged; Vegetables; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 1999 |
The plasma beta-carotene response to a single meal of carrots in Guatemalan schoolchildren.
Topics: beta Carotene; Biological Availability; Child; Daucus carota; Developing Countries; Diet; Female; Guatemala; Humans; Male; Regression Analysis; Time Factors; Urban Population; Vitamin A | 1998 |
Effect of heat treatment on the biological value of beta-carotene added to soybean cooking oil in rats.
Topics: Analysis of Variance; Animals; beta Carotene; Biological Availability; Dietary Fats, Unsaturated; Female; Food, Fortified; Hot Temperature; Liver; Nutritive Value; Rats; Rats, Wistar; Soybean Oil; Vitamin A; Vitamin A Deficiency | 1998 |
Effect of vitamin A status at the end of term pregnancy on the saturation of retinol binding protein with retinol.
Topics: Adult; beta Carotene; Female; Fetal Blood; France; Humans; Infant, Newborn; Labor, Obstetric; Male; Nutritional Status; Prealbumin; Pregnancy; Pregnancy Trimester, Third; Retinol-Binding Proteins; Vitamin A; Vitamin E | 2000 |
Serum alpha- and gamma-tocopherols, retinol, retinyl palmitate, and carotenoid concentrations in captive and free-ranging bottlenose dolphins (Tursiops truncatus).
Topics: Animals; Animals, Wild; Animals, Zoo; beta Carotene; Carotenoids; Diet; Diterpenes; Dolphins; Female; Lutein; Male; Retinyl Esters; Vitamin A; Vitamin E | 1999 |
A multicenter case-control study of diet and lung cancer among non-smokers.
Topics: Adenocarcinoma; Adult; Aged; beta Carotene; Carcinoma, Small Cell; Carcinoma, Squamous Cell; Carotenoids; Case-Control Studies; Diet; Female; Humans; Incidence; Lung Neoplasms; Male; Middle Aged; Public Health; Smoking; Vegetables; Vitamin A | 2000 |
Toenail selenium and breast cancer-a case-control study in Finland.
Topics: Adult; Aged; Aging; Ascorbic Acid; beta Carotene; Breast Neoplasms; Case-Control Studies; Female; Finland; Humans; Middle Aged; Nails; Odds Ratio; Postmenopause; Premenopause; Risk Factors; Selenium; Vitamin A; Vitamin E | 2000 |
Joint effect of diet and environmental tobacco smoke on risk of lung cancer among nonsmokers.
Topics: beta Carotene; Carotenoids; Case-Control Studies; Cheese; Diet; Europe; Fruit; Humans; Lung Neoplasms; Odds Ratio; Risk Factors; Tobacco Smoke Pollution; Vegetables; Vitamin A | 2000 |
Vitamin C prevents the acute atherogenic effects of passive smoking.
Topics: Adult; Arteriosclerosis; Ascorbic Acid; beta Carotene; Female; Free Radicals; Humans; Lipid Peroxidation; Male; Middle Aged; Peroxides; Time Factors; Tobacco Smoke Pollution; Uric Acid; Vitamin A | 2000 |
Nutritional status affects intestinal carotene cleavage activity and carotene conversion to vitamin A in rats.
Topics: Analysis of Variance; Animals; Area Under Curve; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Diet; Intestinal Mucosa; Male; Nutritional Status; Oxygenases; Rats; Vitamin A; Vitamin A Deficiency | 2000 |
An isocratic LC method for the simultaneous determination of vitamins A, C, E and beta-carotene.
Topics: Ascorbic Acid; beta Carotene; Chromatography, High Pressure Liquid; Excipients; Methanol; Regression Analysis; Reproducibility of Results; Time Factors; Vitamin A; Vitamin E | 1999 |
Beta-carotene modulates human prostate cancer cell growth and may undergo intracellular metabolism to retinol.
Topics: Adenocarcinoma; beta Carotene; Cell Division; Cyclin-Dependent Kinase Inhibitor p21; Cyclins; Humans; Intracellular Fluid; Male; Prostatic Neoplasms; Tumor Cells, Cultured; Tumor Suppressor Protein p53; Vitamin A | 2000 |
Distribution of cadmium in selected organs of mice: effects of cadmium on organ contents of retinoids and beta-carotene.
Topics: Animals; Anticarcinogenic Agents; Antioxidants; beta Carotene; Cadmium; Diterpenes; Dose-Response Relationship, Drug; Injections, Intraperitoneal; Mice; Mice, Inbred ICR; Retinoids; Retinyl Esters; Tissue Distribution; Vitamin A | 1999 |
Filling the gap in vitamin A research. Molecular identification of an enzyme cleaving beta-carotene to retinal.
Topics: Amino Acid Sequence; Animals; Base Sequence; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Catalysis; Chromatography, High Pressure Liquid; Dioxygenases; Drosophila melanogaster; Drosophila Proteins; Escherichia coli; Models, Chemical; Molecular Sequence Data; Oxygenases; Plant Proteins; Retinaldehyde; Spectrophotometry, Atomic; Vitamin A | 2000 |
Diminished blood levels of reduced glutathione and alpha-tocopherol in two triosephosphate isomerase-deficient brothers.
Topics: Adult; Anemia, Hemolytic, Congenital; Antioxidants; beta Carotene; Bilirubin; Carboxyhemoglobin; Carotenoids; Erythrocytes; Glutathione; Glutathione Reductase; Glutathione Transferase; Hemoglobins; Heterozygote; Humans; Lactic Acid; Lactoylglutathione Lyase; Lipid Peroxides; Lycopene; Male; NADP; Nuclear Family; Thiolester Hydrolases; Triose-Phosphate Isomerase; Vitamin A; Vitamin E | 2000 |
Serum levels of alpha-carotene, beta-carotene, and retinol in patients with multiple sclerosis.
Topics: Adult; beta Carotene; Carotenoids; Female; Humans; Male; Multiple Sclerosis; Vitamin A | 2000 |
Relationships between vitamin A, iron status and helminthiasis in Bangladeshi school children.
Topics: Anemia, Iron-Deficiency; Animals; Ascariasis; Ascaris lumbricoides; Bangladesh; beta Carotene; Body Height; Body Weight; Child; Child Nutritional Physiological Phenomena; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Diet; Enzyme-Linked Immunosorbent Assay; Feces; Female; Ferritins; Hemoglobins; Hookworm Infections; Humans; Male; Surveys and Questionnaires; Vitamin A; Vitamin A Deficiency | 2000 |
Prospective study of diet, lifestyle, and intermittent claudication in male smokers.
Topics: Administration, Oral; Age Distribution; Aged; Ascorbic Acid; beta Carotene; Blood Pressure; Cholesterol; Cholesterol, HDL; Cohort Studies; Comorbidity; Diabetes Mellitus; Dietary Supplements; Energy Metabolism; Finland; Humans; Incidence; Intermittent Claudication; Life Style; Male; Middle Aged; Multivariate Analysis; Prospective Studies; Risk Assessment; Risk Factors; Smoking; Smoking Cessation; Vitamin A; Vitamin E | 2000 |
Retinol equivalence of carotenoids can be evaluated by hepatic vitamin A content.
Topics: Animals; beta Carotene; Biological Availability; Carotenoids; Diterpenes; Liver; Male; Palm Oil; Plant Oils; Rats; Rats, Wistar; Retinyl Esters; Therapeutic Equivalency; Vitamin A; Weight Gain | 2000 |
Changes in thiamin, riboflavin, niacin, beta-carotene, vitamins, C, A, D and E status of French Elderly Subjects during the first year of institutionalization.
Topics: Aged; Aged, 80 and over; Aging; Alcohol Drinking; Ascorbic Acid; beta Carotene; Chronic Disease; France; Humans; Institutionalization; Niacin; Nutrition Policy; Nutritional Status; Riboflavin; Smoking; Thiamine; Vitamin A; Vitamin D; Vitamin E; Vitamins | 2000 |
Elevation of the provitamin A content of transgenic tomato plants.
Topics: beta Carotene; Blotting, Northern; Blotting, Western; Cell Division; Electrophoresis, Polyacrylamide Gel; Gene Silencing; Oxidoreductases; Phenotype; Plant Leaves; Plants, Genetically Modified; Solanum lycopersicum; Tissue Distribution; Up-Regulation; Vitamin A | 2000 |
Variability of the conversion of beta-carotene to vitamin A in women measured by using a double-tracer study design.
Topics: Absorption; Adult; beta Carotene; Biological Availability; Deuterium; Diterpenes; Female; Humans; Kinetics; Retinyl Esters; Vitamin A | 2000 |
Chemoprevention of lung cancer is proving difficult and frustrating, requiring new approaches.
Topics: Acetylcysteine; Anticarcinogenic Agents; beta Carotene; Carcinogens; Diterpenes; Glucuronides; Glutathione; Humans; Lung Neoplasms; Randomized Controlled Trials as Topic; Retinyl Esters; Vitamin A | 2000 |
Blood levels of natural antioxidants in gastric and colorectal precancerous lesions and cancers in Slovakia.
Topics: Adult; Aged; Aged, 80 and over; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Colorectal Neoplasms; Copper; Diet; Female; Humans; Male; Middle Aged; Precancerous Conditions; Selenium; Slovakia; Stomach Neoplasms; Vitamin A; Vitamin E; Zinc | 2000 |
Oxidative stress after moderate to extensive burning in humans.
Topics: Adolescent; Adult; Aged; Alanine Transaminase; Aspartate Aminotransferases; beta Carotene; Burns; Child; Cholesterol; Erythrocyte Count; Erythrocytes; Humans; Lipid Peroxidation; Lipid Peroxides; Liver; Malondialdehyde; Middle Aged; Oxidative Stress; Time Factors; Vitamin A; Vitamin E | 2000 |
Serum concentration of retinol, beta-carotene, cholesterol, and triglycerides in Saudi school children.
Topics: Adolescent; Age Factors; beta Carotene; Child; Cholesterol; Female; Humans; Male; Saudi Arabia; Triglycerides; Vitamin A | 2000 |
Vitamin A equivalence of beta-carotene in a woman as determined by a stable isotope reference method.
Topics: Adult; beta Carotene; Chromatography, High Pressure Liquid; Deuterium; Dose-Response Relationship, Drug; Female; Gas Chromatography-Mass Spectrometry; Humans; Longitudinal Studies; Vitamin A | 2000 |
Plasma and tissue concentrations of beta-carotene and vitamin A in rats fed beta-carotene in various fats of plant and animal origin.
Topics: Animals; beta Carotene; Dietary Fats; Dietary Supplements; Female; Liver; Lung; Plant Oils; Rats; Rats, Wistar; Tissue Distribution; Vitamin A | 2000 |
[Effects of biologically active food additives with different contents of vitamins on the vitamin status in humans].
Topics: Adenine; Adult; Ascorbic Acid; Ascorbic Acid Deficiency; Avitaminosis; beta Carotene; Beverages; Female; Food, Fortified; Humans; Male; Middle Aged; Riboflavin; Time Factors; Vitamin A; Vitamin A Deficiency; Vitamin B Deficiency; Vitamins | 2000 |
Effects of dietary antioxidant supplementation on oxidative damage and resistance to oxidative damage during prolonged exercise in sled dogs.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Animals; Antioxidants; beta Carotene; Deoxyguanosine; Dietary Supplements; Dogs; Enzyme-Linked Immunosorbent Assay; Female; Linear Models; Lipid Peroxides; Lipoproteins, LDL; Lipoproteins, VLDL; Lutein; Male; Oxidative Stress; Physical Conditioning, Animal; Regression Analysis; Vitamin A; Vitamin E | 2000 |
Immune response to influenza vaccine in healthy elderly: lack of association with plasma beta-carotene, retinol, alpha-tocopherol, or zinc.
Topics: Adult; Aged; Aged, 80 and over; Aging; Antibodies, Viral; beta Carotene; Cell Division; Female; Health Status; Humans; Influenza A virus; Influenza B virus; Influenza Vaccines; Influenza, Human; Leukocytes, Mononuclear; Male; Vitamin A; Vitamin E; Zinc | 2000 |
The effects of iron and copper status and of dietary carbohydrates on the activity of rat intestinal beta-carotene 15,15'-dioxygenase.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Copper; Intestinal Absorption; Iron Deficiencies; Nutritional Status; Oxygenases; Rats; Vitamin A | 2000 |
Serum antioxidant micronutrients and the risk of oral leukoplakia among Japanese.
Topics: Adult; Analysis of Variance; Antioxidants; beta Carotene; Case-Control Studies; Female; Humans; Japan; Leukoplakia, Oral; Logistic Models; Male; Mouth Neoplasms; Smoking; Vitamin A; Vitamin E | 2000 |
Bioavailability of carotenoids.
Topics: Absorption; Animals; beta Carotene; Biological Availability; Carotenoids; Diet; Humans; Vitamin A | 1999 |
Enrichment of the diet with synthetic and natural sources of provitamin A.
Topics: Animals; beta Carotene; Biological Availability; Carotenoids; Eating; Female; Food, Formulated; Fruit; Hot Temperature; Humans; Male; Micronutrients; Plant Oils; Rats; Soybean Oil; Vegetables; Vitamin A; Vitamin A Deficiency | 1999 |
Changes in carotenoids during processing and storage of foods.
Topics: beta Carotene; Carotenoids; Food Handling; Freezing; Fruit; Isomerism; Vegetables; Vitamin A | 1999 |
[LATINFOODS and its role in the generation and compilation of data for Latin America].
Topics: beta Carotene; Databases, Factual; Food Analysis; Humans; Latin America; Research Design; Vitamin A; Vitamin A Deficiency | 1999 |
[Investigation needs on carotenoids in the republic of Argentina].
Topics: Antioxidants; Argentina; beta Carotene; Carotenoids; Female; Humans; Male; Vitamin A | 1999 |
Vitamin A and causes of maternal mortality: association and biological plausibility.
Topics: Anemia; beta Carotene; Cause of Death; Dietary Supplements; Dystocia; Female; Hemorrhage; Humans; Hypertension; Maternal Mortality; Pregnancy; Pregnancy Complications; Pregnancy Complications, Infectious; Vitamin A; Vitamin A Deficiency | 2000 |
Liquid chromatographic analysis of all-trans-retinyl palmitate, beta-carotene, and vitamin E in fortified foods and the extraction of encapsulated and nonencapsulated retinyl palmitate.
Topics: beta Carotene; Chromatography, Liquid; Diterpenes; Food, Fortified; Retinyl Esters; Vitamin A; Vitamin E | 2000 |
Effect of five dietary antimutagens on the genotoxicity of six mutagens in the microscreen prophage-induction assay.
Topics: Antimutagenic Agents; Ascorbic Acid; Bacteriophage lambda; beta Carotene; Diet; Humans; Mutagenicity Tests; Mutagens; Virus Activation; Vitamin A; Vitamin E | 2000 |
Amount of dietary fat and type of soluble fiber independently modulate postabsorptive conversion of beta-carotene to vitamin A in mongolian gerbils.
Topics: Analysis of Variance; Animals; beta Carotene; Chromatography, High Pressure Liquid; Diet; Dietary Fats; Dietary Fiber; Gerbillinae; Liver; Male; Solubility; Vitamin A; Weight Gain | 2000 |
A liquid chromatography-mass spectrometry method for the quantification of bioavailability and bioconversion of beta-carotene to retinol in humans.
Topics: beta Carotene; Biological Availability; Child; Chromatography, High Pressure Liquid; Humans; Mass Spectrometry; Vitamin A | 2000 |
Long-term kinetic study of beta-carotene, using accelerator mass spectrometry in an adult volunteer.
Topics: Adult; beta Carotene; Biological Availability; Carbon Dioxide; Carbon Radioisotopes; Feces; Humans; Isotope Labeling; Kinetics; Male; Photosynthesis; Spinacia oleracea; Tretinoin; Vitamin A | 2000 |
Dietary carotenoids and risk of gastric cancer: a case-control study in Uruguay.
Topics: Adult; Aged; Aged, 80 and over; Anticarcinogenic Agents; beta Carotene; Carotenoids; Case-Control Studies; Diet; Female; Humans; Lycopene; Male; Middle Aged; Residence Characteristics; Risk Factors; Stomach Neoplasms; Uruguay; Vitamin A | 2000 |
Relationship between levels of beta-carotene, vitamin A and vitamin E in the seminal plasma, spermatozoa, blood serum and liver of rainbow trout.
Topics: Animals; beta Carotene; Fish Diseases; Infertility, Male; Liver; Male; Oncorhynchus mykiss; Semen; Spermatozoa; Vitamin A; Vitamin E | 2000 |
Effects of physiological versus pharmacological beta-carotene supplementation on cell proliferation and histopathological changes in the lungs of cigarette smoke-exposed ferrets.
Topics: Animals; beta Carotene; Cell Division; Cyclin D1; Dietary Supplements; Diterpenes; Dose-Response Relationship, Drug; Ferrets; Humans; Lung; Male; Proliferating Cell Nuclear Antigen; Proto-Oncogene Proteins c-fos; Proto-Oncogene Proteins c-jun; Retinyl Esters; Tobacco Smoke Pollution; Tretinoin; Vitamin A | 2000 |
Pulse radiolytic oxidation of beta-carotene with halogenated alkylperoxyl radicals in a quaternary microemulsion: formation of retinol.
Topics: Animals; beta Carotene; Chromatography, High Pressure Liquid; Emulsions; Halogens; Humans; Oxidation-Reduction; Pulse Radiolysis; Reactive Oxygen Species; Vitamin A | 2000 |
Association of dietary antioxidants and waist circumference with pulmonary function and airway obstruction.
Topics: Adult; Airway Obstruction; Anthropometry; Antioxidants; Ascorbic Acid; beta Carotene; Body Constitution; Case-Control Studies; Cross-Sectional Studies; Diet; Female; Forced Expiratory Volume; Humans; Linear Models; Male; Middle Aged; Obesity; Scotland; Vital Capacity; Vitamin A; Vitamin E | 2001 |
Bioavailability trials of beta-carotene from fresh and dehydrated drumstick leaves (Moringa oleifera) in a rat model.
Topics: Animals; beta Carotene; Biological Availability; Body Weight; Eating; Food Handling; Liver; Male; Models, Animal; Phytotherapy; Plant Leaves; Rats; Time Factors; Vitamin A; Vitamin A Deficiency | 2001 |
Beta-carotene, retinol and alpha-tocopherol status in calves fed the first colostrum at 0-2, 6-7, 12-13 or 24-25 hours after birth.
Topics: Animals; Animals, Newborn; beta Carotene; Cattle; Colostrum; Female; Lactation; Male; Milk; Time Factors; Vitamin A; Vitamin E | 2000 |
A population-based case-control study of carotenoid and vitamin A intake and ovarian cancer (United States).
Topics: Adult; Aged; beta Carotene; Carotenoids; Case-Control Studies; Diet; Diet Surveys; Female; Humans; Lutein; Massachusetts; Menopause; Middle Aged; Ovarian Neoplasms; Population Surveillance; Registries; Risk Factors; Surveys and Questionnaires; Vitamin A; Wisconsin; Xanthophylls; Zeaxanthins | 2001 |
Beta-carotene 15,15'-dioxygenase activity in streptozotocin-induced diabetic rats.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Diabetes Mellitus, Experimental; Liver; Male; Oxygenases; Rats; Rats, Wistar; Streptozocin; Vitamin A | 2000 |
Acute effect of dietary stanyl ester dose on post-absorptive alpha-tocopherol, beta-carotene, retinol and retinyl palmitate concentrations.
Topics: Analysis of Variance; Area Under Curve; beta Carotene; Cholesterol; Chylomicrons; Dose-Response Relationship, Drug; Esters; Humans; Intestinal Absorption; Male; Middle Aged; Palmitates; Phytosterols; Postprandial Period; Sitosterols; Squalene; Statistics, Nonparametric; Triglycerides; Vitamin A; Vitamin E | 2001 |
Effects of beta-carotene, selenium and vitamin A on in vitro polymorphonuclear leukocytic activity in peripartal buffalo (Bubalus bubalus).
Topics: Animals; Antioxidants; beta Carotene; Blood Bactericidal Activity; Buffaloes; Female; In Vitro Techniques; Labor, Obstetric; Neutrophils; Phagocytosis; Pregnancy; Selenium; Vitamin A | 2001 |
Dietary antioxidant vitamins, retinol, and breast cancer incidence in a cohort of Swedish women.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Body Weight; Breast Neoplasms; Cell Differentiation; Cohort Studies; Diet; DNA Damage; Female; Follow-Up Studies; Humans; Linoleic Acid; Mammography; Middle Aged; Oxygen; Proportional Hazards Models; Surveys and Questionnaires; Sweden; Vitamin A; Vitamin E | 2001 |
Concurrent micronutrient deficiencies in lactating mothers and their infants in Indonesia.
Topics: Adolescent; Adult; Anemia, Iron-Deficiency; Anthropometry; beta Carotene; Cross-Sectional Studies; Female; Humans; Indonesia; Infant; Insulin-Like Growth Factor I; Iron; Iron Deficiencies; Lactation; Male; Micronutrients; Milk, Human; Odds Ratio; Prevalence; Vitamin A; Vitamin A Deficiency; Zinc | 2001 |
Identification and characterization of a mammalian enzyme catalyzing the asymmetric oxidative cleavage of provitamin A.
Topics: Amino Acid Sequence; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Catalysis; Chromatography, High Pressure Liquid; Cloning, Molecular; DNA, Complementary; Drosophila; Drosophila Proteins; Expressed Sequence Tags; Female; Gene Library; Humans; Lycopene; Male; Mass Spectrometry; Mice; Mice, Inbred BALB C; Models, Chemical; Molecular Sequence Data; Norisoprenoids; Oxygen; Oxygenases; Phenotype; Phylogeny; Retinaldehyde; RNA; Sequence Homology, Amino Acid; Terpenes; Time Factors; Tissue Distribution; Vitamin A; Zebrafish | 2001 |
The relation of serum levels of antioxidant vitamins C and E, retinol and carotenoids with pulmonary function in the general population.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Cross-Sectional Studies; Cryptoxanthins; Female; Forced Expiratory Volume; Humans; Linear Models; Male; Middle Aged; Multivariate Analysis; Respiratory Mechanics; Vital Capacity; Vitamin A; Vitamin E; Xanthophylls | 2001 |
Low carotenoid concentration and the risk of HIV seroconversion in Pune, India.
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Case-Control Studies; Disease Susceptibility; Education; Female; Follow-Up Studies; HIV Seropositivity; Humans; Income; India; Male; Marital Status; Middle Aged; Odds Ratio; Religion; Risk Factors; Vitamin A; Vitamin A Deficiency | 2001 |
"Appropriate technology" for vitamin A field research.
Topics: beta Carotene; Capsules; Carbon Isotopes; Child; Developing Countries; Humans; Indonesia; Nutritional Requirements; Research; Socioeconomic Factors; United Nations; Vitamin A | 2001 |
Impact of beta-carotene supplementation through red palm.
Topics: Antioxidants; beta Carotene; Case-Control Studies; Child, Preschool; Dietary Supplements; Female; Humans; India; Male; Nutritional Status; Palm Oil; Plant Oils; Vitamin A; Xerophthalmia | 2001 |
Maternal night blindness increases risk of mortality in the first 6 months of life among infants in Nepal.
Topics: beta Carotene; Female; Humans; Infant; Infant Mortality; Infant, Newborn; Nepal; Night Blindness; Pregnancy; Pregnancy Complications; Probability; Randomized Controlled Trials as Topic; Risk Factors; Rural Population; Survival Analysis; Vitamin A | 2001 |
New property of vitamin A and beta-carotene on human iron absorption: effect on phytate and polyphenols as inhibitors of iron absorption.
Topics: Antioxidants; beta Carotene; Bread; Female; Humans; Intestinal Absorption; Iron, Dietary; Male; Phytic Acid; Polymers; Vitamin A | 2000 |
The effect of vitamin A on the course of renal ablation nephropathy.
Topics: Animals; beta Carotene; Creatinine; Female; Kidney; Kidney Diseases; Nephrectomy; Rats; Rats, Wistar; Sclerosis; Vitamin A | 2001 |
Prediagnostic levels of serum beta-cryptoxanthin and retinol predict smoking-related lung cancer risk in Shanghai, China.
Topics: Aged; beta Carotene; Carotenoids; Case-Control Studies; China; Cryptoxanthins; Humans; Lung Neoplasms; Male; Middle Aged; Predictive Value of Tests; Risk Factors; Smoking; Vitamin A; Xanthophylls | 2001 |
Total carotenoid and beta-carotene contents of forest green leafy vegetables consumed by tribals of south India.
Topics: beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Ethnicity; Food Analysis; Humans; India; Vegetables; Vitamin A | 2001 |
Rapid high-performance liquid chromatographic method for the simultaneous determination of retinol, alpha-tocopherol and beta-carotene in human plasma and low-density lipoproteins.
Topics: Adult; Aged; alpha-Tocopherol; beta Carotene; Chromatography, High Pressure Liquid; Humans; Lipoproteins, LDL; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Vitamin A | 2001 |
Antioxidant status and acute malaria in children in Kampala, Uganda.
Topics: Acute Disease; Animals; Antioxidants; beta Carotene; Carotenoids; Child; Child, Preschool; Female; Humans; Infant; Lutein; Lycopene; Malaria, Falciparum; Male; Parasitemia; Plasmodium falciparum; Uganda; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2001 |
Commentary: does use of food supplements influence the twin rate? New evidence from a randomized controlled trial.
Topics: beta Carotene; Dietary Supplements; Female; Fetal Death; Humans; Hungary; Infant Mortality; Infant, Newborn; Maternal Mortality; Nepal; Neural Tube Defects; Pregnancy; Pregnancy Outcome; Pregnancy, Multiple; Randomized Controlled Trials as Topic; Twins; Vitamin A | 2001 |
A novel extrinsic reference method for assessing the vitamin A value of plant foods.
Topics: Adult; Antioxidants; Area Under Curve; beta Carotene; Biological Availability; Chromatography, High Pressure Liquid; Daucus carota; Diterpenes; Female; Gas Chromatography-Mass Spectrometry; Humans; Intestinal Absorption; Isotope Labeling; Male; Nutritive Value; Plants, Edible; Reference Standards; Retinyl Esters; Spinacia oleracea; Triglycerides; Vitamin A | 2001 |
Antioxidant vitamins prevent cardiomyocyte apoptosis produced by norepinephrine infusion in ferrets.
Topics: Animals; Antioxidants; Apoptosis; Ascorbic Acid; bcl-2-Associated X Protein; beta Carotene; Cell Size; Drug Implants; Ferrets; In Situ Nick-End Labeling; Models, Animal; Myocardium; Norepinephrine; Oxidative Stress; Proto-Oncogene Proteins; Proto-Oncogene Proteins c-bcl-2; Statistics, Nonparametric; Vasoconstrictor Agents; Vitamin A; Vitamin E; Vitamins | 2001 |
Free radical lipid peroxidation inhibits enzymatic conversion of beta-carotene into vitamin A.
Topics: Animals; Arachidonic Acid; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Dose-Response Relationship, Drug; Free Radicals; Glycine max; Intestinal Mucosa; Lipid Peroxidation; Lipoxygenase; Oxidative Stress; Oxygenases; Rabbits; Retinaldehyde; Vitamin A | 2001 |
[Level of retinol and beta-carotene in plasma of smoking and non-smoking women].
Topics: Adult; beta Carotene; Cotinine; Female; Humans; Pregnancy; Smoking; Vitamin A | 2001 |
Regarding the conversion of beta-carotene to vitamin A.
Topics: Animals; beta Carotene; Humans; Vitamin A | 2001 |
Antioxidant status and hepatic lipid peroxidation in chloramphenicol-treated rats.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Catalase; Chloramphenicol; Glutathione; Glutathione Peroxidase; Glutathione Transferase; Lipid Peroxidation; Lipid Peroxides; Liver; Male; Malondialdehyde; Protein Synthesis Inhibitors; Rats; Rats, Wistar; Superoxide Dismutase; Vitamin A | 2001 |
Plasma transport and tissue distribution of beta-carotene, vitamin A and retinol-binding protein in domestic cats.
Topics: Animals; beta Carotene; Biological Transport; Cats; Electrophoresis, Polyacrylamide Gel; Female; Hepatocytes; Immunoglobulin G; Immunohistochemistry; Kidney; Kidney Medulla; Liver; Male; Oleic Acid; Palmitates; Plasma; Retinol-Binding Proteins; Retinol-Binding Proteins, Plasma; Stearates; Tissue Distribution; Vitamin A | 2001 |
Effect of supplementation on haemoglobin and serum retinol levels and nutritional status of school children of northern India.
Topics: Anemia; Antioxidants; beta Carotene; Brassica; Child; Dietary Supplements; Hemoglobins; Humans; India; Iron; Nutritional Status; Vitamin A; Vitamin A Deficiency | 2001 |
Simultaneous determination of retinol, beta-carotene and alpha-tocopherol in adipose tissue by high-performance liquid chromatography.
Topics: Adipose Tissue; alpha-Tocopherol; beta Carotene; Chromatography, High Pressure Liquid; Diet; Humans; Myocardial Infarction; Portugal; Reproducibility of Results; Risk Factors; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Surveys and Questionnaires; Vitamin A | 2001 |
Antioxidant vitamins and the risk of carotid atherosclerosis. The Perth Carotid Ultrasound Disease Assessment study (CUDAS).
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Carotid Artery Diseases; Health Surveys; Humans; Lycopene; Nutritional Requirements; Risk; Ultrasonography; Vitamin A; Vitamin E; Vitamins; Western Australia | 2001 |
Vitamin A intake and hip fractures among postmenopausal women.
Topics: Adult; Aged; beta Carotene; Dietary Supplements; Female; Hip Fractures; Humans; Middle Aged; Nutrition Assessment; Osteoporosis; Postmenopause; Proportional Hazards Models; Prospective Studies; Risk Factors; Vitamin A | 2002 |
Beta-carotene uptake and bioconversion to retinol differ between human melanocytes and keratinocytes.
Topics: beta Carotene; Carbon Radioisotopes; Cells, Cultured; Culture Media; Humans; Keratinocytes; Kinetics; Melanocytes; Vitamin A | 2001 |
Quantitative determination of 13C-labeled and endogenous beta-carotene, lutein, and vitamin A in human plasma.
Topics: beta Carotene; Brassica; Carbon Isotopes; Chromatography, Liquid; Gas Chromatography-Mass Spectrometry; Humans; Isomerism; Lutein; Male; Vitamin A | 2001 |
Plasma lipophilic antioxidants and malondialdehyde in congestive heart failure patients: relationship to disease severity.
Topics: Aged; Aged, 80 and over; beta Carotene; Carotenoids; Echocardiography; Female; Heart Failure; Humans; Lipid Peroxidation; Lutein; Male; Malondialdehyde; Middle Aged; Severity of Illness Index; Stroke Volume; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2002 |
Effect of the mycotoxin aurofusarin on the antioxidant composition and fatty acid profile of quail eggs.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Coturnix; Egg Yolk; Eggs; Fatty Acids; Female; Lutein; Male; Mycotoxins; Naphthoquinones; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2001 |
Postnatal changes in maternal and neonatal plasma antioxidant vitamins and the influence of smoking.
Topics: Adolescent; Adult; Antioxidants; beta Carotene; Diet; Female; Humans; Infant, Newborn; Male; Malondialdehyde; Maternal-Fetal Exchange; Postpartum Period; Pregnancy; Prospective Studies; Smoking; Vitamin A; Vitamin E; Vitamins | 2002 |
Beta-carotene inhibits growth of human colon carcinoma cells in vitro by induction of apoptosis.
Topics: Apoptosis; beta Carotene; Cell Division; Colonic Neoplasms; Flow Cytometry; Formazans; Growth Inhibitors; HT29 Cells; Humans; Mitogen-Activated Protein Kinases; Phosphorylation; Tetrazolium Salts; Vitamin A | 2001 |
Streamlining IRB review in multisite trials through single-study IRB Cooperative Agreements: experience of the Beta-Carotene and Retinol Efficacy Trial (CARET).
Topics: beta Carotene; Clinical Trials as Topic; Cooperative Behavior; Ethics Committees, Research; Humans; Multicenter Studies as Topic; Vitamin A | 2002 |
Relationship of serum antioxidant vitamins to serum creatinine in the US population.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Creatinine; Cross-Sectional Studies; Ethnicity; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Odds Ratio; Population Surveillance; Regression Analysis; Risk Factors; United States; Vitamin A; Vitamin E; Vitamins | 2002 |
[Distribution of the serum concentration of beta-carotene, retinol and alpha-tocopherol in a representative sample of the adult population of Catalonia (Spain)].
Topics: Adult; Age Distribution; Aged; alpha-Tocopherol; Analysis of Variance; beta Carotene; Carotenoids; Female; Humans; Male; Middle Aged; Reference Values; Sex Distribution; Spain; Vitamin A | 2002 |
Serum concentrations of micronutrient antioxidants in an adult Arab population.
Topics: Adolescent; Adult; Age Factors; alpha-Tocopherol; Antioxidants; Arabs; beta Carotene; Carotenoids; Cholesterol; Chromatography, Liquid; Female; Humans; Lycopene; Male; Micronutrients; Middle Aged; Reference Values; Vitamin A | 2002 |
Nutrition. Are you getting too much vitamin A?
Topics: beta Carotene; Carotenoids; Diet; Female; Hip Fractures; Humans; Nutrition Policy; Osteoporosis; Vitamin A | 2002 |
High intake of selenium, beta-carotene, and vitamins A, C, and E reduces growth of Helicobacter pylori in the guinea pig.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Diet; Gastritis; Guinea Pigs; Helicobacter Infections; Helicobacter pylori; Humans; Male; Selenium; Vitamin A; Vitamin E; Vitamins | 2001 |
Vitamin A-related compounds, all-trans retinal and retinoic acids, selectively inhibit activities of mammalian replicative DNA polymerases.
Topics: Antineoplastic Agents; beta Carotene; Cell Division; DNA Polymerase beta; DNA Polymerase I; DNA-Directed DNA Polymerase; Dose-Response Relationship, Drug; Enzyme Inhibitors; Flow Cytometry; Humans; Kinetics; Nucleic Acid Synthesis Inhibitors; Octoxynol; Polyethylene Glycols; Retinaldehyde; Serum Albumin, Bovine; Thymine Nucleotides; Tretinoin; Tumor Cells, Cultured; Vitamin A; Xanthophylls | 2002 |
Method for the simultaneous determination of retinol and beta-carotene concentrations in human tissues and plasma.
Topics: Adult; Aged; beta Carotene; Blood Chemical Analysis; Breast Neoplasms; Chromatography, High Pressure Liquid; Colonic Neoplasms; Female; Humans; Male; Middle Aged; Reference Standards; Spectrophotometry; Tissue Distribution; Vitamin A | 2002 |
Vitamin A and beta-carotene levels in plasma, corpus luteum and follicular fluid of cyclic and pregnant cattle.
Topics: Animals; beta Carotene; Cattle; Corpus Luteum; Estrus; Female; Follicular Fluid; Ovarian Follicle; Pregnancy; Proestrus; Progesterone; Vitamin A | 2002 |
Variability in conversion of beta-carotene to vitamin A in men as measured by using a double-tracer study design.
Topics: Absorption; Adult; beta Carotene; Humans; Male; Osmolar Concentration; Reference Values; Vitamin A | 2002 |
Increased vitamin A intake in children aged 2-5 years through targeted home-gardens in a rural South African community.
Topics: Agriculture; beta Carotene; Child Nutrition Disorders; Child Nutrition Sciences; Child, Preschool; Cross-Sectional Studies; Female; Fruit; Humans; Male; Poverty; Rural Health; Rural Population; South Africa; Vegetables; Vitamin A | 2002 |
Serum levels of antioxidant vitamins and lipid peroxidation in multiple sclerosis.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Female; Humans; Lipid Peroxidation; Male; Multiple Sclerosis; Thiobarbituric Acid Reactive Substances; Vitamin A; Vitamins | 2002 |
Cats absorb beta-carotene, but it is not converted to vitamin A.
Topics: Absorption; Animals; beta Carotene; Biological Availability; Cats; Chylomicrons; Diterpenes; Female; Male; Osmolar Concentration; Retinyl Esters; Time Factors; Vitamin A | 2002 |
Vitamin A and vitamin A palmitate stability over time and under UVA and UVB radiation.
Topics: beta Carotene; Butylated Hydroxytoluene; Diterpenes; Drug Stability; Emulsions; Retinyl Esters; Solubility; Spectrophotometry; Sunscreening Agents; Time Factors; Ultraviolet Rays; Vitamin A | 2002 |
Plasma carotenoid and malondialdehyde levels in ischemic stroke patients: relationship to early outcome.
Topics: Aged; Ascorbic Acid; beta Carotene; Brain Ischemia; Carotenoids; Chromatography, High Pressure Liquid; Disease Progression; Female; Humans; Lipid Peroxidation; Lutein; Lycopene; Male; Malondialdehyde; Oxidative Stress; Stroke; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2002 |
Simultaneous analysis of retinol, beta-carotene and tocopherol levels in serum of Vietnamese populations with different incomes.
Topics: Adult; Antioxidants; beta Carotene; Body Mass Index; Cardiovascular Diseases; Chromatography, High Pressure Liquid; Female; Humans; Male; Middle Aged; Reference Values; Social Class; Tocopherols; Vietnam; Vitamin A | 2002 |
Feeding of red palm oil-supplemented diets to rats may impact positively on vitamin A status.
Topics: Animals; beta Carotene; Diet; Dietary Fats, Unsaturated; Eating; Energy Intake; Nutrition Assessment; Palm Oil; Plant Oils; Rats; Rats, Wistar; Vitamin A; Weight Gain | 2002 |
Nutritional status of beta-carotene, alpha-tocopherol and retinol in obese children.
Topics: Adolescent; alpha-Tocopherol; beta Carotene; Body Weight; Child; Diet, Reducing; Exercise; Female; Humans; Hyperlipidemias; Lipids; Male; Nutritional Status; Obesity; Vitamin A; Weight Loss | 2002 |
Development of methods for the determination of vitamins A, E and beta-carotene in processed foods based on supercritical fluid extraction: a collaborative study.
Topics: beta Carotene; Chromatography, Supercritical Fluid; Drug Stability; Food Analysis; Food Handling; Humans; Reproducibility of Results; Vitamin A; Vitamin E; Vitamins | 2002 |
Effect of mastectomy on milk fever, energy, and vitamins A, E, and beta-carotene status at parturition.
Topics: Animals; Antioxidants; beta Carotene; Calcium; Cattle; Cattle Diseases; Energy Metabolism; Estradiol; Estrone; Fatty Acids, Nonesterified; Female; Hydrocortisone; Lactation; Magnesium; Mammary Glands, Animal; Mastectomy; Parturient Paresis; Parturition; Phosphorus; Postpartum Period; Pregnancy; Progesterone; Vitamin A; Vitamin D; Vitamin E | 2002 |
Essential fatty acid deficiency and nutritional supplementation in cystic fibrosis.
Topics: beta Carotene; Cystic Fibrosis; Dietary Fats; Dietary Supplements; Diterpenes; Eicosanoids; Energy Intake; Fatty Acids, Essential; Forced Expiratory Volume; Humans; Intestinal Absorption; Malondialdehyde; Retinol-Binding Proteins; Retinyl Esters; Triglycerides; Vitamin A; Vitamins | 2002 |
A prospective cohort study on intake of retinol, vitamins C and E, and carotenoids and prostate cancer risk (Netherlands).
Topics: Aged; Alcohol Drinking; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Cohort Studies; Confidence Intervals; Cryptoxanthins; Feeding Behavior; Humans; Male; Middle Aged; Multivariate Analysis; Netherlands; Prospective Studies; Prostatic Neoplasms; Risk Factors; Surveys and Questionnaires; Vitamin A; Vitamin E; Xanthophylls | 2002 |
Effect of citric pectin on beta-carotene bioavailability in rats.
Topics: Animals; Antioxidants; beta Carotene; Biological Availability; Chromatography, High Pressure Liquid; Diterpenes; Liver; Male; Pectins; Rats; Rats, Wistar; Retinyl Esters; Vitamin A | 2002 |
Serum retinol of Chadian nomadic pastoralist women in relation to their livestocks' milk retinol and beta-carotene content.
Topics: Animals; beta Carotene; Camelus; Cattle; Chad; Chromatography, High Pressure Liquid; Diet; Female; Fruit; Goats; Health Status; Humans; Milk; Seasons; Sheep; Vegetables; Vitamin A; Vitamin A Deficiency | 2002 |
All-trans beta-carotene appears to be more bioavailable than 9-cis or 13-cis beta-carotene in gerbils given single oral doses of each isomer.
Topics: Administration, Oral; Adrenal Glands; Animals; beta Carotene; Biological Availability; Gastrointestinal Contents; Gerbillinae; Intestinal Mucosa; Intestine, Small; Isomerism; Kidney; Liver; Lung; Male; Spleen; Vitamin A | 2002 |
The relative vitamin A value of 9-cis beta-carotene is less and that of 13-cis beta-carotene may be greater than the accepted 50% that of all-trans beta-carotene in gerbils.
Topics: Administration, Oral; Adrenal Glands; Animals; beta Carotene; Dose-Response Relationship, Drug; Gerbillinae; Kidney; Linear Models; Liver; Male; Spleen; Vitamin A | 2002 |
Estimating the potential for vitamin A toxicity in women and young children.
Topics: Adult; beta Carotene; Child, Preschool; Dietary Supplements; Female; Food Analysis; Food, Fortified; Humans; Infant; Liver; Vitamin A | 2002 |
Dietary carotenoids, serum beta-carotene, and retinol and risk of lung cancer in the alpha-tocopherol, beta-carotene cohort study.
Topics: Aged; alpha-Tocopherol; Antioxidants; beta Carotene; Carotenoids; Cohort Studies; Diet; Fruit; Humans; Lung Neoplasms; Male; Middle Aged; Risk Factors; Smoking; Vegetables; Vitamin A | 2002 |
Dual isotope test for assessing beta-carotene cleavage to vitamin A in humans.
Topics: Adult; beta Carotene; Biological Availability; Carbon Radioisotopes; Deuterium; Diterpenes; Feces; Humans; Kinetics; Male; Retinyl Esters; Vitamin A | 2002 |
Modulation of absorption of beta-carotene and tissue accumulation of beta-carotene and vitamin A by different surfactants in rats.
Topics: Absorption; Analysis of Variance; Animals; beta Carotene; Cholesterol; Duodenum; Kidney; Liver; Male; Phospholipids; Poloxamer; Rats; Rats, Wistar; Surface-Active Agents; Taurocholic Acid; Triglycerides; Vitamin A | 2002 |
Serum and liver micronutrient antioxidants and serum oxidative stress in patients with chronic hepatitis C.
Topics: Adult; Antioxidants; beta Carotene; Carotenoids; Cryptoxanthins; Female; Fibrosis; Hepatitis C, Chronic; Humans; Inflammation; Liver; Lutein; Lycopene; Male; Malondialdehyde; Micronutrients; Middle Aged; Oxidative Stress; Tocopherols; Vitamin A; Xanthophylls | 2002 |
Fatty acid composition and antioxidant levels in muscle tissue of different Mediterranean marine species of fish and shellfish.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Catalase; Docosahexaenoic Acids; Eicosapentaenoic Acid; Fatty Acids; Fatty Acids, Omega-3; Fatty Acids, Omega-6; Fatty Acids, Unsaturated; Fishes; Glutathione; Glutathione Peroxidase; Mediterranean Sea; Muscle, Skeletal; Oleic Acid; Palmitic Acid; Phospholipids; Shellfish; Superoxide Dismutase; Triglycerides; Vitamin A; Vitamin E | 2002 |
Dose-responsive alteration in hepatic lipid peroxidation and retinol metabolism with increasing dietary beta-carotene in iron deficient rats.
Topics: Anemia, Iron-Deficiency; Animals; Antioxidants; beta Carotene; Diet; Dose-Response Relationship, Drug; Hemoglobins; Intestinal Mucosa; Iron; Lipid Peroxidation; Liver; Male; Phosphatidylcholines; Rats; Rats, Wistar; Vitamin A; Weight Gain | 2002 |
Serum antioxidant vitamins and blood pressure in the United States population.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Blood Pressure; Carotenoids; Diastole; Female; Humans; Hypertension; Linear Models; Logistic Models; Male; Middle Aged; Multivariate Analysis; Nutrition Surveys; Odds Ratio; Racial Groups; Systole; United States; Vitamin A; Vitamin E; Vitamins | 2002 |
Feedback regulation of beta,beta-carotene 15,15'-monooxygenase by retinoic acid in rats and chickens.
Topics: Animals; Base Sequence; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Chickens; Cytochrome P-450 Enzyme System; DNA Primers; Enzyme Induction; Feedback; Female; Kinetics; Oxygenases; Rats; Tretinoin; Vitamin A | 2002 |
Bioavailability and vitamin A value of carotenes from red palm oil assessed by an extrinsic isotope reference method.
Topics: Antioxidants; beta Carotene; Biological Availability; Carotenoids; Chromatography, High Pressure Liquid; Female; Gas Chromatography-Mass Spectrometry; Humans; Intestinal Absorption; Isotope Labeling; Male; Palm Oil; Plant Oils; Vitamin A | 2002 |
Oxidative remodeling of chromoplast carotenoids: identification of the carotenoid dioxygenase CsCCD and CsZCD genes involved in Crocus secondary metabolite biogenesis.
Topics: Amino Acid Sequence; beta Carotene; Carotenoids; Cloning, Molecular; Crocus; Cyclohexenes; Flowers; Gene Expression Regulation, Developmental; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Glucosides; Microscopy, Electron; Molecular Sequence Data; Oxidation-Reduction; Oxygenases; Plant Proteins; Plastids; Sequence Homology, Amino Acid; Terpenes; Vitamin A; Water; Xanthophylls; Zeaxanthins | 2003 |
Absorption and conversion of 11,12-(3)H-beta-carotene to vitamin A in Sprague-Dawley rats of different vitamin A status.
Topics: Administration, Oral; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Biological Availability; Intestinal Absorption; Male; Rats; Rats, Sprague-Dawley; Tissue Distribution; Vitamin A; Vitamin A Deficiency | 2003 |
Serum retinol levels and the risk of fracture.
Topics: beta Carotene; Body Mass Index; Dose-Response Relationship, Drug; Fractures, Bone; Hip Fractures; Humans; Longitudinal Studies; Male; Middle Aged; Multivariate Analysis; Osteoporosis; Proportional Hazards Models; Risk Factors; Vitamin A | 2003 |
Stopping the active intervention: CARET.
Topics: Asbestos; beta Carotene; Chemoprevention; Clinical Trials Data Monitoring Committees; Data Interpretation, Statistical; Drug Evaluation; Ethics, Medical; Humans; Lung Neoplasms; Occupational Exposure; Randomized Controlled Trials as Topic; Smoking; Therapeutic Human Experimentation; United States; Vitamin A | 2003 |
In vitro accessibility of carotenes from green leafy vegetables cooked with sunflower oil or red palm oil.
Topics: Absorption; beta Carotene; Biological Availability; Carotenoids; Chromatography, High Pressure Liquid; Diet; Food Handling; Hot Temperature; Humans; Plant Leaves; Plant Oils; Sunflower Oil; Tanzania; Vegetables; Vitamin A | 2002 |
Antioxidants and oxidative stress in BAL fluid of atopic asthmatic children.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; Asthma; beta Carotene; Bronchoalveolar Lavage Fluid; Carotenoids; Child; Child, Preschool; Female; Humans; Lipid Peroxidation; Lycopene; Male; Malondialdehyde; Oxidative Stress; Uric Acid; Vitamin A | 2003 |
Seasonal variation of food consumption and selected nutrient intake in Linxian, a high risk area for esophageal cancer in China.
Topics: Adolescent; Adult; Aged; alpha-Tocopherol; Ascorbic Acid; beta Carotene; Calcium, Dietary; Child; China; Diet; Diet Surveys; Dietary Supplements; Edible Grain; Eggs; Esophageal Neoplasms; Female; Food; Humans; Male; Middle Aged; Nutrition Policy; Nutritional Physiological Phenomena; Riboflavin; Seasons; Selenium; Vegetables; Vitamin A; Zinc | 2002 |
Reference values and predictors of white blood cell subset counts: a cross-sectional study among HIV seronegative pregnant women in Zimbabwe.
Topics: Adolescent; Adult; Aging; alpha 1-Antichymotrypsin; beta Carotene; Cross-Sectional Studies; Eosinophils; Female; Ferritins; Folic Acid; Gestational Age; HIV Seronegativity; Humans; Leukocyte Count; Linear Models; Lymphocyte Count; Middle Aged; Monocytes; Neutrophils; Parity; Pregnancy; Reference Values; Seasons; Vitamin A; Zimbabwe | 2003 |
Inhibitory effects of beta-carotene and vitamin a during the progression phase of hepatocarcinogenesis involve inhibition of cell proliferation but not alterations in DNA methylation.
Topics: Animals; Antioxidants; beta Carotene; Cell Division; DNA Methylation; Liver; Liver Neoplasms, Experimental; Male; Random Allocation; Rats; Rats, Wistar; Vitamin A | 2002 |
Serum carotenoids and mortality from lung cancer: a case-control study nested in the Japan Collaborative Cohort (JACC) study.
Topics: Adult; Aged; Alcohol Drinking; Anticarcinogenic Agents; Antioxidants; beta Carotene; Body Mass Index; Canthaxanthin; Carotenoids; Case-Control Studies; Cholesterol; Cohort Studies; Cryptoxanthins; Feeding Behavior; Female; Folic Acid; Follow-Up Studies; Humans; Japan; Life Style; Lung Neoplasms; Lutein; Lycopene; Male; Middle Aged; Odds Ratio; Smoking; Tocopherols; Vitamin A; Xanthophylls | 2003 |
Pacific pandanus fruit: an ethnographic approach to understanding an overlooked source of provitamin A carotenoids.
Topics: Antioxidants; beta Carotene; Biological Availability; Carotenoids; Color; Diet; Feeding Behavior; Food, Organic; Health Promotion; Humans; Micronesia; Nutritive Value; Pandanaceae; Vitamin A; Vitamin A Deficiency | 2003 |
Low zinc intake decreases the lymphatic output of retinol in rats infused intraduodenally with beta-carotene.
Topics: Absorption; Animals; beta Carotene; Carbon Radioisotopes; Diet; Duodenum; Intestinal Absorption; Intestinal Mucosa; Kinetics; Lymph; Lymphatic System; Male; Mesentery; Phospholipids; Rats; Rats, Sprague-Dawley; Triolein; Vitamin A; Zinc | 2003 |
Nutrition and respiratory health in adults: findings from the health survey for Scotland.
Topics: Adolescent; Adult; Animals; Ascorbic Acid; beta Carotene; Cross-Sectional Studies; Diet; Female; Fishes; Fruit; Health Surveys; Humans; Logistic Models; Lung; Male; Middle Aged; Respiratory Function Tests; Respiratory Sounds; Scotland; Vegetables; Vitamin A; Vitamin E | 2003 |
Absorption and retinol equivalence of beta-carotene in humans is influenced by dietary vitamin A intake.
Topics: Absorption; Adult; beta Carotene; Dietary Supplements; Dose-Response Relationship, Drug; Feces; Female; Half-Life; Humans; Molecular Structure; Musa; Olive Oil; Plant Oils; Vitamin A | 2003 |
Iron, haptoglobin phenotype, and HIV-1 viral load: a cross-sectional study among pregnant Zimbabwean women.
Topics: alpha 1-Antichymotrypsin; beta Carotene; Female; Ferritins; Folic Acid; Haptoglobins; HIV Infections; HIV-1; Humans; Iron; Micronutrients; Phenotype; Pregnancy; Viral Load; Vitamin A; Zimbabwe | 2003 |
Improved simultaneous determination method of beta-carotene and retinol with saponification in human serum and rat liver.
Topics: Animals; beta Carotene; Chromatography, High Pressure Liquid; Humans; Liver; Rats; Reference Standards; Reproducibility of Results; Vitamin A | 2003 |
Micronutrient status of primary school girls in rural and urban areas of South Vietnam.
Topics: Anemia, Iron-Deficiency; beta Carotene; Child; Child Nutrition Disorders; Cross-Sectional Studies; Diet Surveys; Feeding Behavior; Female; Humans; Mental Recall; Micronutrients; Minerals; Nutritional Sciences; Nutritional Status; Prevalence; Rural Population; Schools; Tocopherols; Urban Population; Vietnam; Vitamin A; Vitamin E Deficiency | 2003 |
[Comparative study of the biological utilization of beta-carotene from synthetic and natural sources in rats].
Topics: Animals; Antioxidants; beta Carotene; Biological Availability; Daucus carota; Dietary Supplements; Liver; Male; Rats; Rats, Wistar; Spinacia oleracea; Vitamin A | 2002 |
Effect of exercise intensity and training on antioxidants and cholesterol profile in cyclists.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Bicycling; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Cholesterol, VLDL; Diet; Erythrocyte Count; Exercise; Hematocrit; Hemoglobins; Humans; Male; Oxygen Consumption; Physical Endurance; Triglycerides; Vitamin A | 2003 |
Inadequate antioxidant nutrient intake and altered plasma antioxidant status of rheumatoid arthritis patients.
Topics: alpha-Tocopherol; Antioxidants; Arthritis, Rheumatoid; beta Carotene; Case-Control Studies; Cross-Sectional Studies; Energy Intake; Female; Glutathione Peroxidase; Humans; Male; Malondialdehyde; Middle Aged; Oxidants; Superoxide Dismutase; Surveys and Questionnaires; Vitamin A | 2003 |
Plasma carotenoids and tocopherols and risk of myocardial infarction in a low-risk population of US male physicians.
Topics: Adult; Aged; Aged, 80 and over; alpha-Tocopherol; beta Carotene; Carotenoids; Case-Control Studies; Comorbidity; Cryptoxanthins; Follow-Up Studies; gamma-Tocopherol; Humans; Lutein; Lycopene; Male; Middle Aged; Myocardial Infarction; Physicians; Prospective Studies; Risk; Risk Assessment; Smoking; Tocopherols; United States; Vitamin A; Xanthophylls | 2003 |
Lipid peroxidation and antioxidants in plasma and red blood cells from patients with pemphigus vulgaris.
Topics: Adolescent; Adult; Antioxidants; beta Carotene; Case-Control Studies; Catalase; Erythrocytes; Female; Glutathione; Humans; Male; Malondialdehyde; Middle Aged; Pemphigus; Peroxides; Vitamin A; Vitamin E | 2003 |
Isotopic labeling and LC-APCI-MS quantification for investigating absorption of carotenoids and phylloquinone from kale (Brassica oleracea).
Topics: Adult; beta Carotene; Biological Availability; Brassica; Carbon Isotopes; Carotenoids; Chromatography, Liquid; Humans; Isotope Labeling; Kinetics; Lutein; Male; Mass Spectrometry; Vitamin A; Vitamin K 1 | 2003 |
Extraction of carotenoids from feces, enabling the bioavailability of beta-carotene to be studied in Indonesian children.
Topics: beta Carotene; Biological Availability; Carbon Isotopes; Carotenoids; Child; Feces; Female; Humans; Indonesia; Male; Vitamin A | 2003 |
[Evaluation on intestinal and whole-body conversion of beta-carotene to vitamin A in Chinese adults using a stable isotope reference method].
Topics: Area Under Curve; beta Carotene; China; Evaluation Studies as Topic; Female; Humans; Intestinal Absorption; Intestinal Mucosa; Isotope Labeling; Male; Middle Aged; Vitamin A | 2003 |
Antioxidant intake and primary open-angle glaucoma: a prospective study.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Cryptoxanthins; Diet; Dietary Supplements; Female; Glaucoma, Open-Angle; Humans; Lutein; Lycopene; Male; Middle Aged; Multivariate Analysis; Proportional Hazards Models; Prospective Studies; Surveys and Questionnaires; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2003 |
The metabolic syndrome and antioxidant concentrations: findings from the Third National Health and Nutrition Examination Survey.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Esters; Female; Fruit; Humans; Male; Metabolic Syndrome; Middle Aged; Nutrition Assessment; Prevalence; Vegetables; Vitamin A; Vitamin E | 2003 |
Retinol equivalency ratio of beta-carotene.
Topics: beta Carotene; Humans; Therapeutic Equivalency; Vitamin A; Vitamin A Deficiency | 2003 |
Absorption and conversion of a single oral dose of beta-carotene in corn oil to vitamin A in Sprague-Dawley rats with low reserve of vitamin A.
Topics: Administration, Oral; Animals; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Corn Oil; Gastrointestinal Tract; Intestinal Absorption; Liver; Male; Rats; Rats, Sprague-Dawley; Retinoids; Vitamin A; Vitamin A Deficiency | 2003 |
[Vitamin A and beta carotene in human milk in certain experimental conditions].
Topics: beta Carotene; Carotenoids; Female; Humans; Lipid Metabolism; Milk, Human; Vitamin A | 1953 |
The mechanism of the transformation of beta-carotene into vitamin A in vivo.
Topics: beta Carotene; Carotenoids; Humans; Lipid Metabolism; Vitamin A | 1954 |
[Vitamin A and follicle hormone; the behaviour of vitamin A and beta-carotene level in blood during the menstrual cycle in women and the problem of the dependence of serum vitamin A level on follicle hormone concentration in blood].
Topics: beta Carotene; Carotenoids; Female; Humans; Menstrual Cycle; Menstruation; Ovarian Follicle; Vitamin A | 1956 |
The identification and determination of vitamin A and beta-carotene in an animal-fat mixture.
Topics: beta Carotene; Carotenoids; Fats; Humans; Lipid Metabolism; Vitamin A | 1956 |
[Variations of hepatic, cardiac, renal and adrenal content of beta-carotene, vitamin A and ascorbic acid in animal and man in relation to age].
Topics: Aging; Animals; Ascorbic Acid; beta Carotene; Humans; Kidney; Lipid Metabolism; Liver; Male; Vitamin A | 1956 |
[Metabolism of vitamin PP and the beta-carotene and vitamin A level during antibiotic therapy].
Topics: Anti-Bacterial Agents; Antibiotics, Antitubercular; beta Carotene; Body Fluids; Carotenoids; Dermatologic Agents; Humans; Niacin; Niacinamide; Nicotinic Acids; Vitamin A | 1957 |
[Research on plasma levels of vitamins A and C and of beta-carotene in tuberculotics during chemobiotic therapy].
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Humans; Plasma; Research; Tuberculosis; Tuberculosis, Pulmonary; Vitamin A; Vitamin K; Vitamins | 1958 |
[Contribution to the behavior of vitamin A & beta-carotene levels in pregnancy during labor & in puerperium].
Topics: beta Carotene; Carotenoids; Female; Humans; Labor, Obstetric; Lipid Metabolism; Postpartum Period; Pregnancy; Vitamin A | 1958 |
[Vitamin A & beta-carotene blood level determinations in children].
Topics: beta Carotene; Carotenoids; Child; Humans; Infant; Infections; Vitamin A | 1959 |
The conversion of beta-carotene into vitamin A.
Topics: beta Carotene; Carotenoids; Humans; Lipid Metabolism; Vitamin A | 1960 |
The conversion of radioactive beta-carotene into vitamin A by the rat intestine in vivo.
Topics: Animals; beta Carotene; Carotenoids; Intestine, Small; Intestines; Lipid Metabolism; Rats; Vitamin A | 1961 |
Metabolic pathway of carotene to vitamin A in animals. II. Metabolic change of beta-carotene to vitamin A in vitamin B1-deficient rats.
Topics: Animals; beta Carotene; Biochemical Phenomena; Carotenoids; Lipid Metabolism; Metabolic Networks and Pathways; Rats; Thiamine; Thiamine Deficiency; Vitamin A; Vitamin B Deficiency | 1960 |
[Aspects of vitamin metabolism in pregnancy: vitamin A and beta-carotene].
Topics: beta Carotene; Female; Humans; Lipid Metabolism; Pregnancy; Vitamin A; Vitamins | 1959 |
An improved micromethod for fractional determination of vitamin A alcohol and ester and the changes in both types of vitamin A in blood plasma, milk and liver after loading with both types of the vitamin and beta-carotene.
Topics: Alcohols; Animals; beta Carotene; Carotenoids; Dairy Products; Humans; Liver; Milk; Plasma; Vitamin A; Vitamins | 1960 |
On metabolic pathways of carotenes to vitamin A in animals. I. Possible intermediates in the metabolic conversion of beta-carotene to vitamin A.
Topics: Animals; beta Carotene; Biochemical Phenomena; Carotenoids; Lipid Metabolism; Metabolic Networks and Pathways; Vitamin A | 1959 |
Studies on the in vitro conversion of beta-carotene into vitamin A in tissues from the rat, guinea-pig and sheep.
Topics: Animals; beta Carotene; Carotenoids; Guinea Pigs; In Vitro Techniques; Lipid Metabolism; Rats; Sheep; Sheep, Domestic; Vitamin A | 1959 |
[On the problem of the importance of the thyroid gland for assimilation of beta-carotene into vitamin A in the white rat].
Topics: Animals; beta Carotene; Carotenoids; Lipid Metabolism; Rats; Thyroid Function Tests; Thyroid Gland; Viscera; Vitamin A | 1962 |
[Conversion in vitro of astaxanthin to vitamin A by the intestine of Gambusia holbrooki Grd.:demonstration of the transiently formed beta-carotene].
Topics: beta Carotene; Carotenoids; Cyprinodontiformes; Humans; In Vitro Techniques; Intestine, Small; Intestines; Vitamin A; Xanthophylls | 1962 |
Efficiency of antibiotics in supplementing the growth effect of beta carotene in vitamin A-depleted rats.
Topics: Animals; Anti-Bacterial Agents; Bacitracin; beta Carotene; Carotenoids; Chloramphenicol; Chlortetracycline; Oxytetracycline; Penicillin G; Penicillin G Procaine; Procaine; Rats; Streptomycin; Tetracycline; Vitamin A | 1962 |
[The influence of the menstrual cycle on the blood level values of beta-carotene, vitamin A and Vitamin E in females].
Topics: beta Carotene; Carotenoids; Female; Humans; Menstrual Cycle; Menstruation; Vitamin A; Vitamin E | 1963 |
Oxidation of beta-carotene: formation of vitamin A acid.
Topics: beta Carotene; Carotenoids; Oxidation-Reduction; Tretinoin; Vitamin A | 1963 |
The uptake of C14-beta-carotene and its conversion to retinol ester (vitamin A ester) by the isolated perfused rat liver.
Topics: Animals; beta Carotene; Carotenoids; Esters; Liver; Rats; Vitamin A | 1963 |
THE EFFECT OF FLUORESCENT LIGHT ON THE VITAMIN A AND BETA-CAROTENE CONTENT OF MILK.
Topics: Ascorbic Acid; beta Carotene; Carotenoids; Fluorescence; Light; Milk; Vitamin A | 1963 |
THE CONVERSION OF BETA-CAROTENE TO VITAMIN A ESTER BY RAT LIVER.
Topics: beta Carotene; Humans; Liver; Vitamin A | 1963 |
METABOLIC PATHWAYS OF CAROTENE TO VITAMIN A IN ANIMALS. III. DEGRADATION OF BETA-CAROTENE AND VITAMIN A IN RAT INTESTINE.
Topics: Aldehydes; Animals; beta Carotene; Carotenoids; Chromatography; Intestine, Small; Intestines; Metabolic Networks and Pathways; Metabolism; Rats; Research; Spectrophotometry; Vitamin A | 1963 |
[ON THE BEHAVIOR OF THE VITAMIN E, VITAMIN A AND BETA-CAROTENE BLOOD LEVELS IN PREGNANCY, LABOR AND PUERPERIUM].
Topics: beta Carotene; Blood Chemical Analysis; Carotenoids; Female; Humans; Labor, Obstetric; Postpartum Period; Pregnancy; Vitamin A; Vitamin E; Work | 1963 |
POLAROGRAPHIC INVESTIGATION OF CONJUGATED FAT-SOLUBLE VITAMINS.
Topics: beta Carotene; Carotenoids; Cholecalciferol; Diterpenes; Polarography; Retinyl Esters; Vitamin A; Vitamin D; Vitamins | 1964 |
SENSITIVITY OF VISUAL RECEPTORS OF CAROTENOID-DEPLETED FLIES: A VITAMIN A DEFICIENCY IN AN INVERTEBRATE.
Topics: Animals; beta Carotene; Carotenoids; Diet; Diptera; Electroretinography; Photoreceptor Cells; Physiology; Research; Retina; Visual Perception; Vitamin A; Vitamin A Deficiency | 1964 |
CONVERSION OF BETA-CAROTENE TO VITAMIN A BY RAT INTESTINAL SECTIONS.
Topics: beta Carotene; Carotenoids; Intestines; Metabolism; Oxygen; Pharmacology; Rats; Research; Vitamin A | 1964 |
[CONVERSION OF BETA-CAROTENE TO VITAMIN A BY RAT INTESTINAL SECTIONS].
Topics: beta Carotene; Carotenoids; Intestines; Metabolism; Rats; Research; Vitamin A | 1964 |
EFFECT OF DIETARY PROTEIN CONTENTS ON THE INTESTINAL CONVERSION OF BETA-CAROTENE TO VITAMIN A IN RATS.
Topics: beta Carotene; Carotenoids; Chromatography; Dietary Proteins; Intestinal Absorption; Intestines; Metabolism; Rats; Research; Spectrophotometry; Vitamin A | 1964 |
VITAMIN A ACTIVITY OF FERMENTATION BETA-CAROTENE FOR SWINE.
Topics: Animals; beta Carotene; Carotenoids; Fermentation; Fungi; Liver; Palmitic Acid; Research; Spectrophotometry; Swine; Vitamin A | 1965 |
METABOLISM OF BETA-CAROTENE.
Topics: Absorption; beta Carotene; Carbon Isotopes; Carotenoids; Fungi; Intestines; Liver; Metabolism; Research; Tritium; Vitamin A | 1965 |
BIOSYNTHESIS OF VITAMIN A WITH RAT INTESTINAL ENZYMES.
Topics: Ascorbic Acid; beta Carotene; Bile Acids and Salts; Carbon Isotopes; Carotenoids; Chromatography; Edetic Acid; Fungi; Glutathione; Intestinal Mucosa; Intestine, Small; Intestines; Metabolism; Mucous Membrane; Niacinamide; Oxygen; Pharmacology; Radiometry; Rats; Research; Retinaldehyde; Salts; Vitamin A | 1965 |
VITAMIN A AND CAROTENOIDS. I. INTESTINAL ABSORPTION AND METABOLISM OF 14C-LABELLED VITAMIN A ALCOHOL AND BETA-CAROTENE IN THE RAT.
Topics: Alcohols; beta Carotene; Carbon Isotopes; Carotenoids; Chromatography; Fatty Acids; Fungi; Intestinal Absorption; Lipids; Metabolism; Rats; Research; Vitamin A | 1965 |
Colorimetric estimation of vitamin A and beta-carotene with antimony pentachloride.
Topics: Antimony; beta Carotene; Carotenoids; Chlorides; Colorimetry; Vitamin A | 1960 |
A requirement for sodium glycocholate in the intestinal conversion of beta-carotene to vitamin A in vivo and in vitro.
Topics: beta Carotene; Carotenoids; Glycocholic Acid; Humans; In Vitro Techniques; Intestinal Mucosa; Lipid Metabolism; Sodium; Vitamin A | 1960 |
Effects of butyl-4-hydroxy-3,5-diiodobenzoate on the conversion of beta-carotene to vitamin A in the rat.
Topics: Animals; Antithyroid Agents; beta Carotene; Carotenoids; Lipid Metabolism; Rats; Vitamin A | 1960 |
Retinoid- and carotenoid-enriched diets influence the ontogenesis of the immune system in mice.
Topics: Animals; B-Lymphocyte Subsets; beta Carotene; Carotenoids; Diet; Immune System; Immunoglobulin G; Immunophenotyping; Leukocyte Count; Lycopene; Mice; Mice, Inbred Strains; Spleen; T-Lymphocyte Subsets; Vitamin A | 2003 |
Seasonal changes in serum vitamin A, vitamin E and beta-carotene concentrations in Japanese Black breeding cattle in Hyogo prefecture.
Topics: Animals; beta Carotene; Cattle; Cholesterol; Female; Japan; Seasons; Vitamin A; Vitamin E | 2003 |
Research note: changes in the concentration of beta-carotene, alpha-tocopherol and retinol in the bovine corpus luteum during the ovarian cycle.
Topics: alpha-Tocopherol; Animals; beta Carotene; Cattle; Corpus Luteum; Estrous Cycle; Female; Fertility; Ovarian Follicle; Vitamin A | 2003 |
Prospective study of serum retinol, beta-carotene, beta-cryptoxanthin, and lutein/zeaxanthin and esophageal and gastric cancers in China.
Topics: Adenocarcinoma; Adult; Aged; beta Carotene; Carcinoma, Squamous Cell; China; Cryptoxanthins; Esophageal Neoplasms; Female; Humans; Lutein; Male; Middle Aged; Proportional Hazards Models; Prospective Studies; Regression Analysis; Risk Factors; Stomach Neoplasms; Vitamin A; Xanthophylls; Zeaxanthins | 2003 |
Development of a simplified method for the simultaneous determination of retinol, alpha-tocopherol, and beta-carotene in serum by liquid chromatography-tandem mass spectrometry with atmospheric pressure chemical ionization.
Topics: Adult; alpha-Tocopherol; Atmospheric Pressure; beta Carotene; Chromatography, High Pressure Liquid; Female; Humans; Male; Molecular Structure; Reproducibility of Results; Spectrometry, Mass, Electrospray Ionization; Vitamin A; Vitamins | 2004 |
Progression of carotid intima-media thickness and plasma antioxidants: the Los Angeles Atherosclerosis Study.
Topics: Adult; Age Factors; Antioxidants; Arteriosclerosis; beta Carotene; Carotenoids; Carotid Artery, Common; Fasting; Female; Follow-Up Studies; Humans; Lipoproteins; Los Angeles; Lycopene; Male; Middle Aged; Predictive Value of Tests; Prospective Studies; Regression Analysis; Sex Factors; Smoking; Surveys and Questionnaires; Tunica Intima; Tunica Media; Vitamin A; Xanthophylls; Zeaxanthins | 2004 |
Brief clinical study: Lipid peroxidation and antioxidant status in children with acute purulent meningitis and encephalitis.
Topics: Analysis of Variance; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Chi-Square Distribution; Child; Child, Preschool; Encephalitis; Female; Glutathione; Humans; Lipid Peroxidation; Male; Malondialdehyde; Meningitis, Bacterial; Spectrophotometry; Vitamin A | 2004 |
Dietary Dunaliella bardawil, a beta-carotene-rich alga, protects against acetic acid-induced small bowel inflammation in rats.
Topics: Acetic Acid; Animals; Antioxidants; beta Carotene; Chlorophyta; Dietary Supplements; Duodenum; Enteritis; Female; Intestinal Mucosa; Liver; Rats; Rats, Sprague-Dawley; Vitamin A | 2003 |
Dietary carotenoid intake as a predictor of bone mineral density.
Topics: Absorptiometry, Photon; Adult; Aged; Aged, 80 and over; Antioxidants; Australia; beta Carotene; Bone Density; Carotenoids; Female; Humans; Lumbar Vertebrae; Lutein; Lycopene; Male; Menopause; Middle Aged; Nutrition Assessment; Nutritional Status; Predictive Value of Tests; Reference Values; Vitamin A; Xanthophylls; Zeaxanthins | 2003 |
Vitamin A: overlapping delivery pathways to tissues from the circulation.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Biological Transport; Diet; Glutathione Transferase; Isoenzymes; L-Lactate Dehydrogenase; Liver; Male; Oxygenases; Recombinant Fusion Proteins; Retinol-Binding Proteins; Testis; Vitamin A | 2004 |
Quantitative determination of beta-carotene stereoisomers in fresh, dried, and solar-dried mangoes (Mangifera indica L.).
Topics: beta Carotene; Chromatography, High Pressure Liquid; Food Handling; Food Preservation; Mangifera; Stereoisomerism; Sunlight; Vitamin A | 2003 |
beta-Carotene-vitamin A equivalence in Chinese adults assessed by an isotope dilution technique.
Topics: Absorption; Antioxidants; Area Under Curve; beta Carotene; Chromatography, High Pressure Liquid; Deuterium; Female; Humans; Indicator Dilution Techniques; Liver; Male; Mass Spectrometry; Middle Aged; Vitamin A | 2004 |
Oxidative stress in abetalipoproteinemia patients receiving long-term vitamin E and vitamin A supplementation.
Topics: Abetalipoproteinemia; Adolescent; Adult; beta Carotene; Case-Control Studies; Child; Child, Preschool; Humans; Oxidative Stress; Reference Values; Vitamin A; Vitamin E | 2004 |
Further studies of the conversion of beta-carotene to vitamin A in the intestine.
Topics: beta Carotene; Carotenoids; Humans; Intestines; Vitamin A | 1950 |
Studies in vitamin A. 15. The variations in the serum beta-carotene and vitamin A levels of cows near parturition.
Topics: Animals; beta Carotene; Cattle; Female; Vitamin A | 1951 |
Effect of certain tocopherols and other antioxidants on the utilization of beta-carotene for vitamin A storage.
Topics: Antioxidants; beta Carotene; Carotenoids; Humans; Lipid Metabolism; Tocopherols; Vitamin A; Vitamin E | 1952 |
[Chemical research on the retinene series; obtaining the epoxide of retinene1 by the action of manganese dioxide on vitamin A and on beta-carotene (splitting by oxidation)].
Topics: beta Carotene; Carotenoids; Epoxy Compounds; Humans; Manganese Compounds; Oxidation-Reduction; Oxides; Retinaldehyde; Vitamin A | 1951 |
Drosophila ninaB and ninaD act outside of retina to produce rhodopsin chromophore.
Topics: Animals; Animals, Genetically Modified; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Drosophila; Drosophila Proteins; Membrane Proteins; Molecular Chaperones; Neurons; Oxygenases; Retina; Retinaldehyde; Rhodopsin; Vitamin A | 2004 |
[Protective effect of natural dietary antioxidants on space radiation-induced damages].
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Cosmic Radiation; Cyanobacteria; DNA Damage; Flavonoids; Food, Formulated; Humans; Polysaccharides; Radiation Injuries; Radiation-Protective Agents; Space Flight; Spirulina; Tea; Vitamin A; Vitamin E | 2003 |
The case (continued) against vitamin supplements.
Topics: beta Carotene; Dietary Supplements; Humans; Vitamin A | 2003 |
Oxidative stress and non-enzymatic antioxidative status in dogs with visceral Leishmaniasis.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Ceruloplasmin; Dog Diseases; Dogs; Female; Fluorescent Antibody Technique, Direct; Glutathione; Leishmaniasis, Visceral; Lipid Peroxidation; Male; Malondialdehyde; Microscopy; Oxidative Stress; Vitamin A | 2004 |
Serum carotenoid and retinol levels during childhood infections.
Topics: Adolescent; Antioxidants; beta Carotene; C-Reactive Protein; Carotenoids; Case-Control Studies; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cryptoxanthins; Female; Humans; Infections; Lutein; Lycopene; Male; Vitamin A; Xanthophylls; Zeaxanthins | 2004 |
beta-carotene and oxidative desaturation of fatty acids: a plausible explanation of the conflicting responses of coronary heart disease to beta-carotene?
Topics: Adipose Tissue; Animal Feed; Animals; Antioxidants; beta Carotene; Cattle; Coronary Disease; Fatty Acids; Humans; Lipoproteins; Models, Biological; Models, Theoretical; Oxygen; Vitamin A | 2004 |
Classic dengue fever affects levels of circulating antioxidants.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Biomarkers; Case-Control Studies; Dengue; Female; Glutathione; Guatemala; Humans; Male; Taurine; Thiobarbituric Acid Reactive Substances; Vitamin A | 2004 |
Peripartum serum vitamin E, retinol, and beta-carotene in dairy cattle and their associations with disease.
Topics: alpha-Tocopherol; Animals; beta Carotene; Cattle; Cattle Diseases; Fatty Acids, Nonesterified; Female; Logistic Models; Mastitis, Bovine; Parturition; Placenta, Retained; Pregnancy; Risk Factors; Vitamin A; Vitamin E | 2004 |
Moderate exercise with a dietary vitamin C and E combination protects against streptozotocin-induced oxidative damage to the blood and improves fetal outcomes in pregnant rats.
Topics: Animals; Ascorbic Acid; beta Carotene; Blood; Blood Cell Count; Blood Glucose; Body Weight; Catalase; Diabetes Mellitus, Experimental; Dietary Supplements; Erythrocytes; Female; Glutathione; Glutathione Peroxidase; Lipid Peroxidation; Litter Size; Malondialdehyde; Oxidative Stress; Physical Conditioning, Animal; Pregnancy; Rats; Rats, Wistar; Vitamin A; Vitamin E | 2004 |
A potential role for beta-carotene in avian embryonic development.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Chick Embryo; Egg Yolk; Gene Expression; In Situ Hybridization; Oxygenases; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Vitamin A | 2004 |
Beta-carotene is accumulated, metabolized, and possibly converted to retinol in human breast carcinoma cells (MCF-7).
Topics: beta Carotene; Breast; Breast Neoplasms; Chromatography, High Pressure Liquid; Culture Media; Epithelial Cells; Humans; Tumor Cells, Cultured; Vitamin A | 2004 |
Effects of beta-carotene on cell viability and antioxidant status of hepatocytes from chronically ethanol-fed rats.
Topics: Animals; Antioxidants; beta Carotene; Catalase; Cell Survival; Cells, Cultured; Diet; Ethanol; Glutathione; Glutathione Peroxidase; Glutathione Reductase; Hepatocytes; L-Lactate Dehydrogenase; Lipid Peroxides; Male; Rats; Rats, Sprague-Dawley; Superoxide Dismutase; Vitamin A | 2004 |
Studies on the bioavailability of the provitamin A carotenoid, beta-carotene, using human exfoliated colonic epithelial cells.
Topics: Adult; Antioxidants; Appetite Depressants; Bacterial Proteins; beta Carotene; Biological Availability; Cells, Cultured; Colon; Diet; Dietary Supplements; Epithelial Cells; Feces; Humans; Lutein; Phosphorus; Spirulina; Vitamin A | 2004 |
Topical beta-carotene is converted to retinyl esters in human skin ex vivo and mouse skin in vivo.
Topics: Administration, Topical; Animals; beta Carotene; Diffusion Chambers, Culture; Epidermis; Esters; Female; Humans; In Vitro Techniques; Mice; Mice, Hairless; Vitamin A | 2004 |
Association between serum concentrations of micronutrients and lower urinary tract symptoms in older men in the Third National Health and Nutrition Examination Survey.
Topics: Aged; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Cross-Sectional Studies; Cryptoxanthins; Humans; Lutein; Lycopene; Male; Micronutrients; Middle Aged; Selenium; Smoking; Surveys and Questionnaires; Urination Disorders; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2004 |
Effect of dietary beta-carotene on the early embryonic development and uterine fluid composition of gilts.
Topics: Animal Feed; Animals; beta Carotene; Dose-Response Relationship, Drug; Embryonic and Fetal Development; Female; Pregnancy; Random Allocation; Reproduction; Swine; Uterus; Vitamin A | 2002 |
Vitamin A exhibits potent antiamyloidogenic and fibril-destabilizing effects in vitro.
Topics: Alzheimer Disease; Amyloid beta-Peptides; Antioxidants; Benzothiazoles; beta Carotene; Cell Line; Dose-Response Relationship, Drug; Humans; Kinetics; Microscopy, Electron; Molecular Structure; Neurofibrils; Retinaldehyde; Thiazoles; Tretinoin; Vitamin A; Vitamins | 2004 |
The conversion of beta-carotene to vitamin A in the intestine.
Topics: beta Carotene; Humans; Intestines; Vitamin A | 1949 |
The alleged formation of vitamin A from beta-carotene treated with iodinated casein.
Topics: beta Carotene; Caseins; Iodoproteins; Vitamin A | 1949 |
Carotenoid status among preschool children with vitamin A deficiency in the Republic of the Marshall Islands.
Topics: Antioxidants; beta Carotene; Biomarkers; Carotenoids; Child; Child Welfare; Child, Preschool; Cross-Sectional Studies; Cryptoxanthins; Female; Humans; Infant; Infant Welfare; Lutein; Lycopene; Male; Micronesia; Multivariate Analysis; Vitamin A; Vitamin A Deficiency; Xanthophylls; Zeaxanthins | 2004 |
Effects of LDL-immunoapheresis on plasma concentrations of vitamin E and carotenoids in patients with familial hypercholesterolemia.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Blood Component Removal; Canthaxanthin; Carotenoids; Cholesterol; Chromatography, High Pressure Liquid; Cryptoxanthins; Edetic Acid; gamma-Tocopherol; Humans; Hyperlipoproteinemia Type II; Lycopene; Male; Middle Aged; Tocopherols; Vitamin A; Vitamin E; Xanthophylls; Zeaxanthins | 2004 |
Determination of carotenoids and all-trans-retinol in fish eggs by liquid chromatography-electrospray ionization-tandem mass spectrometry.
Topics: Animals; beta Carotene; Carotenoids; Chickens; Chromatography, High Pressure Liquid; Eggs; Ovum; Salmon; Spectrometry, Mass, Electrospray Ionization; Vitamin A; Xanthophylls | 2005 |
In vitro accessibility and intake of beta-carotene from cooked green leafy vegetables and their estimated contribution to vitamin A requirements.
Topics: Antioxidants; beta Carotene; Biological Availability; Child; Child, Preschool; Chromatography, High Pressure Liquid; Cooking; Digestion; Food Handling; Humans; In Vitro Techniques; Intestinal Absorption; Isomerism; Nutritional Requirements; Plant Oils; Vegetables; Vitamin A | 2004 |
Anti-epileptogenic effect of beta-carotene and vitamin A in pentylenetetrazole-kindling model of epilepsy in mice.
Topics: Animals; Anticonvulsants; beta Carotene; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Interactions; Epilepsy; Kindling, Neurologic; Male; Mice; Mice, Inbred Strains; Pentylenetetrazole; Seizures; Time Factors; Vitamin A | 2005 |
Vitamin A equivalency estimates: understanding apparent differences.
Topics: Adult; beta Carotene; Child; Female; Food Analysis; Humans; Male; Nutritional Status; Plant Oils; Therapeutic Equivalency; Vitamin A | 2005 |
Serum trans-fatty acids are associated with risk of prostate cancer in beta-Carotene and Retinol Efficacy Trial.
Topics: Aged; beta Carotene; Biomarkers, Tumor; Case-Control Studies; Endpoint Determination; Fatty Acids; Humans; Logistic Models; Male; Middle Aged; Prostatic Neoplasms; Risk Factors; Vitamin A | 2005 |
Effects of an enhanced vitamin A intake during the dry period on retinoids, lactoferrin, IGF system, mammary gland epithelial cell apoptosis, and subsequent lactation in dairy cows.
Topics: Animals; Apoptosis; beta Carotene; Cattle; Dietary Supplements; Epithelial Cells; Female; In Situ Nick-End Labeling; Insulin-Like Growth Factor Binding Protein 3; Insulin-Like Growth Factor I; Lactation; Lactoferrin; Lipids; Mammary Glands, Animal; Milk; Pregnancy; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Somatomedins; Vitamin A | 2005 |
Assessment of antioxidative activity of lipid- and water-soluble vitamins in human whole blood. Comparative analysis between a biological test and chemical methods.
Topics: alpha-Tocopherol; Amidines; Antioxidants; Ascorbic Acid; beta Carotene; Biological Assay; Caffeic Acids; Dose-Response Relationship, Drug; Fluorescent Dyes; Hemolysis; Humans; Luminescent Measurements; Oxidants; Phenylenediamines; Reference Values; Solubility; Vitamin A; Vitamin B Complex; Vitamins | 2005 |
Moderate exercise combined with dietary vitamins C and E counteracts oxidative stress in the kidney and lens of streptozotocin-induced diabetic-rat.
Topics: Albumins; Animals; Antioxidants; Ascorbic Acid; beta Carotene; Blood Glucose; Body Weight; Creatinine; Diabetes Mellitus, Experimental; Dietary Supplements; Female; Glutathione; Glutathione Peroxidase; Kidney; Lens, Crystalline; Lipid Peroxidation; Oxidative Stress; Physical Conditioning, Animal; Rats; Rats, Wistar; Streptozocin; Urea; Vitamin A; Vitamin E | 2005 |
A study to determine plasma antioxidant concentrations in patients with Barrett's oesophagus.
Topics: Adult; Aged; Aged, 80 and over; Anticarcinogenic Agents; Antioxidants; Ascorbic Acid; Barrett Esophagus; beta Carotene; Carotenoids; Copper; Cryptoxanthins; Esophagitis; Female; Humans; Lycopene; Male; Middle Aged; Selenium; Vitamin A; Vitamin E; Xanthophylls; Zinc | 2005 |
Effects on blood concentrations of certain serum fat-soluble vitamins of long-term feeding of dairy cows on a diet supplemented with clinoptilolite.
Topics: Animal Feed; Animals; Antioxidants; beta Carotene; Cattle; Dietary Supplements; Dose-Response Relationship, Drug; Female; Postpartum Period; Pregnancy; Random Allocation; Vitamin A; Vitamin E; Zeolites | 2005 |
Serum retinoids and beta-carotene as predictors of hip and other fractures in elderly women.
Topics: Aged; Alkaline Phosphatase; beta Carotene; Body Height; Body Weight; Bone and Bones; Bone Density; Case-Control Studies; Dietary Supplements; Diterpenes; Female; Hip Fractures; Humans; Multivariate Analysis; Osteoporosis; Proportional Hazards Models; Regression Analysis; Retinoids; Retinyl Esters; Risk Factors; Time Factors; Vitamin A | 2005 |
Plasma appearance of labeled beta-carotene, lutein, and retinol in humans after consumption of isotopically labeled kale.
Topics: Adult; beta Carotene; Brassica; Carbon Isotopes; Female; Humans; Isotope Labeling; Kinetics; Lutein; Male; Middle Aged; Vitamin A | 2005 |
Key role of conserved histidines in recombinant mouse beta-carotene 15,15'-monooxygenase-1 activity.
Topics: Alanine; Amino Acid Sequence; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Catalysis; Chromatography; Chromatography, High Pressure Liquid; Conserved Sequence; Crystallography, X-Ray; Enzyme-Linked Immunosorbent Assay; Escherichia coli; Glutamic Acid; Histidine; Humans; Iron; Kinetics; Mice; Models, Molecular; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Oxygenases; Recombinant Proteins; Sequence Homology, Amino Acid; Spectrophotometry, Atomic; Vitamin A | 2005 |
beta-cryptoxanthin stimulates cell differentiation and mineralization in osteoblastic MC3T3-E1 cells.
Topics: Alkaline Phosphatase; Animals; beta Carotene; Calcification, Physiologic; Cell Differentiation; Cell Line; Cell Proliferation; Core Binding Factor Alpha 1 Subunit; Cryptoxanthins; DNA; Gene Expression Regulation; Mice; Osteoblasts; RNA; Vitamin A; Xanthophylls | 2005 |
All-trans and 9-cis retinoic acids, retinol and beta-carotene chemopreventive activities during the initial phases of hepatocarcinogenesis involve distinct actions on glutathione S-transferase positive preneoplastic lesions remodeling and DNA damage.
Topics: Alitretinoin; Animals; Antineoplastic Agents; Antioxidants; Apoptosis; beta Carotene; Body Weight; Cell Proliferation; Chemoprevention; Comet Assay; DNA Damage; Glutathione Transferase; Hepatocytes; Incidence; Liver Neoplasms, Experimental; Male; Organ Size; Precancerous Conditions; Rats; Rats, Wistar; Tretinoin; Vitamin A | 2005 |
Implications for tumor control during protection of normal tissues with antioxidants.
Topics: alpha-Tocopherol; Antioxidants; beta Carotene; Head and Neck Neoplasms; Humans; Lung Neoplasms; Randomized Controlled Trials as Topic; Smoking; Vitamin A | 2005 |
Vitamin E gets an F. Research linking high doses of vitamin E to heart failure is causing new worries about the AREDS vitamins for macular degeneration.
Topics: beta Carotene; Contraindications; Humans; Macular Degeneration; Osteoporosis; Smoking; Vegetables; Vitamin A; Vitamin E | 2005 |
Plasma levels of lipophilic antioxidant vitamins in acute ischemic stroke patients: correlation to inflammation markers and neurological deficits.
Topics: Acute Disease; Aged; Antioxidants; beta Carotene; Biomarkers; Brain Ischemia; C-Reactive Protein; Carotenoids; Case-Control Studies; Disease Progression; Female; Humans; Inflammation; Lipid Peroxidation; Male; Middle Aged; Nutritional Status; Oxidative Stress; Severity of Illness Index; Vitamin A; Vitamins | 2005 |
Relation of DDT residues to plasma retinol, alpha-tocopherol, and beta-carotene during pregnancy and malaria infection: a case-control study in Karen women in northern Thailand.
Topics: alpha-Tocopherol; Antioxidants; beta Carotene; Case-Control Studies; DDT; Environmental Pollutants; Female; Humans; Malaria; Pregnancy; Thailand; Vitamin A | 2006 |
Carotenoid transport is decreased and expression of the lipid transporters SR-BI, NPC1L1, and ABCA1 is downregulated in Caco-2 cells treated with ezetimibe.
Topics: Antibodies; Anticholesteremic Agents; Antioxidants; ATP Binding Cassette Transporter 1; ATP-Binding Cassette Transporters; Azetidines; beta Carotene; Biological Transport, Active; Caco-2 Cells; Carbon Radioisotopes; Carotenoids; CD36 Antigens; Cholesterol; Down-Regulation; Ezetimibe; Gene Expression; Humans; Intestine, Small; Membrane Proteins; Membrane Transport Proteins; Proteins; Scavenger Receptors, Class B; Transcriptional Activation; Vitamin A | 2005 |
beta-Carotene conversion into vitamin A in human retinal pigment epithelial cells.
Topics: Animals; beta Carotene; Blotting, Western; Cattle; Cell Culture Techniques; Chromatography, High Pressure Liquid; Cytochrome P-450 Enzyme System; Dose-Response Relationship, Drug; Gene Expression Regulation, Enzymologic; Humans; Pigment Epithelium of Eye; Receptors, Retinoic Acid; Retinoic Acid 4-Hydroxylase; Retinoic Acid Receptor alpha; Retinoid X Receptor alpha; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Time Factors; Tretinoin; Up-Regulation; Vitamin A | 2005 |
Low levels of carotenoids and retinol in involutional osteoporosis.
Topics: Aged; beta Carotene; Carotenoids; Case-Control Studies; Female; Humans; Lutein; Osteoporosis; Vitamin A; Xanthophylls; Zeaxanthins | 2006 |
Efficiency of a few retinoids and carotenoids in vivo in controlling benzo[a]pyrene-induced forestomach tumour in female Swiss mice.
Topics: Animals; Anticarcinogenic Agents; Benzo(a)pyrene; beta Carotene; Biological Availability; Carcinogens; Carotenoids; Dietary Supplements; Female; Lutein; Mice; Retinaldehyde; Retinoids; Stomach Neoplasms; Tretinoin; Vitamin A; Vitamins | 2005 |
Spinach or carrots can supply significant amounts of vitamin A as assessed by feeding with intrinsically deuterated vegetables.
Topics: Aged; Antioxidants; Area Under Curve; beta Carotene; Biological Availability; Carbon Isotopes; Daucus carota; Deuterium; Female; Gas Chromatography-Mass Spectrometry; Humans; Intestinal Absorption; Isotope Labeling; Male; Middle Aged; Nutritive Value; Spinacia oleracea; Vitamin A | 2005 |
Lipid-soluble antioxidants status and some of its socio-economic determinants among pregnant Ethiopians at the third trimester.
Topics: Adolescent; Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Ethiopia; Female; Housing; Humans; Nutritional Status; Pregnancy; Pregnancy Complications; Pregnancy Trimester, Third; Prenatal Care; Seroepidemiologic Studies; Socioeconomic Factors; Surveys and Questionnaires; Vitamin A; Vitamin A Deficiency | 2005 |
Twice the amount of alpha-carotene isolated from carrots is as effective as beta-carotene in maintaining the vitamin A status of Mongolian gerbils.
Topics: Animals; beta Carotene; Carotenoids; Daucus carota; Diet; Diterpenes; Gerbillinae; Kinetics; Liver; Male; Nutritional Status; Retinyl Esters; Vitamin A; Weight Gain | 2005 |
[Dietary intake of antioxidant vitamins in Russian population].
Topics: Adolescent; Adult; Age Factors; Antioxidants; Ascorbic Acid; beta Carotene; Child; Child, Preschool; Data Collection; Diet; Diet Surveys; Female; Humans; Infant; Infant, Newborn; Longitudinal Studies; Male; Middle Aged; Nutrition Policy; Russia; Time Factors; Vitamin A; Vitamin E; Vitamins | 2005 |
Long-term fluctuations and effect of age on serum concentrations of certain fat-soluble vitamins in dairy cows.
Topics: Aging; Animal Feed; Animals; beta Carotene; Cattle; Female; Lactation; Parturition; Time Factors; Vitamin A; Vitamin E | 2005 |
Factors influencing blood concentration of retinol, alpha-tocopherol, vitamin C, and beta-carotene in the French participants of the SU.VI.MAX trial.
Topics: Adult; Age Factors; alpha-Tocopherol; Analysis of Variance; Antioxidants; Ascorbic Acid; beta Carotene; Chromatography, High Pressure Liquid; Demography; Diet; Diet Records; Female; France; Humans; Male; Middle Aged; Nutritional Status; Seasons; Sex Factors; Smoking; Vitamin A | 2006 |
Contamination and biomarkers in the great blue heron, an indicator of the state of the st. Lawrence river.
Topics: Animals; beta Carotene; Biomarkers; Birds; Diterpenes; Environmental Monitoring; Feathers; Hydrocarbons, Chlorinated; Mercury; Polychlorinated Biphenyls; Quebec; Retinyl Esters; Rivers; Vitamin A; Water Pollutants, Chemical; Zygote | 2006 |
Vitamin A nutrition of growing cockatiel chicks (Nymphicus hollandicus).
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Antioxidants; beta Carotene; Cockatoos; Dose-Response Relationship, Drug; Feathers; Female; Liver; Male; Oviposition; Vitamin A | 2005 |
Recent research highlights importance of trials halted 10 years ago.
Topics: Antineoplastic Agents; Antineoplastic Agents, Hormonal; Aromatase Inhibitors; beta Carotene; Breast Neoplasms; Clinical Trials as Topic; Estrogen Receptor Modulators; Female; Humans; Lung Neoplasms; Male; Smoking; Tamoxifen; Vitamin A | 2006 |
Involvement of serum retinoids and Leiden mutation in patients with esophageal, gastric, liver, pancreatic, and colorectal cancers in Hungary.
Topics: Adult; Aged; beta Carotene; Colorectal Neoplasms; Esophageal Neoplasms; Factor V; Female; Humans; Liver Neoplasms; Male; Middle Aged; Pancreatic Neoplasms; Point Mutation; Retinoids; Stomach Neoplasms; Vitamin A; Xanthophylls; Zeaxanthins | 2005 |
Cooperation between MEF2 and PPARgamma in human intestinal beta,beta-carotene 15,15'-monooxygenase gene expression.
Topics: 5' Flanking Region; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Blotting, Western; Caco-2 Cells; Electrophoretic Mobility Shift Assay; Humans; Intestinal Mucosa; Intestines; MADS Domain Proteins; MEF2 Transcription Factors; Mice; Mutagenesis, Site-Directed; Myogenic Regulatory Factors; PPAR gamma; Promoter Regions, Genetic; Retinoid X Receptors; Vitamin A | 2006 |
Biofortification of staple food crops.
Topics: Agriculture; beta Carotene; Breeding; Consumer Behavior; Cost-Benefit Analysis; Crops, Agricultural; Developing Countries; Food, Fortified; Humans; Ipomoea batatas; Iron; Plant Roots; Vitamin A; Zinc | 2006 |
Serum carotenoids, vitamins A and E, and 8 year lung function decline in a general population.
Topics: Adult; Airway Obstruction; Antioxidants; beta Carotene; Body Mass Index; Carotenoids; Female; Forced Expiratory Volume; Humans; Longitudinal Studies; Male; Middle Aged; Smoking; Vitamin A; Vitamin E | 2006 |
Maternal intake of antioxidant vitamins in pregnancy in relation to maternal and fetal plasma levels at delivery.
Topics: Adolescent; Adult; Antioxidants; Ascorbic Acid; beta Carotene; Delivery, Obstetric; Diet; Female; Fetal Blood; Humans; Maternal-Fetal Exchange; Pregnancy; Vitamin A; Vitamin E; Vitamins | 2006 |
Prediagnostic level of serum retinol in relation to reduced risk of hepatocellular carcinoma.
Topics: beta Carotene; Carcinoma, Hepatocellular; Carotenoids; Case-Control Studies; China; Cryptoxanthins; Humans; Incidence; Liver Neoplasms; Logistic Models; Lutein; Lycopene; Male; Micronutrients; Middle Aged; Odds Ratio; Prospective Studies; Risk Assessment; Risk Factors; Selenium; Tocopherols; Vitamin A; Xanthophylls; Zeaxanthins | 2006 |
[Evaluation on beta-carotene-vitamin A equivalence of middle-aged subjects in Chinese adults].
Topics: Adult; Area Under Curve; Asian People; beta Carotene; Chromatography, High Pressure Liquid; Evaluation Studies as Topic; Female; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Male; Middle Aged; Vitamin A | 2006 |
Physical quality and carotene content of solar-dried green leafy and yellow succulent vegetables.
Topics: Antioxidants; beta Carotene; Brassica; Carotenoids; Color; Daucus carota; Food Analysis; Food Handling; Ipomoea batatas; Vegetables; Vitamin A; Water | 2006 |
Effect of low vitamin A status on fat deposition and fatty acid desaturation in beef cattle.
Topics: Adipose Tissue; Animal Feed; Animal Husbandry; Animals; beta Carotene; Cattle; Fatty Acids; Male; Vitamin A; Vitamin A Deficiency | 2006 |
Quantitative analyses of beta-carotene and retinol in serum and feces in support of clinical bioavailability studies.
Topics: beta Carotene; Biological Availability; Chromatography, High Pressure Liquid; Feces; Humans; Mass Spectrometry; Reproducibility of Results; Vitamin A | 2006 |
Micellar oleic and eicosapentaenoic acid but not linoleic acid influences the beta-carotene uptake and its cleavage into retinol in rats.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Diterpenes; Eicosapentaenoic Acid; Intestinal Absorption; Intestinal Mucosa; Linoleic Acid; Male; Micelles; Oleic Acid; Rats; Rats, Wistar; Retinyl Esters; Time Factors; Vitamin A | 2006 |
Simulation and optimization of a supercritical extraction process for recovering provitamin A.
Topics: beta Carotene; Carbon Dioxide; Chemical Fractionation; Chromatography, High Pressure Liquid; Computer Simulation; Ethanol; Models, Chemical; Models, Molecular; Palm Oil; Plant Oils; Steam; Vitamin A | 2006 |
Bioavailability of beta-carotene (betaC) from purple carrots is the same as typical orange carrots while high-betaC carrots increase betaC stores in Mongolian gerbils (Meriones unguiculatus).
Topics: Animals; beta Carotene; Biological Availability; Carotenoids; Daucus carota; Diet; Eating; Energy Intake; Gerbillinae; Male; Vitamin A; Weight Gain | 2006 |
Carotenoid content of pandanus fruit cultivars and other foods of the Republic of Kiribati.
Topics: Antioxidants; beta Carotene; Biological Availability; Carotenoids; Chromatography, High Pressure Liquid; Food, Organic; Health Promotion; Humans; Micronesia; Nutritive Value; Pandanaceae; Pigmentation; Public Health; Vitamin A; Vitamin A Deficiency | 2006 |
[Efficiency of assessment of retinol, alpha-tocopherol and beta-carotene by the liquid chromatography method].
Topics: alpha-Tocopherol; beta Carotene; Chromatography, High Pressure Liquid; Humans; Vitamin A | 2006 |
Carotenoid-biofortified maize maintains adequate vitamin a status in Mongolian gerbils.
Topics: Animals; beta Carotene; Diet; Food, Fortified; Gerbillinae; Liver; Male; Nutritional Status; Vitamin A; Zea mays | 2006 |
Potential impact and cost-effectiveness of Golden Rice.
Topics: beta Carotene; Biological Availability; Biotechnology; Cost-Benefit Analysis; Eating; India; Oryza; Plants, Genetically Modified; Vitamin A; Vitamin A Deficiency | 2006 |
Intake of vitamin A and carotenoids from the Italian population--results of an Italian total diet study.
Topics: Anticarcinogenic Agents; Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Cryptoxanthins; Diet Surveys; Food Analysis; Humans; Italy; Lutein; Lycopene; Prevalence; Vegetables; Vitamin A; Xanthophylls; Zeaxanthins | 2006 |
Vitamin A and beta-carotene supply of women with gemini or short birth intervals: a pilot study.
Topics: Adult; beta Carotene; Birth Intervals; Chromatography, High Pressure Liquid; Colostrum; Cross-Sectional Studies; Diet; Dietary Supplements; Female; Fetal Blood; Humans; Infant, Newborn; Maternal Nutritional Physiological Phenomena; Nutrition Policy; Nutritional Requirements; Nutritional Status; Pilot Projects; Pregnancy; Socioeconomic Factors; Vitamin A | 2007 |
Vitamin A and beta-carotene inhibitory effect during 1,2-dimethylhydrazine induced hepatocarcinogenesis potentiated by 5-azacytidine.
Topics: 1,2-Dimethylhydrazine; Animals; Anticarcinogenic Agents; Azacitidine; beta Carotene; DNA Repair; gamma-Glutamyltransferase; Liver Neoplasms, Experimental; Male; Rats; Rats, Wistar; Vitamin A | 2007 |
Prospective study of vitamins C, E, and A and carotenoids and risk of oral premalignant lesions in men.
Topics: Adult; Aged; Ascorbic Acid; beta Carotene; Carotenoids; Case-Control Studies; Cryptoxanthins; Diet; Humans; Male; Middle Aged; Mouth Neoplasms; Precancerous Conditions; Risk Factors; Smoking; United States; Vitamin A; Vitamin E; Vitamins; Xanthophylls | 2007 |
Vitamin A potently destabilizes preformed alpha-synuclein fibrils in vitro: implications for Lewy body diseases.
Topics: alpha-Synuclein; Antioxidants; Benzothiazoles; beta Carotene; Coenzymes; Humans; Lewy Body Disease; Microscopy, Atomic Force; Microscopy, Electron; Microscopy, Fluorescence; Neurofibrils; Neuroprotective Agents; Parkinson Disease; Thiazoles; Ubiquinone; Vitamin A; Vitamins | 2007 |
Marker-free transgenic (MFT) near-isogenic introgression lines (NIILs) of 'golden' indica rice (cv. IR64) with accumulation of provitamin A in the endosperm tissue.
Topics: Alkyl and Aryl Transferases; beta Carotene; Carotenoids; Chloramphenicol O-Acetyltransferase; DNA Fingerprinting; Gene Transfer Techniques; Genes, Bacterial; Genetic Engineering; Genetic Markers; Geranylgeranyl-Diphosphate Geranylgeranyltransferase; Haploidy; Inbreeding; Oryza; Oxidoreductases; Phenotype; Phosphotransferases (Alcohol Group Acceptor); Plant Proteins; Plants, Genetically Modified; Seeds; Vitamin A | 2006 |
[Influence of antioxidants on the development of benign prostatic hyperplasia].
Topics: Adult; Age Factors; Aged; Aged, 80 and over; Aging; Ascorbic Acid; beta Carotene; Biomarkers; Chromatography, High Pressure Liquid; Disease Progression; Humans; Male; Middle Aged; Oxidative Stress; Prognosis; Prostate-Specific Antigen; Prostatic Hyperplasia; Retrospective Studies; Ultrasonography; Vitamin A; Vitamin E | 2006 |
Carotenoid content and flesh color of selected banana cultivars growing in Australia.
Topics: Antioxidants; Australia; beta Carotene; Biological Availability; Carotenoids; Chromatography, High Pressure Liquid; Food, Organic; Health Promotion; Humans; Micronesia; Musa; Nutritional Requirements; Nutritive Value; Pigmentation; Public Health; Vitamin A; Vitamin A Deficiency | 2006 |
[The effect of tobacco smoking during pregnancy on concentration of vitamin A and beta-carotene in matched-maternal cord pairs].
Topics: beta Carotene; Case-Control Studies; Cotinine; Dietary Supplements; Down-Regulation; Environmental Monitoring; Female; Fetal Blood; Humans; Maternal Exposure; Maternal-Fetal Exchange; Pregnancy; Pregnancy Trimester, Third; Smoking; Vitamin A | 2006 |
Cellular sites of Drosophila NinaB and NinaD activity in vitamin A metabolism.
Topics: Age Factors; Animals; Animals, Genetically Modified; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Brain; Drosophila melanogaster; Drosophila Proteins; Ganglia, Invertebrate; Gene Expression Regulation, Enzymologic; Larva; Optic Lobe, Nonmammalian; Receptors, Immunologic; Retinaldehyde; Vitamin A | 2007 |
Electron paramagnetic spectroscopic evidence of exercise-induced free radical accumulation in human skeletal muscle.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Carotenoids; Coenzymes; Cyclic N-Oxides; Electron Spin Resonance Spectroscopy; Exercise; Free Radical Scavengers; Free Radicals; Humans; Lipid Peroxidation; Lipid Peroxides; Lycopene; Male; Mitochondria, Muscle; Muscle Proteins; Muscle, Skeletal; Oxidative Stress; Spin Labels; Ubiquinone; Vitamin A | 2007 |
Variable T-DNA linkage configuration affects inheritance of carotenogenic transgenes and carotenoid accumulation in transgenic indica rice.
Topics: beta Carotene; Breeding; Carotenoids; DNA, Bacterial; Gene Expression Regulation, Plant; Genetic Engineering; Genetic Linkage; Oryza; Plant Proteins; Plants, Genetically Modified; Seeds; Transgenes; Vitamin A | 2007 |
Evaluating associations between Mediterranean diet adherence indexes and biomarkers of diet and disease.
Topics: Adult; Aged; alpha-Tocopherol; Ascorbic Acid; beta Carotene; Biomarkers; Diet, Mediterranean; Feeding Behavior; Female; Fruit; Health Behavior; Humans; Lipids; Male; Middle Aged; Nutrition Surveys; Olive Oil; Patient Compliance; Plant Oils; Spain; Triglycerides; Vegetables; Vitamin A; Vitamin B 12 | 2006 |
Protective effects of lamotrigine, aripiprazole and escitalopram on depression-induced oxidative stress in rat brain.
Topics: Animals; Antipsychotic Agents; Aripiprazole; Ascorbic Acid; beta Carotene; Brain; Calcium Channel Blockers; Citalopram; Glutathione; Glutathione Peroxidase; Lamotrigine; Lipid Peroxidation; Male; Neuroprotective Agents; Oxidative Stress; Piperazines; Quinolones; Random Allocation; Rats; Rats, Wistar; Selective Serotonin Reuptake Inhibitors; Triazines; Vitamin A | 2007 |
Dissection of the pathway required for generation of vitamin A and for Drosophila phototransduction.
Topics: Amino Acid Sequence; Animals; Base Sequence; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Drosophila; Drosophila Proteins; Gastrointestinal Tract; Molecular Sequence Data; Neuroglia; Neurons; Receptors, Immunologic; Receptors, Scavenger; Retinaldehyde; Retinol-Binding Proteins; Rhodopsin; Scavenger Receptors, Class B; Sequence Alignment; Vision, Ocular; Vitamin A | 2007 |
Beta-carotene from red carrot maintains vitamin A status, but lycopene bioavailability is lower relative to tomato paste in Mongolian gerbils.
Topics: Animals; Antioxidants; beta Carotene; Biological Availability; Carotenoids; Daucus carota; Diet; Gerbillinae; Liver; Lycopene; Male; Solanum lycopersicum; Vitamin A | 2007 |
What we know and don't know about Golden Rice.
Topics: beta Carotene; Biological Availability; Biotechnology; Cost-Benefit Analysis; Eating; Humans; India; Oryza; Plants, Genetically Modified; Vitamin A; Vitamin A Deficiency | 2007 |
The antioxidant controversy. The jury is still out, but food sources probably win over pills.
Topics: Antioxidants; beta Carotene; Capsules; Cause of Death; Dietary Supplements; Fruit; Humans; Vitamin A; Vitamin E | 2007 |
alpha-Tocopherol increases caspase-3 up-regulation and apoptosis by beta-carotene cleavage products in human neutrophils.
Topics: alpha-Tocopherol; Apoptosis; beta Carotene; Caspase 3; Chromatin; DNA Fragmentation; Humans; In Vitro Techniques; Neutrophils; Norisoprenoids; Up-Regulation; Vitamin A | 2007 |
Serum retinol and beta-carotene levels in subacute sclerosing panencephalitis.
Topics: Adolescent; beta Carotene; Case-Control Studies; Child; Child, Preschool; Female; Humans; Male; Statistics, Nonparametric; Subacute Sclerosing Panencephalitis; Vitamin A | 2007 |
beta-Carotene and canthaxanthin alter the pro-oxidation and antioxidation balance in rats fed a high-cholesterol and high-fat diet.
Topics: Animals; Antioxidants; beta Carotene; Biomarkers; Canthaxanthin; Catalase; Cholesterol; Cholesterol, Dietary; Dietary Fats; Glutathione Peroxidase; Glutathione Reductase; Lipid Peroxidation; Liver; Male; Rats; Rats, Wistar; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Triglycerides; Vitamin A; Vitamin E; Vitamins | 2008 |
Antioxidative role of melatonin in organophosphate toxicity in rats.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Catalase; Ceruloplasmin; Erythrocytes; Glutathione; Glutathione Peroxidase; Male; Malondialdehyde; Melatonin; Nitrates; Nitrites; Organophosphates; Oxidative Stress; Rats; Rats, Wistar; Superoxide Dismutase; Vitamin A | 2008 |
Content and in-vitro accessibility of pro-vitamin A carotenoids from Sri Lankan cooked non-leafy vegetables and their estimated contribution to vitamin A requirement.
Topics: Antioxidants; beta Carotene; Biological Availability; Carotenoids; Chromatography, High Pressure Liquid; Cocos; Cooking; Food Technology; Humans; Sri Lanka; Vegetables; Vitamin A; Vitamin A Deficiency; Vitamins | 2007 |
CMO1 deficiency abolishes vitamin A production from beta-carotene and alters lipid metabolism in mice.
Topics: Adipose Tissue; Animals; beta Carotene; Fatty Acids; Glucose Tolerance Test; Homeostasis; Humans; Lipids; Liver; Mice; Mice, Inbred C57BL; Mice, Transgenic; Models, Genetic; Oxygenases; PPAR gamma; Recombination, Genetic; Vitamin A | 2007 |
Lung cancer chemoprevention: ACCP evidence-based clinical practice guidelines (2nd Edition).
Topics: Acetylcysteine; alpha-Tocopherol; Anticarcinogenic Agents; Aspirin; beta Carotene; Chemoprevention; Clinical Trials, Phase III as Topic; Evidence-Based Medicine; Humans; Isotretinoin; Lung Neoplasms; United States; Vitamin A | 2007 |
Nutritional and plasmatic antioxidant vitamins status of ultra endurance athletes.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Diet; Diet Records; Humans; Male; Nutrition Policy; Nutritional Requirements; Oxidative Stress; Oxygen Consumption; Physical Endurance; Vitamin A; Vitamins | 2007 |
Investigation of the vitamins A and E and beta-carotene content in milk from UK organic and conventional dairy farms.
Topics: Animal Husbandry; Animals; beta Carotene; Cattle; Dairying; Female; Milk; Time Factors; United Kingdom; Vitamin A; Vitamin E | 2007 |
[Vitamin A equivalence of spinach beta-carotene in human body].
Topics: Adult; beta Carotene; Biological Availability; Humans; Isotope Labeling; Male; Middle Aged; Spinacia oleracea; Vitamin A | 2007 |
[Detecting VA, VD3, VE and beta-carotene with HPLC in human serums].
Topics: alpha-Tocopherol; beta Carotene; Cholecalciferol; Chromatography, High Pressure Liquid; Humans; Limit of Detection; Vitamin A | 2007 |
Trends in blood lipids and fat soluble vitamins in Catalonia, Spain (1992-2003).
Topics: Adolescent; Adult; Age Distribution; Aged; alpha-Tocopherol; beta Carotene; Cholesterol; Cholesterol, HDL; Cholesterol, LDL; Cross-Sectional Studies; Female; Health Surveys; Humans; Hypercholesterolemia; Male; Middle Aged; Nutritional Status; Sex Distribution; Spain; Vitamin A | 2007 |
Long-term strict raw food diet is associated with favourable plasma beta-carotene and low plasma lycopene concentrations in Germans.
Topics: Adult; Antioxidants; beta Carotene; Carotenoids; Cross-Sectional Studies; Diet, Vegetarian; Female; Fruit; Germany; Humans; Lycopene; Male; Middle Aged; Nutrition Surveys; Nutritional Status; Regression Analysis; Time; Vegetables; Vitamin A; White People | 2008 |
Retention of provitamin A carotenoids in high beta-carotene maize (Zea mays) during traditional African household processing.
Topics: Africa; beta Carotene; Carotenoids; Fermentation; Food Handling; Hot Temperature; Vitamin A; Water; Zea mays | 2007 |
Isx participates in the maintenance of vitamin A metabolism by regulation of beta-carotene 15,15'-monooxygenase (Bcmo1) expression.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Duodenum; Gene Expression Regulation, Enzymologic; Intestinal Mucosa; Jejunum; Mice; Mice, Transgenic; Scavenger Receptors, Class B; Transcription Factors; Vitamin A; Vitamin A Deficiency | 2008 |
[Bioefficacy of plant carotenoid to vitamin A in school age children].
Topics: beta Carotene; Biological Availability; Child; Chromatography, High Pressure Liquid; Female; Gas Chromatography-Mass Spectrometry; Humans; Isotope Labeling; Male; Spinacia oleracea; Vitamin A | 2007 |
Increased levels of 8-hydroxydeoxyguanosine and its relationship with lipid peroxidation and antioxidant vitamins in lung cancer.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Chromatography, High Pressure Liquid; Deoxyguanosine; DNA Damage; Female; Humans; Lipid Peroxidation; Lung Neoplasms; Male; Malondialdehyde; Middle Aged; Oxidative Stress; Reactive Oxygen Species; Reference Values; Vitamin A; Vitamin E; Vitamins | 2008 |
Non-alcoholic fatty liver disease and its relationship with the nutritional status of vitamin A in individuals with class III obesity.
Topics: Adult; Aged; beta Carotene; Body Mass Index; Cohort Studies; Fatty Liver; Female; Humans; Insulin Resistance; Male; Middle Aged; Nutritional Status; Obesity, Morbid; Risk Factors; Vitamin A | 2008 |
Triiodothyronine stimulates CMO1 gene expression in human intestinal Caco-2 BBe cells.
Topics: beta Carotene; beta-Carotene 15,15'-Monooxygenase; Cell Line, Tumor; Dose-Response Relationship, Drug; Gene Expression; Humans; Intestine, Small; Time Factors; Triiodothyronine; Vitamin A | 2008 |
beta-Cryptoxanthin from supplements or carotenoid-enhanced maize maintains liver vitamin A in Mongolian gerbils ( Meriones unguiculatus) better than or equal to beta-carotene supplements.
Topics: Animals; beta Carotene; Breeding; Carotenoids; Cryptoxanthins; Dietary Supplements; Food, Fortified; Gerbillinae; Liver; Male; Models, Animal; Vitamin A; Vitamins; Xanthophylls; Zea mays | 2008 |
Tenoxicam modulates antioxidant redox system and lipid peroxidation in rat brain.
Topics: Animals; Antioxidants; beta Carotene; Brain; Cyclooxygenase Inhibitors; Glutathione; Glutathione Peroxidase; Humans; Lipid Peroxidation; Male; Oxidation-Reduction; Piroxicam; Random Allocation; Rats; Rats, Wistar; Vitamin A; Vitamin E | 2008 |
The relationship among vitamin C, beta-carotene, vitamin A, progesterone and oestradiol 17-beta concentrations in plasma and cyst fluid of Holstein cows with ovarian cyst.
Topics: Animals; Ascorbic Acid; beta Carotene; Cattle; Cattle Diseases; Estradiol; Female; Ovarian Cysts; Progesterone; Vitamin A | 2008 |
Hypocarotenemia after bariatric surgery: a preliminary study.
Topics: Adult; Antioxidants; beta Carotene; Biliopancreatic Diversion; Carotenoids; Cryptoxanthins; Female; Follow-Up Studies; Gastric Bypass; Humans; Lutein; Lycopene; Male; Middle Aged; Treatment Outcome; Vitamin A; Vitamins; Xanthophylls; Zeaxanthins | 2009 |
Class III obesity and its relationship with the nutritional status of vitamin A in pre- and postoperative gastric bypass.
Topics: Adult; Aged; beta Carotene; Biomarkers; Body Mass Index; Female; Gastric Bypass; Humans; Lipoproteins, HDL; Lipoproteins, VLDL; Male; Middle Aged; Nutritional Status; Obesity; Triglycerides; Vitamin A; Vitamin A Deficiency; Young Adult | 2009 |
Solar drying of mangoes: preservation of an important source of vitamin A in French-speaking West Africa.
Topics: Africa, Western; beta Carotene; Food Handling; Food Preservation; Food Technology; Humans; Mangifera; Sunlight; Time Factors; Vitamin A; Vitamin A Deficiency | 2008 |
Vitamin A equivalence of spirulina beta-carotene in Chinese adults as assessed by using a stable-isotope reference method.
Topics: Adult; beta Carotene; Body Mass Index; Carotenoids; China; Deuterium; Diet; Fasting; Humans; Isotope Labeling; Male; Middle Aged; Reference Values; Spirulina; Therapeutic Equivalency; Vitamin A | 2008 |
The effect of hypothyroidism, hyperthyroidism, and their treatment on parameters of oxidative stress and antioxidant status.
Topics: Adult; Antioxidants; Antithyroid Agents; beta Carotene; Female; Humans; Hyperthyroidism; Hypothyroidism; Male; Malondialdehyde; Middle Aged; Nitrites; Oxidative Stress; Peroxidase; Propylthiouracil; Reactive Oxygen Species; Superoxide Dismutase; Thyroxine; Vitamin A; Vitamin E | 2008 |
In vitro uptake of β-carotene by human exfoliated colonic epithelial cells.
Topics: beta Carotene; Bile Acids and Salts; Biological Availability; Cells, Cultured; Colon; Epithelial Cells; Feces; Humans; Intestinal Mucosa; Lecithins; Models, Biological; Triolein; Vitamin A | 2009 |
The xanthophyll composition of biofortified maize (Zea mays Sp.) does not influence the bioefficacy of provitamin a carotenoids in Mongolian gerbils (Meriones unguiculatus).
Topics: Animals; beta Carotene; Carotenoids; Diet; Dietary Supplements; Food, Fortified; Gerbillinae; Liver; Male; Seeds; Vitamin A; Xanthophylls; Zea mays | 2008 |
A study of the serum carotenoids of eight cases of hypercarotenemia in Sri Lanka.
Topics: Antioxidants; beta Carotene; Carotenoids; Child Nutrition Disorders; Child, Preschool; Cryptoxanthins; Female; Humans; Infant; Male; Sri Lanka; Vitamin A; Xanthophylls | 2009 |
Current framework for DRI development: what are the pros and cons?
Topics: beta Carotene; Evidence-Based Medicine; Humans; Micronutrients; Nutrition Policy; Nutritional Requirements; Reference Values; Sensitivity and Specificity; Vitamin A | 2008 |
Postpartum relationship of beta carotene and vitamin A between placenta, blood and colostrum in cows and their newborns.
Topics: Animals; Animals, Newborn; beta Carotene; Cattle; Colostrum; Female; Placenta; Postpartum Period; Pregnancy; Vitamin A | 2008 |
Oxidative and antioxidant changes during formation of unstable atherosclerotic plaque.
Topics: Adult; Aged; alpha-Tocopherol; Antioxidants; Aryldialkylphosphatase; Atherosclerosis; beta Carotene; Coronary Vessels; Humans; Male; Malondialdehyde; Middle Aged; Oxidants; Oxidation-Reduction; Spectrometry, Fluorescence; Vitamin A | 2007 |
The potential contribution of bread buns fortified with beta-carotene-rich sweet potato in Central Mozambique.
Topics: Adolescent; Adult; beta Carotene; Bread; Child; Child, Preschool; Consumer Behavior; Female; Food, Fortified; Humans; Infant; Ipomoea batatas; Male; Mozambique; Nutritional Physiological Phenomena; Nutritional Requirements; Nutritive Value; Pregnancy; Vitamin A; Vitamin A Deficiency | 2008 |
Relative biological activity of betacarotene and vitamin A.
Topics: beta Carotene; Humans; Vitamin A | 1948 |
Plasma antioxidants and asymptomatic carotid atherosclerotic disease.
Topics: Aged; Antioxidants; beta Carotene; Biomarkers; Body Mass Index; Carotenoids; Carotid Artery Diseases; Cholesterol, HDL; Hemoglobins; Humans; Lycopene; Male; Middle Aged; Tunica Intima; Ultrasonography; Vitamin A; Vitamin E; Vitamins | 2008 |
Patients with sickle cell disease have reduced blood antioxidant protection.
Topics: Adolescent; Adult; Aged; alpha-Tocopherol; Analysis of Variance; Anemia, Sickle Cell; Antioxidants; beta Carotene; Child; Docosahexaenoic Acids; Eicosapentaenoic Acid; Glutathione Peroxidase; Humans; Middle Aged; Nigeria; Oxidative Stress; Phosphatidylethanolamines; Superoxide Dismutase; United Kingdom; Vitamin A; Young Adult | 2008 |
Antioxidant supplements found not to improve human survival.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Health Status; Humans; Mortality; Primary Prevention; Randomized Controlled Trials as Topic; Selenium; Survival Rate; Vitamin A; Vitamin E | 2008 |
Beta-carotene metabolites enhance inflammation-induced oxidative DNA damage in lung epithelial cells.
Topics: beta Carotene; Cell Line, Tumor; Cell Movement; DNA Damage; Electron Spin Resonance Spectroscopy; Epithelial Cells; Humans; Hydrogen Peroxide; Inflammation; Inflammation Mediators; Lung; Mutagenicity Tests; Neutrophil Activation; Neutrophils; Oxidation-Reduction; Oxidative Stress; Peroxidase; Purines; Tretinoin; Vitamin A | 2009 |
The influence of maternal smoking on maternal and newborn oxidant and antioxidant status.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Biomarkers; Cotinine; Female; Fetal Blood; Humans; Infant, Newborn; Male; Milk, Human; Oxidative Stress; Pregnancy; Smoking; Vitamin A | 2009 |
Sweet potato beta-carotene bioefficacy is enhanced by dietary fat and not reduced by soluble fiber intake in Mongolian gerbils.
Topics: Animals; beta Carotene; Dietary Fats; Dietary Fiber; Gerbillinae; Ipomoea batatas; Solubility; Vitamin A; Vitamin A Deficiency | 2009 |
Concentrations of beta-carotene (Carofertin) and vitamin A in plasma of pigs after intramuscular injection of beta-carotene.
Topics: Animals; Area Under Curve; beta Carotene; Biological Availability; Female; Injections, Intramuscular; Intestinal Absorption; Safety; Swine; Vitamin A | 2008 |
13C natural abundance in serum retinol acts as a biomarker for increases in dietary provitamin A.
Topics: Adult; beta Carotene; Biomarkers; Body Composition; Caloric Restriction; Carbon Isotopes; Diet; Female; Fruit; Humans; Male; Middle Aged; Reference Standards; Vegetables; Vitamin A | 2009 |
Cassava with enhanced beta-carotene maintains adequate vitamin A status in Mongolian gerbils (Meriones unguiculatus) despite substantial cis-isomer content.
Topics: Animals; beta Carotene; Biological Availability; Body Weight; Cottonseed Oil; Dietary Supplements; Food, Fortified; Gerbillinae; Isomerism; Liver; Male; Manihot; Nutritional Status; Vitamin A; Vitamin A Deficiency; Vitamins | 2009 |
Long-term use of beta-carotene, retinol, lycopene, and lutein supplements and lung cancer risk: results from the VITamins And Lifestyle (VITAL) study.
Topics: Aged; beta Carotene; Carotenoids; Dietary Supplements; Female; Humans; Lung Neoplasms; Lutein; Lycopene; Male; Middle Aged; Risk Factors; Smoking; Surveys and Questionnaires; Vitamin A; Vitamins | 2009 |
ERGs in children with pancreatic enzyme insufficient and pancreatic enzyme sufficient cystic fibrosis.
Topics: Adolescent; beta Carotene; Child; Child, Preschool; Cystic Fibrosis; Electroretinography; Enzymes; Female; Humans; Male; Pancreas; Retina; Retinol-Binding Proteins; Vitamin A | 2009 |
Levels of lipid peroxidation, nitric oxide, and antioxidant vitamins in plasma of patients with fibromyalgia.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Female; Fibromyalgia; Humans; Lipid Peroxidation; Middle Aged; Nitric Oxide; Reactive Nitrogen Species; Vitamin A; Vitamin E; Vitamins | 2009 |
The vitamin A family can significantly decrease the expression of ERbeta of ERs positive breast cancer cells in the presence or absence of ER ligands and paclitaxel.
Topics: Antineoplastic Agents, Phytogenic; beta Carotene; Breast Neoplasms; Carotenoids; Cell Line, Tumor; Cell Proliferation; Estrogen Antagonists; Estrogen Receptor alpha; Estrogen Receptor beta; Female; Humans; Ligands; Lycopene; Paclitaxel; RNA, Messenger; Tamoxifen; Vitamin A; Vitamins | 2009 |
Is it true that antioxidant supplements such as beta carotene, vitamin A and vitamin E can raise my risk of death?
Topics: Antioxidants; beta Carotene; Diet; Dietary Supplements; Fruit; Humans; Randomized Controlled Trials as Topic; Risk Factors; Vegetables; Vitamin A; Vitamin E; Vitamins | 2009 |
Relationship between plasma antioxidant concentrations and carotid intima-media thickness: the Asymptomatic Carotid Atherosclerotic Disease In Manfredonia Study.
Topics: Adult; Aged; Antioxidants; beta Carotene; Biomarkers; Carotenoids; Carotid Arteries; Carotid Artery Diseases; Cross-Sectional Studies; Diabetes Complications; Dyslipidemias; Female; Humans; Hypertension; Inflammation Mediators; Italy; Lipids; Lycopene; Male; Middle Aged; Nutritional Status; Odds Ratio; Prospective Studies; Risk Assessment; Risk Factors; Severity of Illness Index; Smoking; Tunica Intima; Tunica Media; Ultrasonography; Vitamin A; Vitamin E; Vitamins | 2009 |
Antioxidants: not for prevention.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Free Radicals; Humans; Meta-Analysis as Topic; Mortality; Primary Prevention; Randomized Controlled Trials as Topic; Secondary Prevention; Selenium; Vitamin A; Vitamin E | 2009 |
Carotenoids provide the major antioxidant defence in the globally significant N2-fixing marine cyanobacterium Trichodesmium.
Topics: Antioxidants; Bacterial Proteins; beta Carotene; Chromatography, High Pressure Liquid; Cyanobacteria; Diterpenes; Retinyl Esters; Vitamin A | 2009 |
Transgenic multivitamin corn through biofortification of endosperm with three vitamins representing three distinct metabolic pathways.
Topics: Ascorbic Acid; beta Carotene; Folic Acid; Food, Fortified; Gene Transfer Techniques; Genetic Engineering; Genetic Vectors; Homozygote; Models, Genetic; Plants, Genetically Modified; Transgenes; Vitamin A; Vitamins; Zea mays | 2009 |
Comparative effects of beta-carotene and fucoxanthin on retinol deficiency induced oxidative stress in rats.
Topics: Animals; Antioxidants; beta Carotene; Catalase; Chromatography, High Pressure Liquid; Fatty Acids; Glutathione Transferase; Lipid Peroxidation; Microsomes, Liver; Oxidative Stress; Rats; Rats, Wistar; Sodium-Potassium-Exchanging ATPase; Spectrophotometry, Ultraviolet; Time Factors; Vitamin A; Vitamin A Deficiency; Xanthophylls | 2009 |
Identifying anatomical sites of carotenoid metabolism in birds.
Topics: Animal Feed; Animals; beta Carotene; Birds; Carotenoids; Liver; Pigmentation; Vitamin A | 2009 |
Prooxidant-antioxidant factors in the blood of pregnant women with late gestosis of different severity.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Female; Humans; Lipid Peroxidation; Malondialdehyde; Pre-Eclampsia; Pregnancy; Reactive Oxygen Species; Vitamin A; Young Adult | 2008 |
A minute dose of 14C-{beta}-carotene is absorbed and converted to retinoids in humans.
Topics: Administration, Oral; Adult; Area Under Curve; beta Carotene; Carbon Isotopes; Feces; Female; Humans; Intestinal Absorption; Male; Mass Spectrometry; Retinoids; Vitamin A | 2009 |
Oxidative stress implication after prolonged storage donor heart with blood versus crystalloid cardioplegia and reperfusion versus static storage.
Topics: Animals; Arrhythmias, Cardiac; beta Carotene; Blood Transfusion, Autologous; Cryopreservation; Glutathione Peroxidase; Graft Survival; Heart Arrest, Induced; Heart Transplantation; Lactic Acid; Lipid Peroxidation; Myocardial Contraction; Myocardium; Organ Preservation; Oxidative Stress; Potassium Compounds; Reperfusion Injury; Sheep; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Ventricular Pressure; Vitamin A; Vitamin E | 2010 |
Comparison of plasma antioxidant levels and related metabolic parameters between smokers and non-smokers.
Topics: Adolescent; Adult; Aged; alpha-Tocopherol; Antioxidants; beta Carotene; Carotenoids; Cross-Sectional Studies; Female; gamma-Tocopherol; Humans; Lycopene; Male; Middle Aged; Smoking; Tocopherols; Vitamin A; Young Adult | 2009 |
Re: "Long-term use of beta-carotene, retinol, lycopene, and lutein supplements and lung cancer risk: results from the VITamins and Lifestyle (VITAL) Study".
Topics: Antioxidants; beta Carotene; Carotenoids; Evidence-Based Medicine; Humans; Life Style; Lung Neoplasms; Lutein; Lycopene; Risk; Vitamin A; Vitamins | 2009 |
Effects of beta-carotene on antioxidant status in rats with chronic alcohol consumption.
Topics: Alanine Transaminase; Alcoholism; alpha-Tocopherol; Analysis of Variance; Animal Feed; Animals; Antioxidants; Aspartate Aminotransferases; beta Carotene; Diet; Erythrocytes; Ethanol; Fatty Liver, Alcoholic; Glutathione; Lipids; Liver; Malondialdehyde; Organ Size; Oxidative Stress; Oxidoreductases; Rats; Rats, Sprague-Dawley; Uric Acid; Vitamin A | 2009 |
Antioxidants and periodontitis in 60-70-year-old men.
Topics: Aged; alpha-Tocopherol; Antioxidants; beta Carotene; beta-Tocopherol; Body Mass Index; Carotenoids; Cohort Studies; Cryptoxanthins; Diabetes Complications; Humans; Lutein; Lycopene; Male; Middle Aged; Northern Ireland; Periodontitis; Prospective Studies; Risk Factors; Smoking; Social Class; Vitamin A; Vitamin E; Vitamins; Xanthophylls; Zeaxanthins | 2009 |
[The necessity of vitamin and mineral intake during pregnancy].
Topics: beta Carotene; Female; Folic Acid Deficiency; Humans; Iodine; Micronutrients; Pregnancy; Pregnancy Complications; Selenium; Vitamin A; Zinc | 2007 |
Serum vitamin A and beta-carotene levels in children with asthma.
Topics: Adolescent; Aging; Asthma; beta Carotene; Child; Cholesterol; Female; Humans; Male; Saudi Arabia; Sex Factors; Triglycerides; Vitamin A; Vitamin A Deficiency | 2009 |
Bioefficacy of beta-carotene is improved in rats after solubilized as equimolar dose of beta-carotene and lutein in phospholipid-mixed micelles.
Topics: Animals; Area Under Curve; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Biological Availability; Diterpenes; Intestinal Mucosa; Lipids; Lutein; Lysophosphatidylcholines; Male; Micelles; Phosphatidylcholines; Rats; Rats, Wistar; Retinyl Esters; Vitamin A | 2009 |
Acetaminophen at different doses protects brain microsomal Ca2+-ATPase and the antioxidant redox system in rats.
Topics: Acetaminophen; Animals; beta Carotene; Brain; Calcium; Glutathione Peroxidase; Lipid Peroxidation; Male; Microsomes; Oxidative Stress; Rats; Rats, Wistar; Sarcoplasmic Reticulum Calcium-Transporting ATPases; Vitamin A; Vitamin E | 2009 |
The effects of pollution on the vitamins A, E, C, beta-carotene contents and oxidative stress of the freshwater crayfish, Astacus leptodactylus.
Topics: Animals; Antioxidants; Ascorbic Acid; Astacoidea; beta Carotene; Environmental Monitoring; Female; Fresh Water; Geography; Male; Malondialdehyde; Muscles; Oxidative Stress; Turkey; Vitamin A; Vitamin E; Water Pollutants, Chemical | 2010 |
Dietary intakes of retinol, beta-carotene, vitamin D and vitamin E in the European Prospective Investigation into Cancer and Nutrition cohort.
Topics: Adult; Aged; beta Carotene; Diet; Diet Records; Diet Surveys; Educational Status; Energy Intake; Europe; Female; Humans; Male; Micronutrients; Middle Aged; Motor Activity; Prospective Studies; Sex Factors; Smoking; Vitamin A; Vitamin D; Vitamin E | 2009 |
Both human immunodeficiency virus-infected and human immunodeficiency virus-exposed, uninfected children living in Brazil, Argentina, and Mexico have similar rates of low concentrations of retinol, beta-carotene, and vitamin E.
Topics: Adolescent; Anti-Retroviral Agents; Argentina; Avitaminosis; beta Carotene; Brazil; Child; Child, Preschool; Cross-Sectional Studies; HIV; HIV Infections; Humans; Infant; Mexico; Micronutrients; Prevalence; Prospective Studies; Vitamin A; Vitamin A Deficiency; Vitamin E; Vitamin E Deficiency | 2009 |
The association of maternal diet and dietary supplement intake in pregnant New Zealand women with infant birthweight.
Topics: Adult; beta Carotene; Birth Weight; Diet; Diet Surveys; Dietary Supplements; Energy Intake; Female; Humans; Iron, Dietary; Micronutrients; New Zealand; Pregnancy; Prenatal Nutritional Physiological Phenomena; Prospective Studies; Surveys and Questionnaires; Vitamin A; Young Adult | 2010 |
Antioxidant status of elite athletes remains impaired 2 weeks after a simulated altitude training camp.
Topics: Adult; alpha-Tocopherol; Altitude; Antioxidants; Athletes; beta Carotene; Blood Proteins; Carotenoids; Chromans; Diet; Exercise; Female; Ferric Compounds; Humans; Kinetics; Lycopene; Male; Malondialdehyde; Oxidation-Reduction; Oxidative Stress; Oxygen Consumption; Physical Endurance; Skiing; Vitamin A; Vitamin E | 2010 |
Comparison of antioxidant defence parameters in colostrum and milk between Berrichon du Cher ewes and Uhrusk ewes.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Colostrum; Female; Glutathione Peroxidase; Glutathione Transferase; Milk; Parturition; Sheep; Species Specificity; Vitamin A | 2010 |
ISX is a retinoic acid-sensitive gatekeeper that controls intestinal beta,beta-carotene absorption and vitamin A production.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Blotting, Western; Cells, Cultured; Chromatin Immunoprecipitation; Colon; Fluorescent Antibody Technique; Humans; Immunoenzyme Techniques; Intestinal Absorption; Intestinal Mucosa; Intestines; Mice; Mice, Inbred C57BL; Mice, Knockout; Promoter Regions, Genetic; Receptors, Retinoic Acid; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Scavenger Receptors, Class B; Transcription Factors; Vitamin A | 2010 |
Intakes of vitamin A, C, and E, and beta-carotene are associated with risk of cervical cancer: a case-control study in Korea.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Diet; Dietary Supplements; Female; Humans; Korea; Logistic Models; Middle Aged; Odds Ratio; Risk Factors; Uterine Cervical Neoplasms; Vitamin A; Vitamin E | 2010 |
Antioxidant nutrient intakes and corresponding biomarkers associated with the risk of atopic dermatitis in young children.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Case-Control Studies; Child Nutritional Physiological Phenomena; Child, Preschool; Dermatitis, Atopic; Diet; Female; Humans; Korea; Male; Nutritional Status; Odds Ratio; Risk Factors; Surveys and Questionnaires; Vitamin A | 2010 |
Recipes and nutritional value of dishes prepared from green-leafy vegetables in an urban district of Antananarivo (Madagascar).
Topics: beta Carotene; Child, Preschool; Cooking; Diet; Dietary Fiber; Humans; Infant; Madagascar; Meat; Micronutrients; Nutritive Value; Plant Leaves; Urban Population; Vegetables; Vitamin A | 2010 |
Lipodystrophy, lipid profile changes, and low serum retinol and carotenoid levels in children and adolescents with acquired immunodeficiency syndrome.
Topics: Acquired Immunodeficiency Syndrome; Adolescent; Anti-Retroviral Agents; beta Carotene; Blood Glucose; Case-Control Studies; Child; Child, Preschool; Cross-Sectional Studies; Dyslipidemias; Female; HIV; HIV-Associated Lipodystrophy Syndrome; Humans; Insulin Resistance; Lipid Metabolism; Lipid Peroxidation; Male; Oxidative Stress; Prevalence; Vitamin A; Vitamin A Deficiency | 2010 |
Bioconversion of dietary provitamin A carotenoids to vitamin A in humans.
Topics: Adult; beta Carotene; Biotransformation; Carotenoids; Cell Differentiation; Cooking; Daucus carota; Diet; Embryonic Development; Female; Fruit; Humans; Intestinal Absorption; Male; Oryza; Spinacia oleracea; Vegetables; Vitamin A; Vitamin A Deficiency | 2010 |
Influence of carotene-rich vegetable meals on the prevalence of anaemia and iron deficiency in Filipino schoolchildren.
Topics: Anemia; Anemia, Iron-Deficiency; beta Carotene; Child; Dietary Fats; Female; Hemoglobins; Humans; Iron Deficiencies; Male; Philippines; Prevalence; Protoporphyrins; Vegetables; Vitamin A | 2010 |
Plasma carotenoids and risk of acute myocardial infarction in the Singapore Chinese Health Study.
Topics: Acute Disease; Aged; Asian People; beta Carotene; Carotenoids; Case-Control Studies; Cholesterol, HDL; Cholesterol, LDL; Confidence Intervals; Female; Humans; Lutein; Male; Middle Aged; Myocardial Infarction; Odds Ratio; Prospective Studies; Risk Factors; Singapore; Triglycerides; Vitamin A | 2011 |
The pro-vitamin A activity of mutatochrome.
Topics: beta Carotene; Vitamin A; Vitamins | 1947 |
Conversion of beta-carotene into vitamin A in the intestine of the rat.
Topics: Animals; beta Carotene; Carotenoids; Intestines; Rats; Vitamin A | 1947 |
The pro-vitamin-A activity of mutatochrome.
Topics: beta Carotene; Vitamin A; Vitamins | 1947 |
Ingested quercetin but not rutin increases accumulation of hepatic beta-carotene in BALB/c mice.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Intestinal Absorption; Intestine, Small; Liver; Male; Mice; Mice, Inbred BALB C; Quercetin; Retinoids; Rutin; Time Factors; Vitamin A | 2010 |
Small quantities of carotenoid-rich tropical green leafy vegetables indigenous to Africa maintain vitamin A status in Mongolian gerbils ( Meriones unguiculatus).
Topics: Africa; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Diet; Diterpenes; Gerbillinae; Hibiscus; Liver; Male; Moringa oleifera; Nutritional Status; Retinyl Esters; Solanum nigrum; Vegetables; Vernonia; Vitamin A | 2010 |
Maternal vitamin A supplementation and lung function in offspring.
Topics: Adolescent; beta Carotene; Child; Dietary Supplements; Female; Follow-Up Studies; Forced Expiratory Volume; Humans; Lung; Male; Maternal Nutritional Physiological Phenomena; Pregnancy; Pregnancy Complications; Prenatal Exposure Delayed Effects; Randomized Controlled Trials as Topic; Vital Capacity; Vitamin A; Vitamin A Deficiency | 2010 |
Lung development, lung function, and retinoids.
Topics: beta Carotene; Child; Dietary Supplements; Female; Forced Expiratory Volume; Humans; Lung; Maternal Nutritional Physiological Phenomena; Pregnancy; Pregnancy Complications; Prenatal Exposure Delayed Effects; Vitamin A; Vitamin A Deficiency | 2010 |
The effects of 17beta-estradiol and vitamin E treatments on oxidative stress and antioxidant levels in brain cortex of diabetic ovariectomized rats.
Topics: Animals; Antioxidants; beta Carotene; Blood Glucose; Catalase; Cerebral Cortex; Diabetes Mellitus, Experimental; Estradiol; Female; Glutathione; Glutathione Peroxidase; Lipid Peroxidation; Malondialdehyde; Ovariectomy; Oxidative Stress; Rats; Rats, Wistar; Superoxide Dismutase; Vitamin A; Vitamin E | 2010 |
Oral vitamin C and E combination modulates blood lipid peroxidation and antioxidant vitamin levels in maximal exercising basketball players.
Topics: Administration, Oral; Adolescent; Antioxidants; Ascorbic Acid; Basketball; beta Carotene; Erythrocytes; Exercise; Glutathione; Glutathione Peroxidase; Humans; Lipid Peroxidation; Male; Vitamin A; Vitamin E | 2010 |
Carotenoid profiles in provitamin A-containing fruits and vegetables affect the bioefficacy in Mongolian gerbils.
Topics: Animals; beta Carotene; Brassica; Carica; Carotenoids; Citrus; Citrus sinensis; Cryptoxanthins; Fruit; Gerbillinae; Liver; Lutein; Male; Mangifera; Spinacia oleracea; Vegetables; Vitamin A; Vitamin A Deficiency; Xanthophylls | 2010 |
The effects of dietary boric acid and borax supplementation on lipid peroxidation, antioxidant activity, and DNA damage in rats.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Borates; Boric Acids; Catalase; Dietary Supplements; DNA Damage; Glutathione; Lipid Peroxidation; Male; Malondialdehyde; Nitric Oxide; Protein Carbonylation; Rats; Rats, Sprague-Dawley; Superoxide Dismutase; Vitamin A | 2010 |
Protective potential of Royal Jelly against carbon tetrachloride induced-toxicity and changes in the serum sialic acid levels.
Topics: Alanine Transaminase; Animals; Antioxidants; Ascorbic Acid; Aspartate Aminotransferases; beta Carotene; Carbon Tetrachloride Poisoning; Fatty Acids; Glutathione; Liver; Male; Malondialdehyde; N-Acetylneuraminic Acid; Protective Agents; Rats; Rats, Sprague-Dawley; Vitamin A; Vitamins | 2010 |
Protective effect of Matricaria chamomilla on ethanol-induced acute gastric mucosal injury in rats.
Topics: Animals; Anti-Ulcer Agents; Antioxidants; Ascorbic Acid; beta Carotene; Drug Evaluation, Preclinical; Ethanol; Glutathione; Lipid Peroxidation; Male; Malondialdehyde; Matricaria; Phytotherapy; Plant Extracts; Rats; Rats, Wistar; Stomach Ulcer; Vitamin A | 2010 |
Comparison of antioxidative/oxidative profiles in blood plasma of cows with and without retained fetal placental membranes.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Cattle; Ceruloplasmin; Female; Lipid Peroxidation; Oxidative Stress; Placenta, Retained; Pregnancy; Vitamin A | 2010 |
Effect of vitamin A supplementation on maternal survival.
Topics: Bangladesh; beta Carotene; Female; Ghana; Humans; Maternal Mortality; Nepal; Night Blindness; Pregnancy; Vitamin A; Vitamin A Deficiency; Vitamins | 2010 |
Dietary factors and in situ and invasive cervical cancer risk in the European prospective investigation into cancer and nutrition study.
Topics: Adult; Aged; Ascorbic Acid; beta Carotene; Carcinoma; Carcinoma, Squamous Cell; Diet; Europe; Female; Folic Acid; Follow-Up Studies; Fruit; Humans; Middle Aged; Neoplasm Invasiveness; Nutrition Surveys; Prospective Studies; Risk Factors; Uterine Cervical Neoplasms; Vegetables; Vitamin A; Vitamin D; Vitamin E | 2011 |
Retinol-binding protein (RBP), retinol and β-carotene in the bovine uterus and plasma during the oestrous cycle and the relationship between systemic progesterone and RBP on day 7.
Topics: Animals; beta Carotene; Cattle; Estrus; Female; Progesterone; Retinol-Binding Proteins, Cellular; Retinol-Binding Proteins, Plasma; Therapeutic Irrigation; Time Factors; Uterus; Vitamin A | 2010 |
Beta-carotene is an important vitamin A source for humans.
Topics: beta Carotene; Humans; Vitamin A | 2010 |
The vitamin A activity of neo-beta-carotene U and its steric rearrangement in the digestive tract of rats.
Topics: Animals; beta Carotene; Carotenoids; Gastrointestinal Tract; Rats; Vitamin A | 1945 |
Effect of solvent upon utilization of beta-carotene for vitamin A storage.
Topics: beta Carotene; Carotenoids; Solvents; Vitamin A; Vitamins | 1946 |
Plasma antioxidant concentration, not superoxide dismutase polymorphism, is associated with breast cancer risk in Korean women.
Topics: Antioxidants; Asian People; beta Carotene; Breast Neoplasms; Case-Control Studies; Female; Gene Frequency; Genotype; Humans; Korea; Logistic Models; Middle Aged; Odds Ratio; Polymorphism, Single Nucleotide; Risk Factors; Superoxide Dismutase; Tocopherols; Vitamin A | 2010 |
The pharmacokinetic profile of crocetin in healthy adult human volunteers after a single oral administration.
Topics: Administration, Oral; Adult; Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Female; Gardenia; Humans; Lutein; Lycopene; Male; Medicine, Traditional; Middle Aged; Plant Extracts; Plants, Medicinal; Time Factors; Vitamin A | 2011 |
Effect of micronutrients on methylglyoxal-mediated in vitro glycation of albumin.
Topics: Animals; Ascorbic Acid; beta Carotene; Cattle; Chromans; Folic Acid; Glycation End Products, Advanced; Glycosylation; Iron; Manganese; Micronutrients; Pyridoxine; Pyruvaldehyde; Riboflavin; Selenium; Serum Albumin, Bovine; Thiamine; Vitamin A; Zinc | 2011 |
Vitamin levels in a selected population in the Czech Republic.
Topics: Adult; alpha-Tocopherol; Ascorbic Acid; beta Carotene; Carotenoids; Czech Republic; Diet; Female; Health Status; Health Surveys; Humans; Lycopene; Male; Military Personnel; Nutritional Status; Vitamin A; Vitamins | 2010 |
Single oral dose of micellar β-carotene containing phospholipids improves β-carotene metabolism and plasma lipids in vitamin A-deficient rats.
Topics: Animals; beta Carotene; Diet; Diterpenes; Dose-Response Relationship, Drug; Lipid Metabolism; Liver; Lysophosphatidylcholines; Male; Micelles; Phosphatidylcholines; Rats; Rats, Wistar; Retinyl Esters; Vitamin A; Vitamin A Deficiency | 2011 |
Peripheral blood lymphocytes: a model for monitoring physiological adaptation to high altitude.
Topics: Acclimatization; Altitude; Antioxidants; beta Carotene; Biomarkers; Calcium; Carotenoids; Cell Count; Glutathione Peroxidase; Humans; Hydrogen Peroxide; Lipid Peroxidation; Lycopene; Lymphocytes; Male; Membrane Potential, Mitochondrial; Models, Biological; Oxidative Stress; Protein Carbonylation; Vitamin A; Vitamin E | 2010 |
The effect of tobacco smoking during pregnancy on plasma oxidant and antioxidant status in mother and newborn.
Topics: Antioxidants; beta Carotene; Cotinine; Female; Fetal Blood; Free Radical Scavengers; Humans; Infant, Newborn; Lipid Peroxidation; Male; Malondialdehyde; Maternal Exposure; Maternal-Fetal Exchange; Oxidants; Oxidative Stress; Pregnancy; Smoking; Uric Acid; Vitamin A; Vitamin E | 2011 |
Serum retinol and β-carotene levels and risk factors for cardiovascular disease in morbid obesity.
Topics: Adult; Aged; Aging; beta Carotene; Body Mass Index; Brazil; Cardiovascular Diseases; Cholesterol, LDL; Female; Humans; Male; Metabolic Syndrome; Middle Aged; Obesity, Morbid; Prevalence; Risk Factors; Severity of Illness Index; Urban Health; Vitamin A; Vitamin A Deficiency; Young Adult | 2010 |
β-Carotene and its cleavage enzyme β-carotene-15,15'-oxygenase (CMOI) affect retinoid metabolism in developing tissues.
Topics: Acyltransferases; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Blotting, Western; Chromatography, High Pressure Liquid; Embryo, Mammalian; Female; Mice; Mice, Knockout; Pregnancy; Retinoids; Retinol-Binding Proteins; Reverse Transcriptase Polymerase Chain Reaction; Tretinoin; Vitamin A | 2011 |
Calcium from plant sources is beneficial to lowering the risk of osteoporosis in postmenopausal Korean women.
Topics: Ascorbic Acid; Asian People; beta Carotene; Body Mass Index; Bone Density; Calcium; Calcium, Dietary; Case-Control Studies; Diet; Energy Intake; Female; Humans; Middle Aged; Multivariate Analysis; Osteoporosis, Postmenopausal; Plant Extracts; Regression Analysis; Risk Factors; Vegetables; Vitamin A; Vitamin E | 2011 |
Evaluation of dietary factors in relation to the biomarkers of oxidative stress and inflammation in breast cancer risk.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Adult; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Breast Neoplasms; Case-Control Studies; Deoxyguanosine; Diet; Diet Surveys; Dietary Carbohydrates; Female; Humans; Inflammation; Inflammation Mediators; Interleukin-1beta; Interleukin-6; Middle Aged; Oxidative Stress; Risk Factors; Surveys and Questionnaires; Vitamin A; Vitamins | 2011 |
Serum carotenoids and fat-soluble vitamins in women with type 1 diabetes and preeclampsia: a longitudinal study.
Topics: beta Carotene; Carotenoids; Diabetes Mellitus, Type 1; Female; Humans; Longitudinal Studies; Lycopene; Pre-Eclampsia; Pregnancy; Pregnancy in Diabetics; Vitamin A; Vitamin D | 2011 |
Antioxidant vitamins and cytokines are altered in breast cancer.
Topics: alpha-Tocopherol; Antioxidants; beta Carotene; Breast; Breast Neoplasms; Case-Control Studies; Chromatography, High Pressure Liquid; Cytokines; Double-Blind Method; Female; Humans; Interferon-gamma; Interleukin-10; Interleukin-8; Middle Aged; Prognosis; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Vitamin A | 2011 |
Supplementation with vitamin A early in life and subsequent risk of asthma.
Topics: Adolescent; Asthma; beta Carotene; Child; Dietary Supplements; Female; Follow-Up Studies; Humans; Male; Nepal; Prevalence; Randomized Controlled Trials as Topic; Respiratory Sounds; Risk; Spirometry; Vitamin A; Vitamins; Young Adult | 2011 |
External quality assurance target setting with NIST SRM 968d material: performance in the 2010 Royal College of Pathologists of Australasia Quality Assurance Program with retinol, α-tocopherol and β-carotene.
Topics: alpha-Tocopherol; Australasia; Benchmarking; beta Carotene; Calibration; Chemistry Techniques, Analytical; Humans; Pathology; Reference Standards; Reference Values; Vitamin A | 2011 |
Retinoid production using metabolically engineered Escherichia coli with a two-phase culture system.
Topics: Alkanes; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carbon; Diterpenes; Escherichia coli; Genetic Engineering; Mevalonic Acid; Retinaldehyde; Retinoids; Retinyl Esters; Temperature; Vitamin A | 2011 |
The effect of food preparation on the bioavailability of carotenoids from carrots using intrinsic labelling.
Topics: Adult; Antioxidants; beta Carotene; Biological Availability; Carbon Isotopes; Carotenoids; Cooking; Daucus carota; Deuterium; Diterpenes; Female; Humans; Male; Middle Aged; Nutritive Value; Reproducibility of Results; Retinoids; Retinyl Esters; Time Factors; Vitamin A; Vitamin A Deficiency | 2012 |
Levels of lipid peroxidation and antioxidant vitamins in plasma and erythrocytes of patients with ankylosing spondylitis.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; Blood Sedimentation; C-Reactive Protein; Erythrocytes; Female; Glutathione; Glutathione Peroxidase; Humans; Lipid Peroxidation; Male; Malondialdehyde; Spondylitis, Ankylosing; Vitamin A; Vitamin E; Young Adult | 2011 |
Colchicine modulates oxidative stress in serum and neutrophil of patients with Behçet disease through regulation of Ca²⁺ release and antioxidant system.
Topics: Adult; Antioxidants; Behcet Syndrome; beta Carotene; Calcium; Cells, Cultured; Colchicine; Female; Glutathione; Humans; Male; Middle Aged; Neutrophils; Oxidative Stress; Serum; Vitamin A; Vitamin E | 2011 |
Independent association of serum retinol and β-carotene levels with hyperuricemia: A national population study.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Female; Humans; Hyperuricemia; Male; Middle Aged; Nutrition Surveys; Uric Acid; Vitamin A | 2012 |
Repeated measurements of serum carotenoid, retinol and tocopherol levels in relation to colorectal cancer risk in the Women's Health Initiative.
Topics: Aged; Antioxidants; beta Carotene; Carotenoids; Colonic Neoplasms; Colorectal Neoplasms; Female; Humans; Incidence; Middle Aged; Nutrition Assessment; Nutritional Status; Proportional Hazards Models; Risk Factors; Tocopherols; Vitamin A; Women's Health | 2012 |
Serum retinoic acid and atopy among children of different ethnic origin living in Germany.
Topics: beta Carotene; Child; Chromatography, High Pressure Liquid; Ethnicity; Germany; Humans; Hypersensitivity, Immediate; Prevalence; Tretinoin; Turkey; Vitamin A | 2012 |
Vitamins A & D inhibit the growth of mycobacteria in radiometric culture.
Topics: beta Carotene; Culture Techniques; Dose-Response Relationship, Drug; Humans; Mycobacterium avium; Mycobacterium tuberculosis; Radiometry; Vitamin A; Vitamin D | 2012 |
Antioxidant vitamin status (A, E, C, and beta-carotene) in European adolescents - the HELENA Study.
Topics: Adolescent; alpha-Tocopherol; Ascorbic Acid; beta Carotene; Child; Cross-Sectional Studies; Europe; Female; Humans; Male; Nutritional Status; Reference Values; Sex Characteristics; Vitamin A | 2011 |
Reexamination of a meta-analysis of the effect of antioxidant supplementation on mortality and health in randomized trials.
Topics: Antioxidants; beta Carotene; Dietary Supplements; Health Status; Humans; Meta-Analysis as Topic; Mortality; Randomized Controlled Trials as Topic; Risk Assessment; Treatment Outcome; Vitamin A; Vitamin E | 2010 |
[Association of vitamin A with bone mineral density in middle-aged and aged females].
Topics: Aged; Alkaline Phosphatase; beta Carotene; Bone Density; China; Diet Surveys; Female; Humans; Middle Aged; Osteocalcin; Vitamin A | 2011 |
Relationship between embryo collection results after superovulation treatment of Japanese Black cows and their plasma β-carotene and vitamin concentrations.
Topics: Animals; beta Carotene; Cattle; Embryo Transfer; Female; Fertilization; Follicle Stimulating Hormone; Insemination, Artificial; Oocytes; Reproductive Techniques, Assisted; Superovulation; Vitamin A; Vitamin E | 2012 |
I've read that too much vitamin A can weaken bones. How much is too much?
Topics: beta Carotene; Bone Density; Dose-Response Relationship, Drug; Health Promotion; Hip Fractures; Humans; Vitamin A | 2011 |
An LC/MS method for d8-β-carotene and d4-retinyl esters: β-carotene absorption and its conversion to vitamin A in humans.
Topics: Absorption; Atmospheric Pressure; beta Carotene; Carotenoids; Cholesterol; Chromatography, Reverse-Phase; Humans; Lycopene; Male; Mass Spectrometry; Molecular Structure; Retinoids; Smoking; Time Factors; Vitamin A | 2012 |
Prediction of effect of natural antioxidant compounds on hazelnut oil oxidation by adaptive neuro-fuzzy inference system and artificial neural network.
Topics: Antioxidants; beta Carotene; Corylus; Ellagic Acid; Fuzzy Logic; Gallic Acid; Linear Models; Models, Theoretical; Neural Networks, Computer; Oxidation-Reduction; Plant Oils; Quercetin; Vitamin A | 2011 |
Serum β-carotene in relation to risk of prostate cancer: the Kuopio Ischaemic Heart Disease Risk Factor study.
Topics: Adult; Aged; Alcohol Drinking; alpha-Linolenic Acid; alpha-Tocopherol; Antioxidants; beta Carotene; Cholesterol; Chromatography, High Pressure Liquid; Finland; Follow-Up Studies; Humans; Male; Middle Aged; Proportional Hazards Models; Prospective Studies; Prostatic Neoplasms; Risk Factors; Smoking; Surveys and Questionnaires; Vitamin A | 2012 |
Serum retinol is associated with stage of pregnancy and the acute phase response in pregnant women in Guinea-Bissau.
Topics: Acute-Phase Reaction; Adolescent; Adult; beta Carotene; Cross-Sectional Studies; Female; Guinea-Bissau; Humans; Pregnancy; Pregnancy Complications, Infectious; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Prevalence; Vitamin A; Vitamin A Deficiency; Vitamins; Young Adult | 2012 |
The age of cows as a factor shaping the antioxidant level during a nutritional experiment with fish oil and linseed supplementation for increasing the antioxidant value of milk.
Topics: Age Factors; alpha-Tocopherol; Animals; Antioxidants; beta Carotene; Cattle; Diet; Dietary Supplements; Fatty Acids; Female; Fish Oils; Flax; Humans; Lactoferrin; Lactoglobulins; Milk; Parity; Plant Preparations; Pregnancy; Seeds; Vitamin A | 2012 |
Biomarkers of subclinical atherosclerosis in patients with autoimmune disorders.
Topics: Adult; Aged; Arthritis, Psoriatic; Arthritis, Rheumatoid; Atherosclerosis; beta Carotene; Carotid Artery, Common; Carotid Intima-Media Thickness; Case-Control Studies; Enzyme-Linked Immunosorbent Assay; Female; Humans; Lipoproteins, LDL; Male; Middle Aged; Nitric Oxide; Risk; Tyrosine; Vitamin A; Vitamin E | 2012 |
Co-cultures of enterocytes and hepatocytes for retinoid transport and metabolism.
Topics: Animals; beta Carotene; Biological Transport; Cell Differentiation; Cell Line; Coculture Techniques; Cytochrome P-450 Enzyme System; Enterocytes; Hepatocytes; Humans; Mice; Models, Biological; Retinoic Acid 4-Hydroxylase; RNA Polymerase II; RNA, Messenger; Up-Regulation; Vitamin A | 2012 |
Sudanese women's and neonates' vitamin A status.
Topics: beta Carotene; Female; Humans; Infant, Newborn; Maternal Nutritional Physiological Phenomena; Nutrition Surveys; Pregnancy; Refugees; Sudan; Vitamin A; Vitamin A Deficiency | 2012 |
Sun-dried cowpeas and amaranth leaves recipe improves β-carotene and retinol levels in serum and hemoglobin concentration among preschool children.
Topics: Amaranthus; Anemia; beta Carotene; Child; Child, Preschool; Cooking; Developing Countries; Fabaceae; Hemoglobins; Humans; Iron, Dietary; Kenya; Linear Models; Plant Leaves; Prevalence; Vegetables; Vitamin A; Vitamin A Deficiency | 2013 |
Plasma non-enzymatic antioxidants-vitamin C, E, beta-carotenes, reduced glutathione levels and total antioxidant activity in oral sub mucous fibrosis.
Topics: Adult; Antioxidants; Areca; beta Carotene; Biomarkers; Case-Control Studies; Disease Progression; Down-Regulation; Female; Glutathione; Humans; India; Male; Mastication; Mouth Neoplasms; Nuts; Oral Submucous Fibrosis; Oxidative Stress; Precancerous Conditions; Vitamin A; Vitamin E; Young Adult | 2012 |
Development of bioelectrical impedance analysis-based equations for estimation of body composition in postpartum rural Bangladeshi women.
Topics: Adult; Anthropometry; Bangladesh; beta Carotene; Body Composition; Body Height; Body Water; Body Weight; Dietary Supplements; Electric Impedance; Female; Humans; Postpartum Period; Randomized Controlled Trials as Topic; Rural Population; Vitamin A; Young Adult | 2013 |
Iron and vitamin status biomarkers and its association with physical fitness in adolescents: the HELENA study.
Topics: Adolescent; Age Factors; Analysis of Variance; Ascorbic Acid; beta Carotene; Biomarkers; Cross-Sectional Studies; Europe; Exercise Test; Female; Hemoglobins; Humans; Iron; Linear Models; Male; Nutritional Status; Physical Fitness; Vitamin A; Vitamin D; Vitamins | 2012 |
[Hungarian Diet and Nutritional Status Survey -- the OTAP2009 study. III. Vitamin intake of the Hungarian population].
Topics: Adult; Age Distribution; Aged; Ascorbic Acid; beta Carotene; Dairy Products; Diet Records; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Eating; Edible Grain; Eggs; Feeding Behavior; Female; Folic Acid; Fruit; Humans; Hungary; Male; Meat; Middle Aged; Nutrition Surveys; Nutritional Status; Sex Distribution; Vegetables; Vitamin A; Vitamin B Complex; Vitamin D; Vitamin E; Vitamins | 2012 |
Retinol assessment among women and children in sahelian mobile pastoralists.
Topics: Adult; Analysis of Variance; Animals; Anthropometry; beta Carotene; Chad; Child; Cross-Sectional Studies; Developing Countries; Female; Health Status; Humans; Life Style; Male; Milk; Milk, Human; Risk Factors; Rural Population; Sedentary Behavior; Transients and Migrants; Vitamin A; Vitamin A Deficiency | 2012 |
Serum 25-hydroxyvitamin D, vitamin A, and lung cancer mortality in the US population: a potential nutrient-nutrient interaction.
Topics: Adult; beta Carotene; Dietary Supplements; Female; Follow-Up Studies; Food-Drug Interactions; Humans; Lung Neoplasms; Male; Middle Aged; Nutrition Surveys; Proportional Hazards Models; Risk Factors; United States; Vitamin A; Vitamin D | 2012 |
Nimodipine can diminish oxidative stress in patients with severe head trauma.
Topics: Adolescent; Adult; Antioxidants; Ascorbic Acid; beta Carotene; Calcium Channel Blockers; Child; Craniocerebral Trauma; Female; Glutathione; Humans; Injections, Intravenous; Lipid Peroxidation; Male; Malondialdehyde; Middle Aged; Nimodipine; Nitrates; Nitrites; Oxidative Stress; Trauma Severity Indices; Vitamin A; Young Adult | 2012 |
Fat-soluble vitamin (A, D, E, and β-carotene) contents from a Portuguese autochthonous cow breed--Minhota.
Topics: alpha-Tocopherol; Animals; beta Carotene; Breeding; Cattle; Chromatography, High Pressure Liquid; Diterpenes; Female; Milk; Portugal; Retinyl Esters; Seasons; Species Specificity; Vitamin A; Vitamin D; Vitamin E | 2012 |
Serum levels of alpha-tocopherol, vitamin C, beta-carotene, and retinol in malignant pleural mesothelioma.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Female; Humans; Male; Mesothelioma; Middle Aged; Pleural Neoplasms; Risk; Vitamin A | 2012 |
[Serum retinol and carotenoid of rural infants and young children in Linyi of Shangdong Province and analysis on their related influencing dietary factors].
Topics: beta Carotene; Breast Feeding; Carotenoids; Child; China; Cryptoxanthins; Diet; Female; Fruit; Humans; Infant; Infant Welfare; Milk, Human; Rural Population; Vegetables; Vitamin A; Vitamin A Deficiency | 2012 |
Assessment of nutritional status: vitamin A and zinc in patients with common variable immunodeficiency.
Topics: Adolescent; Adult; beta Carotene; C-Reactive Protein; Common Variable Immunodeficiency; Erythrocytes; Female; Humans; Lipopolysaccharide Receptors; Male; Nutritional Status; Vitamin A; Young Adult; Zinc | 2012 |
β-Carotene 15,15'-monooxygenase 1 single nucleotide polymorphisms in relation to plasma carotenoid and retinol concentrations in women of European descent.
Topics: Adult; Artificial Intelligence; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Biomarkers; Carotenoids; Case-Control Studies; Cohort Studies; Female; Genetic Markers; Genome-Wide Association Study; Humans; Lutein; Middle Aged; Polymorphism, Single Nucleotide; United States; Vitamin A; White People; Xanthophylls; Zeaxanthins | 2012 |
Method validation and simultaneous determination of retinol, retinyl palmitate, β-carotene, α-tocopherol and vitamin C in rat serum treated with 7,12 dimethylbenz[a]anthracene and Plantago major L. by high- performance liquid chromatography using diode-ar
Topics: 9,10-Dimethyl-1,2-benzanthracene; alpha-Tocopherol; Animals; Ascorbic Acid; beta Carotene; Carcinogens; Chromatography, High Pressure Liquid; Diterpenes; Plant Extracts; Plantago; Rats; Rats, Wistar; Retinyl Esters; Sensitivity and Specificity; Vitamin A | 2013 |
Assessment of polyphenols, beta-carotene, and vitamin C intake with daily diets by primary school children.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Child; Diet; Diet Records; Female; Humans; Male; Mental Recall; Micronutrients; Nutrition Assessment; Nutrition Policy; Nutritional Requirements; Poland; Polyphenols; Vitamin A | 2013 |
Quantification of β-carotene, retinol, retinyl acetate and retinyl palmitate in enriched fruit juices using dispersive liquid-liquid microextraction coupled to liquid chromatography with fluorescence detection and atmospheric pressure chemical ionization-
Topics: beta Carotene; Beverages; Chromatography, High Pressure Liquid; Diterpenes; Fruit; Least-Squares Analysis; Liquid Phase Microextraction; Mass Spectrometry; Reproducibility of Results; Retinyl Esters; Sensitivity and Specificity; Spectrometry, Fluorescence; Vitamin A | 2013 |
Optic neuropathy among a prison population in Papua New Guinea.
Topics: Adult; alpha-Tocopherol; beta Carotene; Cross-Sectional Studies; Female; Folic Acid; Folic Acid Deficiency; Humans; Lutein; Male; Optic Nerve Diseases; Papua New Guinea; Prevalence; Prisoners; Risk Factors; Selenium; Surveys and Questionnaires; Vision Disorders; Vitamin A; Vitamin B 12 | 2013 |
Serum and dietary antioxidant status is associated with lower prevalence of the metabolic syndrome in a study in Shanghai, China.
Topics: Adolescent; Adult; Aged; Antioxidants; Ascorbic Acid; beta Carotene; Blood Glucose; Blood Pressure; Body Mass Index; Carotenoids; Case-Control Studies; China; Cross-Sectional Studies; Dietary Carbohydrates; Energy Intake; Female; Glutathione Peroxidase; Humans; Linear Models; Logistic Models; Lycopene; Male; Malondialdehyde; Metabolic Syndrome; Middle Aged; Multivariate Analysis; Nutrition Assessment; Nutritional Status; Oxidative Stress; Prevalence; Superoxide Dismutase; Vitamin A; Vitamin E; Waist Circumference; Young Adult; Zinc | 2013 |
The myth of antioxidants.
Topics: Aging; Animals; Animals, Genetically Modified; Antioxidants; beta Carotene; Caenorhabditis elegans; Dietary Supplements; Female; Free Radicals; Humans; Longevity; Male; Oxidative Stress; Vitamin A; Vitamins | 2013 |
Capparis ovata modulates brain oxidative toxicity and epileptic seizures in pentylentetrazol-induced epileptic rats.
Topics: Animals; Antioxidants; beta Carotene; Brain; Capparis; Cerebral Cortex; Electroencephalography; Epilepsy; Female; Glutathione Peroxidase; Lipid Peroxidation; Pentylenetetrazole; Plant Extracts; Rats; Rats, Wistar; Vitamin A; Vitamin E | 2013 |
Selenium and topiramate attenuates blood oxidative toxicity in patients with epilepsy: a clinical pilot study.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Epilepsy; Female; Fructose; Glutathione; Glutathione Peroxidase; Humans; Lipid Peroxidation; Male; Oxidative Stress; Pilot Projects; Selenium; Topiramate; Vitamin A; Vitamin E; Young Adult | 2013 |
Genetics and diet regulate vitamin A production via the homeobox transcription factor ISX.
Topics: Animal Feed; Animals; beta Carotene; Caco-2 Cells; Chromatography, High Pressure Liquid; Cloning, Molecular; Diet; DNA; DNA, Complementary; Female; Gene Expression Regulation; Heterozygote; Homeodomain Proteins; Homeostasis; Humans; Lipids; Male; Mice; Mice, Inbred C57BL; Models, Genetic; Polymorphism, Single Nucleotide; Promoter Regions, Genetic; Protein Binding; Transcription Factors; Tretinoin; Vitamin A | 2013 |
Impact of different protocols of nutritional supplements on the status of vitamin A in class III obese patients after Roux-en-Y gastric bypass.
Topics: Adult; beta Carotene; Body Mass Index; Brazil; Dietary Supplements; Female; Gastric Bypass; Humans; Longitudinal Studies; Male; Middle Aged; Night Blindness; Nutritional Status; Obesity, Morbid; Postoperative Period; Prevalence; Prospective Studies; Treatment Outcome; Vitamin A; Vitamin A Deficiency; Vitamins; Waist Circumference | 2013 |
Strong and weak plasma response to dietary carotenoids identified by cluster analysis and linked to beta-carotene 15,15'-monooxygenase 1 single nucleotide polymorphisms.
Topics: Adult; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Beverages; Biological Availability; Carotenoids; Citrullus; Cluster Analysis; Cross-Over Studies; Diet; Dioxygenases; Female; Humans; Lutein; Lycopene; Male; Polymorphism, Single Nucleotide; Solanum lycopersicum; Vitamin A; Young Adult | 2013 |
Interactions of β-lactoglobulin variants A and B with Vitamin A. Competitive binding of retinoids and carotenoids.
Topics: beta Carotene; Binding Sites; Binding, Competitive; Carotenoids; Cryptoxanthins; Hydrophobic and Hydrophilic Interactions; Lactoglobulins; Ligands; Milk Proteins; Palmitic Acid; Protein Structure, Secondary; Spectrometry, Fluorescence; Vitamin A; Whey Proteins; Xanthophylls | 2013 |
Carotenoids, vitamins (A, B2, C and E) and total folate of traditional foods from Black Sea Area countries.
Topics: alpha-Tocopherol; Ascorbic Acid; beta Carotene; Black Sea; Bulgaria; Carotenoids; Chromatography, High Pressure Liquid; Culture; Folic Acid; Food Analysis; Georgia (Republic); Humans; Nutritive Value; Riboflavin; Romania; Russia; Turkey; Ukraine; Vitamin A; Vitamins | 2013 |
Changes in the concentrations of biochemical indicators of diet and nutritional status of pregnant women across pregnancy trimesters in Trujillo, Peru, 2004-2005.
Topics: Adult; beta Carotene; Carotenoids; Cryptoxanthins; Developing Countries; Diet; Female; Fetal Blood; Humans; Iron, Dietary; Linear Models; Lutein; Lycopene; Micronutrients; Nutrition Surveys; Nutritional Status; Peru; Pregnancy; Pregnancy Trimesters; Selenium; Socioeconomic Factors; Surveys and Questionnaires; Vitamin A; Xanthophylls; Young Adult; Zeaxanthins | 2013 |
Dietary intake of antioxidant vitamins in healthy adults in relation to current recommended intake.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Dietary Fats; Eating; Eggs; Feeding Behavior; Female; Humans; Male; Meat; Nutrition Policy; Nutritional Requirements; Poland; Reference Values; Vegetables; Vitamin A; Vitamin E; Vitamins; Young Adult | 2013 |
[Vitamin A, vitamin E and beta-carotene nutritional status and antioxidase level analysis among tuberculosis patients].
Topics: Adult; Aged; Aged, 80 and over; Antioxidants; beta Carotene; Body Mass Index; Case-Control Studies; Catalase; Female; Humans; Male; Middle Aged; Nutritional Status; Sampling Studies; Superoxide Dismutase; Tuberculosis, Pulmonary; Vitamin A; Vitamin E; Young Adult | 2013 |
Effects of dietary guidance on the symptoms, quality of life and habitual dietary intake of patients with irritable bowel syndrome.
Topics: Adolescent; Adult; Aged; beta Carotene; Diet; Female; Humans; Irritable Bowel Syndrome; Male; Middle Aged; Patient Education as Topic; Quality of Life; Riboflavin; Severity of Illness Index; Surveys and Questionnaires; Vitamin A; Vitamin B 12; Young Adult | 2013 |
Exogenous and endogenous antioxidants attenuate the lipid peroxidation in workers occupationally exposed to paints.
Topics: Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Lipid Peroxidation; Lycopene; Male; Malondialdehyde; Occupational Exposure; Paint; Regression Analysis; Solvents; Toluene; Vitamin A | 2014 |
Oxidant and antioxidant status in children with subacute sclerosing panencephalitis.
Topics: Adolescent; alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Child; Child, Preschool; Erythrocytes; Female; Glutathione; Humans; Male; Malondialdehyde; Oxidants; Severity of Illness Index; Subacute Sclerosing Panencephalitis; Vitamin A | 2014 |
Serum antioxidant nutrients, vitamin A, and mortality in U.S. Adults.
Topics: Adult; Ascorbic Acid; beta Carotene; Cardiovascular Diseases; Female; Follow-Up Studies; Humans; Male; Neoplasms; Nutrition Surveys; Selenium; United States; Vitamin A; Young Adult | 2013 |
Alterations in the antioxidant defense system in prepubertal children with a history of extrauterine growth restriction.
Topics: alpha-Tocopherol; Antioxidants; beta Carotene; Biomarkers; Birth Weight; Case-Control Studies; Catalase; Child; Child, Preschool; Erythrocytes; Female; Gestational Age; Glutathione Peroxidase; Glutathione Reductase; Growth Disorders; Humans; Infant, Newborn; Infant, Premature; Male; Nutritional Status; Oxidative Stress; Superoxide Dismutase; Vitamin A | 2014 |
Blood and milk oxidative status after administration of different antioxidants during early postpartum in dairy cows.
Topics: alpha-Tocopherol; Animals; Antioxidants; beta Carotene; Carnitine; Cattle; Female; Lipid Peroxides; Methionine; Milk; Oxidative Stress; Postpartum Period; Reactive Oxygen Species; Vitamin A; Vitamin B 12; Vitamin E | 2013 |
Crocins with high levels of sugar conjugation contribute to the yellow colours of early-spring flowering crocus tepals.
Topics: beta Carotene; Carotenoids; Color; Crocus; Flowers; Gene Expression; Geranylgeranyl-Diphosphate Geranylgeranyltransferase; Glucose; Glucosyltransferases; Phylogeny; Plant Proteins; Rhamnose; Spectrometry, Mass, Electrospray Ionization; Spices; Tandem Mass Spectrometry; Vitamin A | 2013 |
Modulation of oxidative stress, apoptosis, and calcium entry in leukocytes of patients with multiple sclerosis by Hypericum perforatum.
Topics: Adult; Apoptosis; Ascorbic Acid; beta Carotene; Calcium; Calcium Channel Blockers; Case-Control Studies; Cells, Cultured; Diltiazem; Female; Glutathione; Glutathione Peroxidase; Humans; Hypericum; Lipid Peroxidation; Male; Middle Aged; Multiple Sclerosis; Neutrophils; Oxidative Stress; Plant Extracts; Verapamil; Vitamin A; Vitamin E; Young Adult | 2014 |
Two carotenoid oxygenases contribute to mammalian provitamin A metabolism.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Cryptoxanthins; Dioxygenases; Hep G2 Cells; Humans; Mice; Mice, Knockout; Vitamin A; Vitamin A Deficiency; Xanthophylls | 2013 |
Oxidative stress, dietary antioxidant supplements, and health: is the glass half full or half empty?
Topics: Ascorbic Acid; beta Carotene; Cardiovascular Diseases; Female; Humans; Male; Neoplasms; Selenium; Vitamin A | 2013 |
Dietary factors associated with subclinical inflammation among girls.
Topics: Adiponectin; Adolescent; Ascorbic Acid; beta Carotene; Biomarkers; Body Height; Body Mass Index; C-Reactive Protein; Child; Diet; Fatty Acids; Female; Humans; Inflammation; Interleukin-6; Leptin; Linoleic Acid; Manganese; Oleic Acid; Plasminogen Activator Inhibitor 1; Selenium; Tumor Necrosis Factor-alpha; Vitamin A; Vitamin E; Waist Circumference | 2013 |
An LC/MS/MS method for stable isotope dilution studies of β-carotene bioavailability, bioconversion, and vitamin A status in humans.
Topics: Adolescent; Adult; beta Carotene; Biological Availability; Biotransformation; Chromatography, Liquid; Female; Humans; Isotopes; Male; Middle Aged; Tandem Mass Spectrometry; Time Factors; Vitamin A; Young Adult | 2014 |
Complement c3 is inversely associated with habitual intake of provitamin A but not with dietary fat, fatty acids, or vitamin E in middle-aged to older white adults and positively associated with intake of retinol in middle-aged to older white women.
Topics: Aged; Alcohol Drinking; beta Carotene; Body Mass Index; Carotenoids; Cohort Studies; Complement C3; Cross-Sectional Studies; Dietary Fats; Energy Intake; Fatty Acids; Feeding Behavior; Female; Humans; Male; Middle Aged; Nutrition Assessment; Obesity; Prospective Studies; Risk Factors; Smoking; Surveys and Questionnaires; Vitamin A; Vitamin E; Waist Circumference; White People | 2014 |
Associations between concentrations of uric acid with concentrations of vitamin A and beta-carotene among adults in the United States.
Topics: Adult; beta Carotene; Cross-Sectional Studies; Dietary Supplements; Female; Humans; Hyperuricemia; Male; Middle Aged; Nutrition Surveys; Prevalence; United States; Uric Acid; Vitamin A | 2013 |
Effects of all-trans retinoic acid, retinol, and β-carotene on murine macrophage activity.
Topics: Animals; beta Carotene; Cell Line; Macrophages; Matrix Metalloproteinase 9; Mice; Phagocytosis; Receptors, Retinoic Acid; Retinoic Acid Receptor alpha; Tretinoin; Vitamin A | 2014 |
Retinol, beta-carotene, oxidative stress, and metabolic syndrome components in obese asthmatic children.
Topics: Adolescent; Asthma; beta Carotene; Child; Female; Humans; Male; Metabolic Syndrome; Obesity; Oxidative Stress; Vitamin A | 2014 |
Extracellular micronutrient levels and pro-/antioxidant status in trauma patients with wound healing disorders: results of a cross-sectional study.
Topics: Adult; Aged; Aged, 80 and over; alpha-Tocopherol; Anthropometry; Antioxidants; Ascorbic Acid; beta Carotene; Biomarkers; C-Reactive Protein; Calcifediol; Cross-Sectional Studies; Female; Humans; Male; Malnutrition; Malondialdehyde; Micronutrients; Middle Aged; Nutritional Status; Oxidative Stress; Selenium; Vitamin A; Wound Healing; Wounds and Injuries; Zinc | 2013 |
Race differences in the relation of vitamins A, C, E, and β-carotene to metabolic and inflammatory biomarkers.
Topics: Adiposity; Adolescent; Adult; Aged; Ascorbic Acid; beta Carotene; Biomarkers; Black or African American; Blood Glucose; C-Reactive Protein; Female; Humans; Inflammation; Insulin; Insulin Resistance; Leukocyte Count; Male; Metabolic Diseases; Middle Aged; Racial Groups; Risk Factors; Vitamin A; Vitamin E; Vitamins; White People | 2014 |
Eating for good vision. Add these nutrients to your diet to preserve and protect your eyesight.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Fatty Acids, Omega-3; Food; Fruit; Health Behavior; Health Education; Humans; Trace Elements; Vegetables; Vision Disorders; Visual Acuity; Vitamin A; Vitamin E; Vitamins; Zinc | 2013 |
Status of vitamins E and A and β-carotene and health in organic dairy cows fed a diet without synthetic vitamins.
Topics: Animal Feed; Animals; beta Carotene; Cattle; Dairying; Diet; Dietary Supplements; Female; Lactation; Organic Agriculture; Random Allocation; Vitamin A; Vitamin E | 2014 |
Vitamin A and beta-carotene concentrations in adults with HIV/AIDS on highly active antiretroviral therapy.
Topics: Acquired Immunodeficiency Syndrome; Adult; Antiretroviral Therapy, Highly Active; beta Carotene; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Female; Humans; Lipids; Male; Middle Aged; Vitamin A; Young Adult | 2013 |
The relationship between serum vitamin A and breast cancer staging before and after radiotherapy.
Topics: Aged; beta Carotene; Breast Neoplasms; Female; Humans; Middle Aged; Neoplasm Staging; Nutritional Status; Oxidative Stress; Prospective Studies; Radiotherapy; Vitamin A; Vitamin A Deficiency | 2014 |
Estimation of vitamin A potency in the rat from the threshold dose of storage; a comparison of all-trans-beta carotene and vitamin A acetate.
Topics: Animals; beta Carotene; Diterpenes; Rats; Retinyl Esters; Vitamin A | 1950 |
[Vitamin A and beta-carotene determination in blood plasma].
Topics: beta Carotene; Carotenoids; Humans; Plasma; Vitamin A | 1950 |
β-carotene-producing bacteria residing in the intestine provide vitamin A to mouse tissues in vivo.
Topics: Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Erwinia; Escherichia coli; Feces; Female; Geranylgeranyl-Diphosphate Geranylgeranyltransferase; Intestinal Mucosa; Intestines; Intramolecular Lyases; Mice; Mice, 129 Strain; Mice, Inbred C57BL; Mice, Knockout; Oxidoreductases; Probiotics; Vitamin A; Vitamin A Deficiency | 2014 |
Associations between posterior functional contacts and nutrient intakes and serum nutrient values among adults in NHANES 2003-2004.
Topics: Adult; alpha-Tocopherol; Ascorbic Acid; beta Carotene; Dentition; Dietary Fiber; Dietary Supplements; Eating; Educational Status; Energy Intake; Female; Folic Acid; Humans; Male; Middle Aged; Nutrition Surveys; Nutritional Status; Smoking; United States; Vitamin A; Vitamin B 6; Vitamin E; Vitamins | 2014 |
Effect of maternal Chlorella supplementation on carotenoid concentration in breast milk at early lactation.
Topics: Adult; beta Carotene; Carotenoids; Chlorella; Diet; Dietary Supplements; Female; Humans; Lactation; Lutein; Maternal Nutritional Physiological Phenomena; Milk, Human; Pregnancy; Vitamin A; Zeaxanthins | 2014 |
Enrichment of provitamin A content in wheat (Triticum aestivum L.) by introduction of the bacterial carotenoid biosynthetic genes CrtB and CrtI.
Topics: Bacterial Proteins; beta Carotene; Biosynthetic Pathways; Carotenoids; Cryptoxanthins; Erwinia; Plants, Genetically Modified; Seeds; Triticum; Vitamin A | 2014 |
Relative vitamin A values of 9-cis- and 13-cis-β-carotene do not differ when fed at physiological levels during vitamin A depletion in Mongolian gerbils (Meriones unguiculatus).
Topics: Animals; beta Carotene; Biotransformation; Chromatography, High Pressure Liquid; Dietary Supplements; Disease Models, Animal; Diterpenes; Gerbillinae; Liver; Male; Molecular Structure; Retinyl Esters; Stereoisomerism; Vitamin A; Vitamin A Deficiency | 2014 |
Hesperidin increases intestinal β,β-carotene 15-15' mono-oxygenase 1 (BCMO1) activity in Mongolian gerbils (Meriones unguiculatus) fed with β-carotene-free diet.
Topics: Animal Feed; Animals; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Carotenoids; Dietary Supplements; Gene Expression Regulation; Gerbillinae; Hesperidin; Intestines; Ipomoea batatas; Liver; Male; Oxygenases; Retinoids; Vitamin A | 2014 |
Effect of UV-C radiation on bioactive compounds of pineapple (Ananas comosus L. Merr.) by-products.
Topics: Ananas; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Food Handling; Food Irradiation; Fruit; Lutein; Ultraviolet Rays; Vitamin A; Vitamin E | 2015 |
β-lactoglobulin as a vector for β-carotene food fortification.
Topics: Animals; beta Carotene; Caco-2 Cells; Cattle; Drug Carriers; Emulsions; Food, Fortified; Humans; Lactoglobulins; Male; Mice; Mice, Inbred C57BL; Vitamin A; Vitamin A Deficiency | 2014 |
Evaluation of vitamins A, C and E content in diets of adolescents living in Warsaw, Poland.
Topics: Adolescent; Adolescent Nutritional Physiological Phenomena; Antioxidants; Ascorbic Acid; Avitaminosis; beta Carotene; Female; Fruit; Humans; Male; Nutritional Status; Poland; Recommended Dietary Allowances; Vegetables; Vitamin A; Vitamin E | 2014 |
Comparative research for the dietary pattern of patients with esophageal cancer at different developing stages and the daily intake of vitamin A, E and β-carotene.
Topics: Animals; beta Carotene; Diet; Esophageal Neoplasms; Humans; Male; Neoplasm Staging; Rats; Rats, Sprague-Dawley; Vitamin A; Vitamin E | 2014 |
Plasma carotenoids and retinol and overall and breast cancer risk: a nested case-control study.
Topics: Adult; beta Carotene; Body Mass Index; Breast Neoplasms; Carotenoids; Case-Control Studies; Chromatography, High Pressure Liquid; Colorectal Neoplasms; Cryptoxanthins; Female; Follow-Up Studies; Head and Neck Neoplasms; Humans; Logistic Models; Lung Neoplasms; Lycopene; Male; Middle Aged; Prospective Studies; Prostatic Neoplasms; Randomized Controlled Trials as Topic; Risk Factors; Vitamin A | 2014 |
Supplemental β-carotene I: effect on plasma vitamin A, growth, performance, and carcass characteristics of feedlot cattle.
Topics: Animal Feed; Animals; beta Carotene; Cattle; Diet; Dietary Supplements; Female; Male; Meat; Vitamin A | 2014 |
β-Carotene during the suckling period is absorbed intact and induces retinoic acid dependent responses similar to preformed vitamin A in intestine and liver, but not adipose tissue of young rats.
Topics: Adiponectin; Adipose Tissue, White; Administration, Oral; Animals; beta Carotene; Blood Glucose; Cell Proliferation; Diterpenes; Female; Insulin; Intestinal Mucosa; Intestines; Leptin; Liver; Male; PPAR gamma; Rats; Rats, Wistar; Retinyl Esters; Tretinoin; Vitamin A | 2014 |
Validity of the Australian Recommended Food Score as a diet quality index for Pre-schoolers.
Topics: Ascorbic Acid; beta Carotene; Child Nutritional Physiological Phenomena; Child, Preschool; Cross-Sectional Studies; Diet; Diet Surveys; Dietary Proteins; Energy Intake; Feeding Behavior; Female; Food Quality; Food, Organic; Fruit; Humans; Linear Models; Male; Micronutrients; New South Wales; Nutrition Assessment; Randomized Controlled Trials as Topic; Recommended Dietary Allowances; Socioeconomic Factors; Surveys and Questionnaires; Vegetables; Vitamin A | 2014 |
Associations between the dietary intake of antioxidant nutrients and the risk of hip fracture in elderly Chinese: a case-control study.
Topics: Aged; Antioxidants; Ascorbic Acid; Asian People; beta Carotene; Case-Control Studies; China; Female; Hip Fractures; Humans; Middle Aged; Odds Ratio; Osteoporosis; Oxidative Stress; Risk; Risk Factors; Selenium; Trace Elements; Vitamin A; Vitamin E; Vitamins; Zinc | 2014 |
Phenolic compounds and vitamins in wild and cultivated apricot (Prunus armeniaca L.) fruits grown in irrigated and dry farming conditions.
Topics: Agricultural Irrigation; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Crops, Agricultural; Fruit; Lycopene; Phenols; Prunus; Turkey; Vitamin A; Vitamin E; Vitamins | 2014 |
Association of serum α-tocopherol, β-carotene, and retinol with liver cancer incidence and chronic liver disease mortality.
Topics: Aged; alpha-Tocopherol; beta Carotene; Chronic Disease; Humans; Incidence; Liver Diseases; Liver Neoplasms; Male; Middle Aged; Vitamin A | 2014 |
Nutrients intake is associated with DNA methylation of candidate inflammatory genes in a population of obese subjects.
Topics: Adult; Aged; beta Carotene; Body Mass Index; Carotenoids; Cholesterol; Cholesterol, HDL; DNA Methylation; Eating; Endothelin-1; Energy Intake; Female; Folic Acid; Gene Products, env; Humans; Inflammation; Lipopolysaccharide Receptors; Lipoproteins, LDL; Male; Middle Aged; Nitric Oxide Synthase Type II; Nutritional Status; Obesity; Overweight; Pregnancy Proteins; Triglycerides; Tumor Necrosis Factor-alpha; Vitamin A | 2014 |
Riboflavin and vitamin E increase brain calcium and antioxidants, and microsomal calcium-ATP-ase values in rat headache models induced by glyceryl trinitrate.
Topics: Animals; Antioxidants; Ascorbic Acid; beta Carotene; Brain; Calcium; Calcium-Transporting ATPases; Disease Models, Animal; Enzyme Activation; Female; Glutathione; Glutathione Peroxidase; Headache; Lipid Peroxidation; Microsomes; Nitroglycerin; Oxidative Stress; Rats; Riboflavin; Vitamin A; Vitamin E | 2015 |
Supplementation of adult rats with moderate amounts of β-carotene modulates the redox status in plasma without exerting pro-oxidant effects in the brain: a safer alternative to food fortification with vitamin A?
Topics: Animals; Antioxidants; beta Carotene; Biomarkers; Brain; Catalase; Dietary Supplements; Male; Oxidation-Reduction; Oxidative Stress; Rats, Wistar; Risk Assessment; Risk Factors; Sulfhydryl Compounds; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Time Factors; Vitamin A | 2014 |
Relationships between immunoglobulin and fat-soluble vitamins in colostrum of Japanese Black multiparous cows.
Topics: Aging; alpha-Tocopherol; Animals; beta Carotene; Cattle; Colostrum; Female; Immunoglobulin A; Immunoglobulin G; Japan; Solubility; Vitamin A | 2015 |
Vitamin A value of plant food provitamin A - evaluated by the stable isotope technologies.
Topics: beta Carotene; Deuterium; Humans; Isotope Labeling; Nutritional Status; Vitamin A | 2014 |
Comparison of content and in vitro bioaccessibility of provitamin A carotenoids in home cooked and commercially processed orange fleshed sweet potato (Ipomea batatas Lam).
Topics: beta Carotene; Biological Availability; Caco-2 Cells; Cell Line; Cooking; Hot Temperature; Humans; In Vitro Techniques; Ipomoea batatas; Plant Roots; Vitamin A | 2015 |
Vitamin A-deficient diet accelerated atherogenesis in apolipoprotein E(-/-) mice and dietary β-carotene prevents this consequence.
Topics: Animals; Apolipoproteins E; Atherosclerosis; beta Carotene; Body Weight; Cholesterol; Dietary Supplements; Gene Expression Regulation; Insulin Resistance; Liver; Male; Mice, Inbred C57BL; Vitamin A; Vitamin A Deficiency | 2015 |
Gardening practices in a rural village in South Africa 10 years after completion of a home garden project.
Topics: beta Carotene; Cross-Sectional Studies; Diet; Family Characteristics; Female; Focus Groups; Fruit; Gardening; Humans; Male; Rural Population; South Africa; Surveys and Questionnaires; Vegetables; Vitamin A | 2015 |
The lycopene β-cyclase plays a significant role in provitamin A biosynthesis in wheat endosperm.
Topics: Amino Acid Sequence; beta Carotene; Cloning, Molecular; Down-Regulation; Escherichia coli; Genes, Plant; Intramolecular Lyases; Molecular Sequence Data; Plants, Genetically Modified; Sequence Homology, Amino Acid; Triticum; Vitamin A | 2015 |
Influence of Roux-en-Y Gastric Bypass on the Nutritional Status of Vitamin A in Pregnant Women: a Comparative Study.
Topics: Adult; beta Carotene; Body Mass Index; Cross-Sectional Studies; Female; Gastric Bypass; Humans; Night Blindness; Nutritional Status; Obesity, Morbid; Pregnancy; Pregnancy Complications; Vitamin A; Vitamin A Deficiency | 2016 |
High Preformed Vitamin A Intake during Pregnancy Prevents Embryonic Accumulation of Intact β-Carotene from the Maternal Circulation in Mice.
Topics: Animals; beta Carotene; Dietary Supplements; Embryo, Mammalian; Embryonic Development; Female; Gene Expression Regulation; Liver; Maternal Nutritional Physiological Phenomena; Maternal-Fetal Exchange; Mice; Mice, Inbred C57BL; Placenta; Pregnancy; RNA, Messenger; Vitamin A | 2015 |
Longitudinal association of measures of adiposity with serum antioxidant concentrations in postmenopausal women.
Topics: Adipose Tissue; Adiposity; Aged; Antioxidants; beta Carotene; Body Mass Index; Female; gamma-Tocopherol; Humans; Longitudinal Studies; Metabolic Syndrome; Middle Aged; Nutritional Status; Obesity; Obesity, Abdominal; Postmenopause; Prospective Studies; Risk Factors; Smoking; Vitamin A; Waist Circumference; Waist-Hip Ratio | 2016 |
Association of dietary consumption and serum levels of vitamin A and β-carotene with bone mineral density in Chinese adults.
Topics: Absorptiometry, Photon; Adult; Aged; Asian People; beta Carotene; Bone Density; Chromatography, High Pressure Liquid; Diet; Diet Surveys; Female; Humans; Male; Middle Aged; Vitamin A | 2015 |
Association of oxidative stress biomarkers with adiposity and clinical staging in women with breast cancer.
Topics: Adipose Tissue; Adiposity; Adult; alpha-Tocopherol; Antioxidants; beta Carotene; Biomarkers; Body Mass Index; Breast Neoplasms; Diet; DNA Damage; Female; Humans; Lymph Nodes; Neoplasm Staging; Nutritional Status; Obesity; Oxidative Stress; Postmenopause; Thiobarbituric Acid Reactive Substances; Vitamin A; Waist Circumference | 2015 |
Relative Validity of a Diet History Questionnaire Against a Four-Day Weighed Food Record among Older Men in Australia: The Concord Health and Ageing in Men Project (CHAMP).
Topics: Aged; Aged, 80 and over; Aging; Australia; beta Carotene; Diet; Diet Records; Diet Surveys; Energy Intake; Ethanol; Health Surveys; Humans; Iron; Magnesium; Male; New South Wales; Phosphorus; Reference Standards; Reproducibility of Results; Thiamine; Time Factors; Vitamin A; Zinc | 2015 |
Vitamin Intake from Food Supplements in a German Cohort - Is there a Risk of Excessive Intake?
Topics: Adolescent; Adult; Aged; Aged, 80 and over; beta Carotene; Diet; Dietary Supplements; Female; Folic Acid; Germany; Humans; Male; Middle Aged; Nutrition Surveys; Recommended Dietary Allowances; Vitamin A; Vitamins | 2014 |
Influence of encapsulated functional lipids on crystal structure and chemical stability in solid lipid nanoparticles: Towards bioactive-based design of delivery systems.
Topics: Antioxidants; beta Carotene; Crystallization; Drug Delivery Systems; Drug Stability; Fatty Acids, Omega-3; Lecithins; Lipids; Nanoparticles; Phase Transition; Plant Extracts; Quillaja; Surface-Active Agents; Vitamin A | 2016 |
The Influence of Iron and Zinc Supplementation on the Bioavailability of Provitamin A Carotenoids from Papaya Following Consumption of a Vitamin A-Deficient Diet.
Topics: Adolescent; Adult; beta Carotene; Biological Availability; Cameroon; Carica; Carotenoids; Cryptoxanthins; Diet; Dietary Supplements; Healthy Volunteers; Humans; Iron; Male; Postprandial Period; Trace Elements; Vitamin A; Vitamin A Deficiency; Vitamins; Young Adult; Zinc; Zinc Sulfate | 2015 |
Relationship between Carotenoids, Retinol, and Estradiol Levels in Older Women.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Body Mass Index; C-Reactive Protein; Carotenoids; Cholesterol; Cross-Sectional Studies; Estradiol; Female; Humans; Insulin; Lutein; Lycopene; Middle Aged; Testosterone; Vitamin A; Young Adult; Zeaxanthins | 2015 |
Relationships between immunoglobulin M and immunoglobulin G or A in colostrum of Japanese black multiparous cows.
Topics: Aging; alpha-Tocopherol; Animals; beta Carotene; Cattle; Colostrum; Female; Immunoglobulin A; Immunoglobulin G; Immunoglobulin M; Vitamin A | 2016 |
Validation of the FSA nutrient profiling system dietary index in French adults-findings from SUVIMAX study.
Topics: Adult; Ascorbic Acid; beta Carotene; Biomarkers; Cholesterol, HDL; Cholesterol, LDL; Cross-Sectional Studies; Diet Records; Diet, Healthy; Energy Intake; Exercise; Female; Ferritins; Follow-Up Studies; France; Humans; Life Style; Logistic Models; Male; Micronutrients; Middle Aged; Multivariate Analysis; Nutrition Assessment; Nutrition Policy; Nutritional Status; Nutritive Value; Reproducibility of Results; Selenium; Socioeconomic Factors; Tocopherols; Transferrin; Triglycerides; Vitamin A; White People; Zinc | 2016 |
Assessment of dietary vitamin A intake (retinol, α-carotene, β-carotene, β-cryptoxanthin) and its sources in the National Survey of Dietary Intake in Spain (2009-2010).
Topics: Adolescent; Adult; beta Carotene; Carotenoids; Cross-Sectional Studies; Cryptoxanthins; Diet; Energy Intake; Feeding Behavior; Humans; Middle Aged; Nutrition Surveys; Spain; Vitamin A; Young Adult | 2015 |
Carotenoids, vitamin A, vitamin C, vitamin E, and folate and risk of self-reported hearing loss in women.
Topics: Adult; Ascorbic Acid; beta Carotene; Cohort Studies; Cryptoxanthins; Diet; Dietary Supplements; Female; Folic Acid; Follow-Up Studies; Food, Fortified; Hearing Loss; Humans; Nurses; Proportional Hazards Models; Prospective Studies; Risk Factors; Self Report; United States; Vitamin A; Vitamin E; Young Adult | 2015 |
Metabolic Engineering of Wheat Provitamin A by Simultaneously Overexpressing CrtB and Silencing Carotenoid Hydroxylase (TaHYD).
Topics: beta Carotene; Gene Silencing; Metabolic Engineering; Mixed Function Oxygenases; Plant Proteins; Plants, Genetically Modified; Triticum; Vitamin A | 2015 |
Modification of additive effect between vitamins and ETS on childhood asthma risk according to GSTP1 polymorphism: a cross -sectional study.
Topics: Ascorbic Acid; Asthma; beta Carotene; Child; Cross-Sectional Studies; Diet; Female; Gene-Environment Interaction; Genetic Predisposition to Disease; Glutathione S-Transferase pi; Humans; Male; Odds Ratio; Polymorphism, Genetic; Tobacco Smoke Pollution; Vitamin A; Vitamin E; Vitamins | 2015 |
β-carotene and retinol contents in the meat of herbivorous ungulates with a special reference to their public health importance.
Topics: Animals; beta Carotene; Cattle; Female; Food Contamination; Goats; Horses; Humans; Liver; Male; Meat; Muscle, Skeletal; Pregnancy; Public Health; Rats; Rats, Wistar; Sheep; Vitamin A | 2016 |
Serum Antioxidants Are Associated with Serum Reproductive Hormones and Ovulation among Healthy Women.
Topics: Adolescent; Adult; alpha-Tocopherol; Anovulation; Antioxidants; Ascorbic Acid; beta Carotene; Carotenoids; Energy Intake; F2-Isoprostanes; Female; Follicle Stimulating Hormone; gamma-Tocopherol; Humans; Linear Models; Lutein; Lycopene; Menstrual Cycle; Ovulation; Premenopause; Progesterone; Prospective Studies; Surveys and Questionnaires; Testosterone; Vitamin A; Young Adult | 2016 |
Relation between plasma antioxidant vitamin levels, adiposity and cardio-metabolic profile in adolescents: Effects of a multidisciplinary obesity programme.
Topics: Adiposity; Adolescent; alpha-Tocopherol; Anthropometry; Antioxidants; Apolipoproteins; beta Carotene; Cardiovascular Diseases; Carotenoids; Child; Cholesterol; Cohort Studies; Diet; Female; Follow-Up Studies; Humans; Lycopene; Male; Metabolic Syndrome; Nutrition Assessment; Overweight; Pediatric Obesity; Risk Factors; Triglycerides; Vitamin A; Vitamins | 2017 |
Determination of vitamin A and vitamin E esters in infant formulae and fortified milk powders by HPLC: Use of internal standardisation.
Topics: Animals; beta Carotene; Chromatography, High Pressure Liquid; Esters; Food Additives; Food Handling; Food, Fortified; Infant Formula; Milk; Powders; Vitamin A; Vitamin E | 2016 |
Bioaccessibility of provitamin A carotenoids from fruits: application of a standardised static in vitro digestion method.
Topics: beta Carotene; Beta-Cryptoxanthin; Carotenoids; Chromatography, High Pressure Liquid; Digestion; Fruit; Humans; Models, Biological; Vitamin A | 2016 |
A New Method to Simultaneously Quantify the Antioxidants: Carotenes, Xanthophylls, and Vitamin A in Human Plasma.
Topics: Antioxidants; beta Carotene; Carotenoids; Chromatography, High Pressure Liquid; Humans; Limit of Detection; Lycopene; Vitamin A; Xanthophylls | 2015 |
Plasma carotenoids, vitamin C, tocopherols, and retinol and the risk of breast cancer in the European Prospective Investigation into Cancer and Nutrition cohort.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Breast Neoplasms; Carotenoids; Case-Control Studies; Cohort Studies; Diet; Europe; Female; Follow-Up Studies; Humans; Middle Aged; Neoplasm Proteins; Postmenopause; Premenopause; Prospective Studies; Receptors, Estrogen; Risk; Tocopherols; Vitamin A | 2016 |
Vitamin A status and its relationship with serum zinc concentrations among pregnant women who have previously undergone Roux-en-Y gastric bypass.
Topics: Adult; Anthropometry; beta Carotene; Birth Weight; Brazil; Female; Gastric Bypass; Humans; Infant, Newborn; Longitudinal Studies; Night Blindness; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Pregnancy Trimesters; Prospective Studies; Vitamin A; Vitamin A Deficiency; Zinc | 2016 |
High serum carotenoids are associated with lower risk for developing elevated serum alanine aminotransferase among Japanese subjects: the Mikkabi cohort study.
Topics: Adult; Aged; Alanine Transaminase; Antioxidants; beta Carotene; Beta-Cryptoxanthin; Carotenoids; Cohort Studies; Female; Humans; Japan; Liver Diseases; Longitudinal Studies; Lycopene; Male; Middle Aged; Non-alcoholic Fatty Liver Disease; Prospective Studies; Risk Factors; Vitamin A | 2016 |
Retinoid and carotenoid status in serum and liver among patients at high-risk for liver cancer.
Topics: Actins; Adult; beta Carotene; Biomarkers; Biopsy; Carcinoma, Hepatocellular; Carotenoids; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Disease Progression; Diterpenes; Enzyme-Linked Immunosorbent Assay; Female; Hepatic Stellate Cells; Hepatitis C, Chronic; Humans; Immunohistochemistry; Isoprostanes; Lipid Peroxidation; Liver; Liver Cirrhosis; Liver Neoplasms; Lycopene; Male; Middle Aged; Oxidative Stress; Retinoids; Retinol-Binding Proteins, Plasma; Retinyl Esters; Risk; Severity of Illness Index; Tandem Mass Spectrometry; Vitamin A | 2016 |
Vitamins A and E content of commercial infant foods in the UK: A cause for concern?
Topics: alpha-Tocopherol; beta Carotene; Chromatography, High Pressure Liquid; Diterpenes; Food, Formulated; Humans; Infant; Infant Food; Micronutrients; Retinyl Esters; United Kingdom; Vitamin A; Vitamin E | 2016 |
Elevated Serum Retinol and Low Beta-Carotene but not Alpha-Tocopherol Concentrations Are Associated with Dyslipidemia in Brazilian Adolescents.
Topics: Adolescent; alpha-Tocopherol; Apolipoprotein A-I; Apolipoproteins B; beta Carotene; Biomarkers; Blood Glucose; Blood Pressure; Body Mass Index; Body Weight; Brazil; Child; Cholesterol, HDL; Cholesterol, LDL; Diet; Dyslipidemias; Exercise; Female; Humans; Male; Obesity; Overweight; Socioeconomic Factors; Vitamin A; Waist Circumference; Young Adult | 2016 |
Biofortified β-carotene rice improves vitamin A intake and reduces the prevalence of inadequacy among women and young children in a simulated analysis in Bangladesh, Indonesia, and the Philippines.
Topics: Adolescent; Adult; Bangladesh; beta Carotene; Biofortification; Child Nutritional Physiological Phenomena; Child, Preschool; Computer Simulation; Cross-Sectional Studies; Developing Countries; Diet; Female; Humans; Indonesia; Infant; Male; Maternal Nutritional Physiological Phenomena; Models, Biological; Nutrition Surveys; Oryza; Philippines; Prevalence; Seeds; Vitamin A; Vitamin A Deficiency; Young Adult | 2016 |
A Gold Standard to Accurately Assess Vitamin A Status: Are We There Yet?
Topics: beta Carotene; Humans; Kinetics; Nutritional Status; Vitamin A; Vitamin D; Young Adult | 2016 |
Maternal serum retinol and β-carotene concentrations and neonatal bone mineralization: results from the Southampton Women's Survey cohort.
Topics: Absorptiometry, Photon; Adult; beta Carotene; Bone and Bones; Bone Density; Bone Development; Calcification, Physiologic; Female; Fetal Development; Gestational Age; Humans; Infant, Newborn; Male; Maternal Nutritional Physiological Phenomena; Nutritional Status; Pregnancy; United Kingdom; Vitamin A | 2016 |
Effect of routine prenatal supplementation on vitamin concentrations in maternal serum and breast milk.
Topics: Adult; beta Carotene; Brazil; Colostrum; Cross-Sectional Studies; Dietary Supplements; Female; Humans; Maternal Nutritional Physiological Phenomena; Milk, Human; Nutritional Status; Postpartum Period; Pregnancy; Prevalence; Retrospective Studies; Severity of Illness Index; Vitamin A; Vitamin A Deficiency; Vitamins; Young Adult | 2017 |
Plasma Carotenoids, Tocopherols, and Retinol in the Age-Stratified (35-74 Years) General Population: A Cross-Sectional Study in Six European Countries.
Topics: Adult; Age Factors; Aged; alpha-Tocopherol; beta Carotene; Beta-Cryptoxanthin; Carotenoids; Cross-Sectional Studies; Diet; Europe; Female; Fruit; gamma-Tocopherol; Humans; Lutein; Lycopene; Male; Middle Aged; Tocopherols; Vitamin A; Zeaxanthins | 2016 |
Association between vitamin A, retinol and carotenoid intake and pancreatic cancer risk: Evidence from epidemiologic studies.
Topics: beta Carotene; Carotenoids; Female; Humans; Lycopene; Male; Pancreatic Neoplasms; Risk Factors; Vitamin A | 2016 |
The influence of dietary antioxidant on ovarian eggs and levels of vitamin E, C, A, astaxanthin, β-carotene and oxidative stres in tissues of Astacus leptodactylus (Eschscholtz) during reproduction.
Topics: Animals; Antioxidants; Ascorbic Acid; Astacoidea; beta Carotene; Cell Count; Cell Size; Chromatography, High Pressure Liquid; Dietary Supplements; Female; Malondialdehyde; Oocytes; Ovary; Oxidative Stress; Reproduction; Vitamin A; Vitamin E; Vitamins; Xanthophylls | 2016 |
Stability of β-carotene during baking of orange-fleshed sweet potato-wheat composite bread and estimated contribution to vitamin A requirements.
Topics: beta Carotene; Bread; Child; Cooking; Female; Humans; Ipomoea batatas; Pregnancy; Triticum; Vitamin A; Vitamin A Deficiency | 2017 |
Heterologous biosynthesis and manipulation of crocetin in Saccharomyces cerevisiae.
Topics: beta Carotene; Bioreactors; Biosynthetic Pathways; Carotenoids; Fermentation; Metabolic Engineering; Saccharomyces cerevisiae; Synthetic Biology; Vitamin A | 2017 |
Effect of supplemental β-carotene compared to retinyl palmitate on fatty acid profile and expression of mRNA from genes involved in vitamin A metabolism in beef feedlot cattle.
Topics: Animals; beta Carotene; Cattle; Diet; Dietary Supplements; Dioxygenases; Diterpenes; Fatty Acids, Unsaturated; Female; Gene Expression; Linoleic Acid; Lipogenesis; Male; Muscle, Skeletal; PPAR gamma; Retinoic Acid Receptor alpha; Retinyl Esters; RNA, Messenger; Vitamin A | 2017 |
Relative contribution of α-carotene to postprandial vitamin A concentrations in healthy humans after carrot consumption.
Topics: Adult; beta Carotene; Biological Availability; Carotenoids; Daucus carota; Diterpenes; Enterocytes; Esterification; Female; Humans; Intestinal Absorption; Male; Meals; Plant Extracts; Postprandial Period; Provitamins; Retinyl Esters; Vitamin A; Young Adult | 2017 |
Variations in native protein glycation and plasma antioxidants in several birds of prey.
Topics: Amino Acid Sequence; Animals; Antioxidants; Avian Proteins; beta Carotene; Beta-Cryptoxanthin; Blood Glucose; Eagles; Glycosylation; Hawks; Lutein; Predatory Behavior; Sequence Alignment; Sequence Homology, Amino Acid; Serum Albumin; Strigiformes; Uric Acid; Vitamin A; Vitamin E | 2017 |
Identification of cow and buffalo milk based on Beta carotene and vitamin-A concentration using fluorescence spectroscopy.
Topics: Animals; beta Carotene; Buffaloes; Cattle; Female; Food Technology; Milk; Principal Component Analysis; Spectrometry, Fluorescence; Vitamin A | 2017 |
Roux-en-Y Gastric Bypass Aggravates Vitamin A Deficiency in the Mother-Child Group.
Topics: Adult; beta Carotene; Birth Weight; Child; Disease Progression; Female; Gastric Bypass; Humans; Infant, Newborn; Longitudinal Studies; Mother-Child Relations; Mothers; Nutritional Status; Obesity, Morbid; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Retrospective Studies; Vitamin A; Vitamin A Deficiency; Young Adult | 2018 |
Nonenzymatic β-Carotene Degradation in Provitamin A-Biofortified Crop Plants.
Topics: beta Carotene; Biofortification; Crops, Agricultural; Dietary Supplements; Food Safety; Food, Fortified; Provitamins; Vitamin A | 2017 |
Vegetable relishes, high in β-carotene, increase the iron, zinc and β-carotene nutritive values from cereal porridges.
Topics: Africa South of the Sahara; beta Carotene; Biological Availability; Diet; Edible Grain; Humans; Intestinal Mucosa; Ipomoea batatas; Iron; Meals; Nutritive Value; Phenol; Phytic Acid; Sorghum; Vegetables; Vigna; Vitamin A; Zea mays; Zinc | 2018 |
[Hungarian Diet and Nutritional Status Survey - The OTAP2014 study. V. Vitamin intake of the Hungarian population].
Topics: Adult; Age Distribution; Ascorbic Acid; beta Carotene; Dairy Products; Dietary Carbohydrates; Dietary Fats; Dietary Proteins; Feeding Behavior; Female; Folic Acid; Humans; Hungary; Male; Middle Aged; Nutrition Surveys; Nutritional Status; Sex Distribution; Vitamin A; Vitamin B Complex; Vitamin D; Vitamin E; Vitamins; Young Adult | 2017 |
Associations between fruits, vegetables, vitamin A, β-carotene and flavonol dietary intake, and age-related macular degeneration in elderly women in Korea: the Fifth Korea National Health and Nutrition Examination Survey.
Topics: Aged; beta Carotene; Body Mass Index; Diet, Healthy; Dihydroergocristine; Female; Flavonols; Fruit; Humans; Macular Degeneration; Nutrition Surveys; Republic of Korea; Vegetables; Vitamin A | 2018 |
Vitamin A and marbling attributes: Intramuscular fat hyperplasia effects in cattle.
Topics: Adipocytes; Adipose Tissue; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Cattle; Diet; Hyperplasia; Male; Muscle, Skeletal; Red Meat; Subcutaneous Fat; Vitamin A; Vitamin A Deficiency | 2018 |
β-Carotene bioaccessibility from biofortified maize (Zea mays) is related to its density and is negatively influenced by lutein and zeaxanthin.
Topics: beta Carotene; Biological Availability; Caco-2 Cells; Digestion; Food, Fortified; Humans; Lutein; Seeds; Vitamin A; Zea mays; Zeaxanthins | 2018 |
β-carotene and retinol reduce benzo[a]pyrene-induced mutagenicity and oxidative stress via transcriptional modulation of xenobiotic metabolizing enzymes in human HepG2 cell line.
Topics: Animals; Benzo(a)pyrene; beta Carotene; Enzyme Induction; Hep G2 Cells; Humans; Inactivation, Metabolic; Micronutrients; Mutagens; Oxidative Stress; Vitamin A | 2018 |
Antioxidant effects of β-carotene, but not of retinol and vitamin E, in orbital fibroblasts from patients with Graves' orbitopathy (GO).
Topics: Antioxidants; beta Carotene; Case-Control Studies; Cell Proliferation; Cells, Cultured; Fibroblasts; Graves Ophthalmopathy; Humans; Orbit; Oxidative Stress; Primary Cell Culture; Vitamin A; Vitamin E | 2018 |
Retinol and Betacarotene Status in Mother-Infant Dyads and Associations between Them.
Topics: Adult; beta Carotene; Colostrum; Diet; Eating; Female; Fetal Blood; Humans; Infant, Newborn; Male; Maternal Nutritional Physiological Phenomena; Nutritional Status; Pregnancy; Vitamin A; Vitamin A Deficiency | 2018 |
Study on the Relationship between Liver Parasitic Infections and Serum Vitamin A and β-Carotene Status in Cattle.
Topics: Animals; beta Carotene; Cattle; Cattle Diseases; Dicrocoeliasis; Dicrocoelium; Echinococcosis; Echinococcus granulosus; Fasciola hepatica; Fascioliasis; Liver; Vitamin A | 2017 |
Retinol dehydrogenase 11 is essential for the maintenance of retinol homeostasis in liver and testis in mice.
Topics: Animals; beta Carotene; Diet; Female; Gene Expression; Homeostasis; Male; Mice; Mice, Knockout; Microsomes; Microsomes, Liver; Oxidoreductases; Retinaldehyde; Retinol-Binding Proteins, Plasma; Signal Transduction; Testis; Vitamin A; Vitamin A Deficiency | 2018 |
Evaluation of β-carotene assimilation in leopard geckos (Eublepharis macularius).
Topics: Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Carotenoids; Female; Lizards; Prospective Studies; Vitamin A; Vitamin A Deficiency | 2018 |
Intestinal β-carotene bioconversion in humans is determined by a new single-sample, plasma isotope ratio method and compared with traditional and modified area-under-the-curve methods.
Topics: Adult; Area Under Curve; beta Carotene; Biological Availability; Biotransformation; Chromatography, Liquid; Female; Humans; Intestinal Mucosa; Isotopes; Male; Tandem Mass Spectrometry; Vitamin A; Young Adult | 2018 |
Vitamin A and β-carotene in pregnant and breastfeeding post-bariatric women in an urban population.
Topics: Adult; Bariatric Surgery; beta Carotene; Breast Feeding; Female; Humans; Lactation; Milk, Human; Nutrition Assessment; Nutrition Disorders; Obesity; Perinatal Care; Pregnancy; Pregnancy Trimester, Third; United States; Urban Population; Vitamin A; Vitamin A Deficiency | 2019 |
Serum Carotenoids Reveal Poor Fruit and Vegetable Intake among Schoolchildren in Burkina Faso.
Topics: Adolescent; beta Carotene; Beta-Cryptoxanthin; Burkina Faso; Carotenoids; Child; Cross-Sectional Studies; Cryptoxanthins; Diet; Energy Intake; Feeding Behavior; Female; Fruit; Humans; Lutein; Male; Nutritional Status; Vegetables; Vitamin A; Vitamin A Deficiency; Xanthophylls | 2018 |
Sensory and cultural acceptability tradeoffs with nutritional content of biofortified orange-fleshed sweetpotato varieties among households with children in Malawi.
Topics: beta Carotene; Child, Preschool; Citrus sinensis; Crops, Agricultural; Family Characteristics; Female; Humans; Ipomoea batatas; Malawi; Male; Psychological Distance; Taste; Vitamin A; Vitamin A Deficiency | 2018 |
Circulating antioxidants and Alzheimer disease prevention: a Mendelian randomization study.
Topics: Aged; Aged, 80 and over; Alzheimer Disease; Antioxidants; Ascorbic Acid; beta Carotene; Case-Control Studies; Diet; Genetic Predisposition to Disease; Genome-Wide Association Study; Genotype; Humans; Mendelian Randomization Analysis; Polymorphism, Single Nucleotide; Uric Acid; Vitamin A | 2019 |
Evaluation of Agronomic Performance of β-Carotene Elevated Sorghum in Confined Field Conditions.
Topics: Africa; beta Carotene; Edible Grain; Nutritive Value; Plants, Genetically Modified; Sorghum; Vitamin A | 2019 |
Low Levels of Serum β-Carotene and β-Carotene/Retinol Ratio Are Associated with Histological Severity in Nonalcoholic Fatty Liver Disease Patients.
Topics: Adult; beta Carotene; Case-Control Studies; Female; Humans; Inflammation; Liver; Male; Middle Aged; Non-alcoholic Fatty Liver Disease; Vitamin A | 2019 |
Uptake and metabolism of β-apo-8'-carotenal, β-apo-10'-carotenal, and β-apo-13-carotenone in Caco-2 cells.
Topics: beta Carotene; Caco-2 Cells; Carotenoids; Chromatography, High Pressure Liquid; Humans; Kinetics; Mass Spectrometry; Vitamin A | 2019 |
A transformation-based approach to Gaussian mixture density estimation for bounded data.
Topics: beta Carotene; Biometry; Data Analysis; Environmental Monitoring; Humans; Models, Statistical; Neoplasms; Normal Distribution; Racial Groups; Risk; Schools; Vitamin A | 2019 |
Effect of feeding rice whole crop silage on growth rate, levels of vitamin A, β-carotene, vitamin E and IGF-1 in plasma and skeletal muscle protein degradation in Japanese black calves.
Topics: Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Calpain; Cattle; Gene Expression; Insulin-Like Growth Factor I; Muscle Proteins; Muscle, Skeletal; Oryza; Proteolysis; RNA, Messenger; Silage; Ubiquitin; Vitamin A; Vitamin E | 2019 |
Carrot Leaves Maintain Liver Vitamin A Concentrations in Male Mongolian Gerbils Regardless of the Ratio of α- to β-Carotene When β-Carotene Equivalents Are Equalized.
Topics: Animal Feed; Animal Nutritional Physiological Phenomena; Animals; beta Carotene; Biotransformation; Carotenoids; Daucus carota; Gerbillinae; Liver; Male; Plant Leaves; Vitamin A | 2019 |
Maternal age has more pronounced effect on breast milk retinol and β-carotene content than maternal dietary pattern.
Topics: Adult; Balkan Peninsula; beta Carotene; Colostrum; Europe; Feeding Behavior; Female; Humans; Lactation; Maternal Age; Maternal Nutritional Physiological Phenomena; Milk, Human; Pregnancy; Principal Component Analysis; Vitamin A | 2019 |
Compositional Analysis of Genetically Engineered GR2E "Golden Rice" in Comparison to That of Conventional Rice.
Topics: Amino Acids; Bangladesh; beta Carotene; Fatty Acids; Food, Genetically Modified; Genetic Engineering; Nutritive Value; Oryza; Philippines; Plant Proteins; Plants, Genetically Modified; Provitamins; Seeds; Vitamin A | 2019 |
Potentiality of using front face fluorescence spectroscopy for quantitative analysis of cow milk adulteration in buffalo milk.
Topics: Animals; beta Carotene; Buffaloes; Cattle; Female; Food Contamination; Least-Squares Analysis; Limit of Detection; Milk; Multivariate Analysis; Species Specificity; Spectrometry, Fluorescence; Spectrum Analysis, Raman; Vitamin A | 2020 |
Technical note: Rapid field test for the quantification of vitamin E, β-carotene, and vitamin A in whole blood and plasma of dairy cattle.
Topics: Animals; beta Carotene; Blood Chemical Analysis; Cattle; Chromatography, High Pressure Liquid; Female; Fluorometry; Spectrophotometry; Vitamin A; Vitamin E; Vitamins | 2019 |
Reduction of Serum Concentrations and Synergy between Retinol, β-Carotene, and Zinc According to Cancer Staging and Different Treatment Modalities Prior to Radiation Therapy in Women with Breast Cancer.
Topics: Aged; Antioxidants; beta Carotene; Breast Neoplasms; Female; Humans; Middle Aged; Neoplasm Staging; Vitamin A; Zinc | 2019 |
Prediagnostic dietary intakes of vitamin A and β-carotene are associated with hepatocellular-carcinoma survival.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; beta Carotene; Carcinoma, Hepatocellular; China; Diet; Female; Humans; Liver Neoplasms; Male; Middle Aged; Proportional Hazards Models; Risk Factors; Surveys and Questionnaires; Survival Analysis; Vitamin A; Young Adult | 2020 |
Validity and reliability of a dish-based semi-quantitative food frequency questionnaire for assessment of energy and nutrient intake among Iranian adults.
Topics: Adolescent; Adult; Aged; beta Carotene; Diet; Energy Intake; Feeding Behavior; Female; Humans; Iran; Male; Middle Aged; Nutrition Assessment; Reproducibility of Results; Surveys and Questionnaires; Vitamin A; Young Adult | 2020 |
The risks of ubiquinone and β-carotene deficiency and metabolic disorders in patients with oral cancer.
Topics: Adult; Aged; beta Carotene; C-Reactive Protein; Cross-Sectional Studies; Female; Humans; Interleukin-6; Male; Metabolic Diseases; Middle Aged; Mouth Neoplasms; Neoplasm Staging; Oxidative Stress; Ubiquinone; Vitamin A; Vitamin E | 2020 |
Conversions of β-Carotene as Vitamin A in IU to Vitamin A in RAE.
Topics: beta Carotene; Databases, Factual; Dietary Supplements; Drug Labeling; National Institutes of Health (U.S.); United States; Vitamin A | 2020 |
DNA damage is inversely associated to blood levels of DHA and EPA fatty acids in Brazilian children and adolescents.
Topics: Adolescent; beta Carotene; Body Mass Index; Brazil; Child; Cross-Sectional Studies; DNA Damage; Docosahexaenoic Acids; Eicosapentaenoic Acid; Energy Intake; Fatty Acids, Unsaturated; Female; Humans; Male; Riboflavin; Vitamin A; Vitamins | 2020 |
Relationship between Serum Antioxidative Vitamin Concentrations and Type 2 Diabetes in Japanese Subjects.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; beta Carotene; Blood Glucose; Diabetes Mellitus, Type 2; Diet; Female; Folic Acid; Humans; Japan; Male; Middle Aged; Vitamin A; Vitamin B 12; Vitamins | 2020 |
Effect of Beta-Carotene Supplementation on the Peripheral Blood Leukocyte Population in Japanese Black Calves.
Topics: Animals; beta Carotene; Cattle; CD4-Positive T-Lymphocytes; Dietary Supplements; Leukocyte Count; Leukocytes; Vitamin A | 2020 |
Low expression of carotenoids cleavage dioxygenase 1 (ccd1) gene improves the retention of provitamin-A in maize grains during storage.
Topics: Alleles; beta Carotene; Beta-Cryptoxanthin; Dioxygenases; Gene Dosage; Gene Expression; Genome, Plant; Hydrolysis; Inbreeding; Plant Breeding; Plant Proteins; Provitamins; Vitamin A; Zea mays | 2021 |
Serum concentration of vitamin A and its relationship with body adiposity, oxidative stress, and cardiovascular risk in women with recommended dietary intake of vitamin A.
Topics: Adiposity; beta Carotene; Blood Glucose; Body Mass Index; Cardiometabolic Risk Factors; Cardiovascular Diseases; Cross-Sectional Studies; Female; Glutathione Peroxidase; Humans; Lipids; Middle Aged; Night Blindness; Obesity; Obesity, Morbid; Overweight; Oxidative Stress; Recommended Dietary Allowances; Risk Factors; Thiobarbituric Acid Reactive Substances; Uric Acid; Vitamin A; Vitamin A Deficiency; Vitamins | 2020 |
Serum retinol, β-carotene, and α-tocopherol as biomarkers for disease risk and milk production in periparturient dairy cows.
Topics: alpha-Tocopherol; Animals; beta Carotene; Biomarkers; Cattle; Cattle Diseases; Cholesterol; Female; Lactation; Milk; Postpartum Period; Pregnancy; Risk Assessment; Vitamin A; Vitamins | 2021 |
A Compartmental Model Describing the Kinetics of β-Carotene and β-Carotene-Derived Retinol in Healthy Older Adults.
Topics: Aged; Aging; beta Carotene; Biological Availability; Computer Simulation; Female; Humans; Male; Middle Aged; Vitamin A | 2021 |
Development of sub-tropically adapted diverse provitamin-A rich maize inbreds through marker-assisted pedigree selection, their characterization and utilization in hybrid breeding.
Topics: Alleles; beta Carotene; Carotenoids; Edible Grain; Genes, Plant; Genotype; Inbreeding; Malnutrition; Plant Breeding; Plant Proteins; Polymorphism, Genetic; Provitamins; Vitamin A; Vitamin A Deficiency; Zea mays | 2021 |
Towards an Integrated Mathematical Model of Nutrient Metabolism: Linking β-Carotene and Vitamin A.
Topics: beta Carotene; Humans; Models, Theoretical; Nutrients; Vitamin A; Vitamin A Deficiency | 2021 |
Starch digestibility and β-carotene bioaccessibility in the orange- fleshed sweet potato puree-wheat bread.
Topics: beta Carotene; Biological Availability; Bread; Carotenoids; Color; Dietary Supplements; Digestion; Functional Food; Humans; Ipomoea batatas; Starch; Triticum; Vitamin A; Vitamin A Deficiency | 2021 |
The Structural and Biochemical Basis of Apocarotenoid Processing by β-Carotene Oxygenase-2.
Topics: Alcohols; Aldehydes; beta Carotene; Carboxylic Acids; Carotenoids; Catalysis; Cloning, Molecular; Dioxygenases; Escherichia coli; Isotope Labeling; Lipid Metabolism; Models, Molecular; Molecular Structure; Oxidative Stress; Oxygen Isotopes; Oxygenases; Structure-Activity Relationship; Vitamin A | 2021 |
Physiological significance of link between polycyclic aromatic hydrocarbons and serum nutritional biomarkers.
Topics: Adult; Aged; Aged, 80 and over; beta Carotene; Biomarkers; Carotenoids; Cross-Sectional Studies; Diterpenes; Environmental Exposure; Female; Humans; Lutein; Lycopene; Male; Middle Aged; Nutrition Surveys; Nutritional Status; Polycyclic Aromatic Hydrocarbons; Retinyl Esters; Vitamin A; Zeaxanthins | 2021 |
Using black soldier fly larvae reared on fruits and vegetables waste as a sustainable dietary source of provitamin a carotenoids.
Topics: Animals; beta Carotene; Carotenoids; Diet; Diptera; Fruit; Larva; Provitamins; Vegetables; Vitamin A | 2021 |
Marker-assisted pyramiding of lycopene-ε-cyclase, β-carotene hydroxylase1 and opaque2 genes for development of biofortified maize hybrids.
Topics: beta Carotene; Biofortification; DNA-Binding Proteins; Edible Grain; Endosperm; Genes, Plant; Genetic Markers; Humans; Intramolecular Lyases; Lysine; Plant Breeding; Plant Proteins; Transcription Factors; Tryptophan; Vitamin A; Vitamin A Deficiency; Zea mays | 2021 |
Nutrient patterns and their relation to obesity and metabolic syndrome in Iranian overweight and obese adult women.
Topics: Adult; Antioxidants; Ascorbic Acid; beta Carotene; Cross-Sectional Studies; Female; Humans; Iran; Metabolic Syndrome; Nutrients; Obesity; Overweight; Vitamin A; Vitamin K | 2022 |
Evaluation of Cellular Absorption and Metabolism of β-Carotene Loaded in Nanocarriers after
Topics: beta Carotene; Biological Availability; Caco-2 Cells; Digestion; Humans; Vitamin A | 2021 |
The Plasma Proteome Fingerprint Associated with Circulating Carotenoids and Retinol in Older Adults.
Topics: beta Carotene; Carotenoids; Lutein; Proteome; Proteomics; Vitamin A; Zeaxanthins | 2022 |
β-Carotene Bioavailability and Conversion Efficiency Are Significantly Affected by Sex in Rats: First Observation Suggesting a Possible Hormetic Regulation of Vitamin A Metabolism in Female Rats.
Topics: Animals; beta Carotene; Biological Availability; Diet; Female; Lipid Metabolism; Liver; Male; Rats; Vitamin A | 2021 |
Association between serum retinol and overall and cause-specific mortality in a 30-year prospective cohort study.
Topics: Alcohol Drinking; alpha-Tocopherol; beta Carotene; Body Mass Index; Cause of Death; Heart Diseases; Humans; Prospective Studies; Vitamin A | 2021 |
Fenretinide inhibits vitamin A formation from β-carotene and regulates carotenoid levels in mice.
Topics: Animals; beta Carotene; Body Weight; Dioxygenases; Fenretinide; Intestinal Absorption; Intestines; Liver; Mice, Inbred C57BL; Models, Biological; Retinol-Binding Proteins, Plasma; Vitamin A; Vitamin A Deficiency; Vitamin E | 2022 |
Genotype Effects on β-Carotene Conversion to Vitamin A: Implications on Reducing Vitamin A Deficiency in the Philippines.
Topics: Adolescent; Adult; beta Carotene; beta-Carotene 15,15'-Monooxygenase; Child; Cross-Sectional Studies; Genotype; Humans; Philippines; Polymorphism, Single Nucleotide; Vitamin A; Vitamin A Deficiency; Young Adult | 2022 |
Microencapsulated Vitamin A Palmitate Degradation Mechanism Study To Improve the Product Stability.
Topics: beta Carotene; Carotenoids; Diterpenes; Retinyl Esters; Vitamin A | 2021 |
Transcriptome analysis based on dietary beta-carotene supplement reveals genes potentially involved in carotenoid metabolism in Crassostrea gigas.
Topics: Amino Acid Sequence; Animals; Apolipoproteins; Base Sequence; beta Carotene; Crassostrea; Dietary Supplements; Digestive System; Gene Expression Profiling; Gene Expression Regulation; Molecular Sequence Annotation; Phylogeny; Reproducibility of Results; RNA Interference; RNA-Seq; RNA, Messenger; Vitamin A | 2022 |
β-carotene improves fecal dysbiosis and intestinal dysfunctions in a mouse model of vitamin A deficiency.
Topics: Animals; beta Carotene; Disease Models, Animal; Dysbiosis; Inflammation; Intestinal Diseases; Mice; Vitamin A; Vitamin A Deficiency | 2022 |
Effects of prepartum supplementation of β-carotene in Holstein cows.
Topics: Animals; beta Carotene; Cattle; Dietary Supplements; Female; Lactation; Pregnancy; Vitamin A; Vitamins | 2022 |
Oral Health and Nutritional Intake in Community-Dwelling 90-Year-Old Japanese People: A Cross-Sectional Study.
Topics: Aged, 80 and over; beta Carotene; Cross-Sectional Studies; Diet; East Asian People; Eating; Female; Humans; Japan; Male; Mastication; Micronutrients; Nutritional Status; Oral Health; Vitamin A | 2023 |
Circulating Concentrations of Nutrition-Related Factors Are Not Causally Associated With Atrial Fibrillation: A Mendelian Randomization Study.
Topics: Atrial Fibrillation; beta Carotene; Copper; Folic Acid; Genome-Wide Association Study; Humans; Iron; Mendelian Randomization Analysis; Polymorphism, Single Nucleotide; Vitamin A; Vitamin B 12; Vitamins; Zinc | 2022 |
Effect of blending ratio of wheat, orange fleshed sweet potato and haricot bean flour on proximate compositions, β-carotene, physicochemical properties and sensory acceptability of biscuits'.
Topics: beta Carotene; Child; Child, Preschool; Citrus sinensis; Fabaceae; Flour; Humans; Ipomoea batatas; Phaseolus; Powders; Triticum; Vitamin A | 2021 |
Status of carotenoids in elite and landrace maize genotypes: Implications for provitamin A biofortification in Tanzania.
Topics: beta Carotene; Beta-Cryptoxanthin; Biofortification; Carotenoids; Genotype; Lutein; Plant Breeding; Provitamins; Tanzania; Valsartan; Vitamin A; Zea mays; Zeaxanthins | 2022 |
Efficient production of retinol in Yarrowia lipolytica by increasing stability using antioxidant and detergent extraction.
Topics: Antioxidants; beta Carotene; Butylated Hydroxytoluene; Detergents; Polysorbates; Vitamin A; Yarrowia | 2022 |
The role of well-known antioxidant vitamins in the prevention of cadmium-induced toxicity.
Topics: Animals; Antioxidants; beta Carotene; Cadmium; Humans; Oxidative Stress; Vitamin A; Vitamins | 2022 |
Dietary Total Vitamin A, β-carotene, and Retinol Intake and the Risk of Diabetes in Chinese Adults with Plant-based Diets.
Topics: Adult; beta Carotene; Blood Glucose; Diabetes Mellitus; Diet; Diet, Vegetarian; Glycated Hemoglobin; Humans; Male; Prospective Studies; Risk Factors; Vitamin A | 2022 |
Use of stable isotopes to study bioconversion and bioefficacy of provitamin A carotenoids.
Topics: Animals; beta Carotene; Beta-Cryptoxanthin; Carotenoids; Chromatography, Liquid; Humans; Isotopes; Provitamins; Tandem Mass Spectrometry; Vitamin A | 2022 |
Visceral and body adiposity are negatively associated with vitamin A nutritional status independently of Body Mass Index and recommended intake of vitamin A in Brazilian Women.
Topics: Adiposity; Adult; beta Carotene; Body Mass Index; Brazil; Cross-Sectional Studies; Female; Humans; Nutritional Status; Obesity; Vitamin A | 2022 |
Retinoic acid regulates pyruvate dehydrogenase kinase 4 (Pdk4) to modulate fuel utilization in the adult heart: Insights from wild-type and β-carotene 9',10' oxygenase knockout mice.
Topics: Animals; beta Carotene; Dioxygenases; Mice; Mice, Knockout; Oxygenases; Protein Kinases; Pyruvate Dehydrogenase Complex; Tretinoin; Vitamin A | 2022 |
Microsomal triglyceride transfer protein-mediated transfer of β-carotene from donor to acceptor vesicles in vitro.
Topics: beta Carotene; Carotenoids; Carrier Proteins; Chylomicrons; Lipoproteins; Lipoproteins, LDL; Lipoproteins, VLDL; Vitamin A | 2022 |
Safety and uptake of fully oxidized β-carotene.
Topics: Animals; beta Carotene; Biological Transport; Humans; Liver; Mice; Polymers; Rats; Vitamin A | 2022 |
USPSTF: Using Vitamins and Minerals to Prevent CVD and Cancer Doesn't Work.
Topics: beta Carotene; Cardiovascular Diseases; Dietary Supplements; Humans; Minerals; Neoplasms; Vitamin A; Vitamin E; Vitamin K; Vitamins | 2022 |
Genetic tuning of β-carotene oxygenase-1 activity rescues cone photoreceptor function in STRA6-deficient mice.
Topics: Animals; beta Carotene; Membrane Proteins; Mice; Oxygenases; Retina; Retinal Cone Photoreceptor Cells; Vitamin A | 2023 |
Vitamin A deficiency during the perinatal period induces changes in vitamin A metabolism in the offspring. The regulation of intestinal vitamin A metabolism via ISX occurs only in male rats severely vitamin A-deficient.
Topics: Animals; beta Carotene; Female; Intestines; Liver; Male; Pregnancy; Rats; Vitamin A; Vitamin A Deficiency; Vitamin D; Vitamins | 2023 |
PLASMA VITAMIN AND MINERAL CONCENTRATIONS IN CAPTIVE GREATER FLAMINGOS (
Topics: Animals; beta Carotene; Birds; Canthaxanthin; Chlorides; Diet; Minerals; Provitamins; Sodium; Triglycerides; Vitamin A; Vitamin E; Vitamins | 2022 |
Dietary β-carotene and vitamin A and risk of Parkinson disease: A protocol for systematic review and meta-analysis.
Topics: Ascorbic Acid; beta Carotene; Cross-Sectional Studies; Humans; Meta-Analysis as Topic; Parkinson Disease; Retrospective Studies; Risk Factors; Systematic Reviews as Topic; Vitamin A; Vitamin E | 2022 |
Diet-derived antioxidants and nonalcoholic fatty liver disease: a Mendelian randomization study.
Topics: Antioxidants; beta Carotene; Diabetes Mellitus, Type 2; Diet; Genome-Wide Association Study; Humans; Lycopene; Mendelian Randomization Analysis; Non-alcoholic Fatty Liver Disease; Polymorphism, Single Nucleotide; Selenium; Vitamin A | 2023 |
Probing the physicochemical characteristics of carrot sauce during storage.
Topics: Adolescent; beta Carotene; Carotenoids; Daucus carota; Humans; Lycopene; Quality of Life; Solanum lycopersicum; Vitamin A | 2022 |
The conversion of β-carotene to vitamin A in adipocytes drives the anti-obesogenic effects of β-carotene in mice.
Topics: Adipocytes; Animals; beta Carotene; Female; Male; Mammals; Mice; Obesity; Tretinoin; Vitamin A | 2022 |
Association between pre-diagnostic dietary antioxidant vitamin consumption and ovarian cancer survival: a prospective cohort study.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Diet; Female; Follow-Up Studies; Humans; Ovarian Neoplasms; Prospective Studies; Risk Factors; Vitamin A; Vitamin E; Vitamins | 2023 |
Low Serum Vitamin D Status Is Associated with Incident Alzheimer's Dementia in the Oldest Old.
Topics: Aged; Aged, 80 and over; Alzheimer Disease; beta Carotene; Dementia; Humans; Prospective Studies; Tocopherols; Vitamin A; Vitamin D; Vitamin D Deficiency; Vitamins | 2022 |
Effect of the Emulsifier Used in Dunaliella salina-Based Nanoemulsions Formulation on the β-Carotene Absorption and Metabolism in Rats.
Topics: Animals; beta Carotene; Emulsifying Agents; Emulsions; Rats; Tissue Distribution; Vitamin A | 2023 |
Development and application of a SFC-DAD-MS/MS method to determine carotenoids and vitamin A in egg yolks from laying hens supplemented with β-carotene.
Topics: Animals; beta Carotene; Carotenoids; Chickens; Dietary Supplements; Egg Yolk; Female; Tandem Mass Spectrometry; Vitamin A | 2023 |
Evaluation of oxidized beta-carotene on sow and piglet immune systems, sow reproductive performance, and piglet growth.
Topics: Animal Feed; Animals; beta Carotene; Colostrum; Diet; Dietary Supplements; Female; Immune System; Immunoglobulin G; Lactation; Milk; Pregnancy; Sus scrofa; Swine; Vitamin A; Weaning | 2023 |
Patterns of Dietary Blood Markers Are Related to Frailty Status in the FRAILOMIC Validation Phase.
Topics: Aged; beta Carotene; Beta-Cryptoxanthin; Biomarkers; Carotenoids; Cross-Sectional Studies; Diet; Frail Elderly; Frailty; Humans; Lutein; Lycopene; Tocopherols; Vitamin A; Zeaxanthins | 2023 |
Anthocyanin and Lycopene Contents Do Not Affect β-Carotene Bioefficacy from Multicolored Carrots (Daucus carota L.) in Male Mongolian Gerbils.
Topics: Animals; Anthocyanins; beta Carotene; Carotenoids; Daucus carota; Gerbillinae; Lycopene; Male; Vitamin A | 2023 |
Composite dietary antioxidant intake and osteoporosis likelihood in premenopausal and postmenopausal women: a population-based study in the United States.
Topics: Antioxidants; Ascorbic Acid; beta Carotene; Bone Density; Diet; Eating; Female; Humans; Iron; Nutrition Surveys; Osteoporosis; Osteoporosis, Postmenopausal; Postmenopause; United States; Vitamin A; Vitamins | 2023 |
Characterization of grain carotenoids in global sorghum germplasm to guide genomics-assisted breeding strategies.
Topics: beta Carotene; Carotenoids; Edible Grain; Genome-Wide Association Study; Genomics; Plant Breeding; Sorghum; Vitamin A; Vitamin A Deficiency | 2023 |
Minerals and Antioxidant Micronutrients Levels and Clinical Outcome in Older Patients Hospitalized for COVID-19 during the First Wave of the Pandemic.
Topics: Aged; Antioxidants; Ascorbic Acid; beta Carotene; Copper; COVID-19; Dietary Supplements; Humans; Micronutrients; Minerals; Pandemics; Retrospective Studies; Selenium; Trace Elements; Vitamin A; Vitamins; Zinc | 2023 |
Direct Solar Oven with and without UV Filter vs. Traditional Oven: Effect on Polyphenolic Antioxidants, Vitamins and Carotenoids of Food.
Topics: Animals; Antioxidants; beta Carotene; Carotenoids; Cooking; Phenols; Tocopherols; Vegetables; Vitamin A; Vitamins | 2023 |
Transcriptome and metabolome profiling identify factors potentially involved in pro-vitamin A accumulation in cassava landraces.
Topics: beta Carotene; Carotenoids; Manihot; Metabolome; Transcriptome; Vegetables; Vitamin A; Vitamins | 2023 |
Dietary antioxidants and liver enzymes in Rafsanjan, a Region in Southeast Iran.
Topics: Adult; Aged; Alanine Transaminase; Antioxidants; beta Carotene; Beta-Cryptoxanthin; Carotenoids; Cohort Studies; Cross-Sectional Studies; Female; Humans; Iran; Liver; Male; Middle Aged; Prospective Studies; Provitamins; Vitamin A; Vitamin E | 2023 |
Lycopene Accumulation in Transgenic Mice Lacking One or Both Carotenoid Cleaving Enzymes.
Topics: Animals; beta Carotene; Carotenoids; Dioxygenases; Female; Lycopene; Male; Mammals; Mice; Mice, Knockout; Mice, Transgenic; Vitamin A | 2023 |
Bioaccumulated provitamin A in black soldier fly larvae is bioavailable and capable of improving vitamin A status of gerbils.
Topics: Animals; beta Carotene; Diptera; Gerbillinae; Larva; Provitamins; Vitamin A | 2023 |
Association between Vitamin A and E Forms and Prostate Cancer Risk in the Singapore Prostate Cancer Study.
Topics: alpha-Tocopherol; beta Carotene; Beta-Cryptoxanthin; Case-Control Studies; Humans; Lutein; Male; Prostatic Neoplasms; Singapore; Tocotrienols; Ubiquinone; Vitamin A | 2023 |
Preterm Pigs Fed Donor Human Milk Have Greater Liver β-Carotene Concentrations than Pigs Fed Infant Formula.
Topics: Animals; beta Carotene; Carotenoids; Humans; Infant; Infant Formula; Infant, Newborn; Infant, Premature; Liver; Lutein; Lycopene; Milk, Human; Swine; Vitamin A; Zeaxanthins | 2023 |
Bioavailability and provitamin A activity of neurosporaxanthin in mice.
Topics: Animals; beta Carotene; Biological Availability; Carotenoids; Dioxygenases; Mice; Provitamins; Vitamin A | 2023 |
Polysaccharides affect the utilization of β-carotene through gut microbiota investigated by in vitro and in vivo experiments.
Topics: Animals; beta Carotene; Chitosan; Gastrointestinal Microbiome; Mice; Polysaccharides; Vitamin A | 2023 |