dehydroascorbic acid has been researched along with ascorbic acid in 854 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 312 (36.53) | 18.7374 |
| 1990's | 211 (24.71) | 18.2507 |
| 2000's | 211 (24.71) | 29.6817 |
| 2010's | 100 (11.71) | 24.3611 |
| 2020's | 20 (2.34) | 2.80 |
| Authors | Studies |
|---|---|
| Weis, W | 1 |
| Bigley, RH; Rigas, DA; Stankova, L | 1 |
| Mann, GV; Newton, P | 1 |
| Baker, EM; Carlson, RW; Downing, M; Knight, MK; Tolbert, BM | 1 |
| Löwendahl, L; Petersson, G | 1 |
| Kunin, CM | 1 |
| Davídek, J; Kubelka, V; Pokorny, J; Velí'sek, J; Zelinková, Z | 1 |
| Biaglow, JE; Koch, CJ | 1 |
| Glass, DB; Goldberg, ND; Graff, G; Haddox, MK; Moser, ME; Stephenson, JH | 1 |
| Atkinson, JP; Ito, M; Kelly, J; Parker, CW; Weiss, A | 1 |
| Glass, DB; Goldberg, ND; Haddox, MK; Holmes-Gray, B; Moser, ME; Stephenson, JH; White, JG | 1 |
| Iwata, H; Onishi, T; Takagi, Y | 1 |
| Ginter, E; Zloch, Z | 1 |
| Harkrader, RJ; Plunkett, LM; Tolbert, BM | 1 |
| Boggust, WA; McGauley, H | 1 |
| Tirrell, JG; Westhead, EW | 1 |
| Orringer, EP; Roer, ME | 1 |
| Gunther, GR; Jamieson, JD | 1 |
| Basu, B; Bhattacharya, DK; Chatterjee, GC | 1 |
| Inch, WR; Koch, CJ; Sridhar, R; Stroude, EC | 1 |
| Luthe, P; Reim, M | 1 |
| Johnson, FC | 1 |
| Mennear, JH; Pence, LA | 1 |
| Baba, A; Iwata, H; Maeda, S; Matsuda, T | 1 |
| Chatranon, W; Chavalittamrong, B; Siddhikol, C | 1 |
| Evered, DF; Sadoogh-Abasian, F | 1 |
| Bates, CJ; Black, AE; Mandal, AR; Patnaik, BK; Paul, AA; Rutishauser, IH | 1 |
| Lehnard, A | 1 |
| Banerjee, A; Chatterjee, IB | 1 |
| Hegenauer, J; Ludwig, D; Saltman, P | 1 |
| Bassi, J; Norkus, EP; Rosso, P | 1 |
| Basu, S; Chatterjee, IB; Deb, S; Mukherjee, D; Som, S | 1 |
| Okamura, M | 3 |
| Dubey, SS; Singh, RP; Udupa, KN | 1 |
| Chatterjee, AK; Ghosh, B; Sengupta, K | 1 |
| Biswas, NM; Koley, AR | 1 |
| Iio, M; Okabe, K; Omura, H | 1 |
| Cooperstein, DF; Scott, WN | 1 |
| Brunette, DM; Feng, J; Melcher, AH; Moe, HK | 1 |
| Bigley, R; Keown, P; Rigas, DA; Stankova, L | 1 |
| Benöhr, HC; Tigges, FJ; Waller, HD | 1 |
| DeRitter, E; Johnson, JB; Rubin, SH | 1 |
| Conetta, A; Roy, RB; Salpeter, J | 1 |
| Hiyoshi, S; Jinnouchi, H; Takahashi, N; Yagishita, K; Yamamoto, H | 1 |
| Amos, H; Christopher, CW; Musliner, TA | 1 |
| King, CG | 1 |
| Hornig, D | 2 |
| Chatterjee, IB; Majumder, AK; Nandi, BK; Subramanian, N | 1 |
| Lewin, S | 1 |
| Cox, BD; Whichelow, MJ | 1 |
| Bigley, RH; Gerhardt, NB; Nagel, L; Stankova, L | 1 |
| Poisson, JP | 1 |
| Bockisch, M; Marx, F; Pfeilsticker, K | 1 |
| Schulze, HU | 1 |
| Holfelder, E; Schmidt, K | 1 |
| Biswas, NM | 1 |
| Bode, AM; Rose, RC | 3 |
| De Natale, G; Desole, MS; Enrico, P; Esposito, G; Fresu, L; Miele, E; Miele, M | 2 |
| Winkler, BS | 2 |
| Barnett, AH; Girling, AJ; Gray, L; Lunec, J; Sinclair, AJ | 1 |
| Dubey, SS; Gupta, AK; Sharma, MR; Singh, RG | 1 |
| Dhariwal, KR; Levine, M; Wang, YH | 1 |
| Meister, A | 1 |
| Dhariwal, KR; Levine, M; Wang, Y; Washko, PW; Welch, RW | 1 |
| Kulathila, R; Merkler, DJ; Tamburini, PP; Young, SD | 1 |
| Bates, CJ | 1 |
| Goldenberg, H; Schweinzer, E | 3 |
| Torney, JJ; Trimble, ER; Young, IS | 1 |
| Jalukar, V; Kelley, PM; Njus, D; Zu, JA | 1 |
| Chesney, JA; Eaton, JW; Mahoney, JR | 1 |
| Bigley, R; Ingermann, RL; Stankova, L | 1 |
| Cammack, J; Rice, ME | 1 |
| Adams, RN; Cammack, J; Oke, A | 1 |
| Bilic, N | 1 |
| Barnett, AH; Girling, AJ; Gray, L; Le Guen, C; Lunec, J; Sinclair, AJ | 1 |
| Dhariwal, KR; Hartzell, WO; Levine, M | 1 |
| Bannon, AW; Fay, MJ; Verlangieri, AJ | 1 |
| Ortwerth, BJ; Prabhakaram, M | 1 |
| Daniels, AJ; Diliberto, EJ; Viveros, OH | 1 |
| Levine, M; Rotrosen, D; Washko, P | 1 |
| Ibric, LL; Peterson, AR; Sevanian, A | 1 |
| Poydock, ME | 1 |
| Abdallah, RM; Meadows, GG; Pierson, HF | 1 |
| Helzlsouer, KJ; Margolis, SA; Ziegler, RG | 1 |
| Bowers-Komro, DM; McCormick, DB | 1 |
| Mehlhorn, RJ | 1 |
| Alcain, FJ; Buron, MI; Navas, P; Villalba, JM | 1 |
| Arthur, JR; Duthie, GG; James, WP | 1 |
| Farver, O; Nielsen, JH; Thorn, NA; Zhou, A | 1 |
| De Natale, G; Desole, MS; Enrico, P; Esposito, G; Miele, E; Miele, M | 1 |
| Bode, AM; Carlson, EC; Meyer, DA; Rose, RC; Vanderpool, SS | 1 |
| Braganza, JM; Guyan, PM; Schofield, D | 1 |
| Rose, RC | 6 |
| Margolis, SA; Paule, RC; Ziegler, RG | 1 |
| Bode, AM; Cunningham, L; Rose, RC | 1 |
| Casini, AF; Comporti, M; Del Bello, B; Maellaro, E | 1 |
| Jalukar, V; Kelley, PM; Njus, D | 1 |
| Dabrowski, K; Wieser, W | 1 |
| Choi, JL; Rose, RC | 2 |
| Feather, MS; Ortwerth, BJ; Slight, SH | 1 |
| Jonas, SK; Riley, PA; Willson, RL | 1 |
| Aguirre, J; Hansberg, W; Rodríguez, R | 1 |
| Mackey, BM; Seymour, DA | 1 |
| Degrell, I; Nagy, E | 1 |
| Behrens, WA; Madère, R | 2 |
| Dabrowski, K; Köck, G | 1 |
| Dabrowski, K; Hinterleitner, S | 1 |
| Hughes, DE; Van Deusen, S | 1 |
| Kawajiri, A; Morita, N; Nakata, K; Takagi, M | 1 |
| DiMattio, J | 1 |
| Jefferson, MM; Learn, DB; Thomas, EL; Weatherred, W | 1 |
| Cooperstein, DF | 1 |
| Berweck, S; Helbig, H; Korbmacher, C; Kühner, D; Wiederholt, M; Wohlfarth, J | 1 |
| Bhagavan, HN; Garry, PJ; VanderJagt, DJ | 1 |
| Davison, AJ; Fatur, DJ; Kettle, AJ | 1 |
| Gibson, TR; Glembotski, CC; Shields, PP | 1 |
| Lohmann, W; Schmehl, W; Strobel, J | 1 |
| Lohmann, W | 2 |
| Cunningham, JJ | 1 |
| Kitaoka, S; Nakano, Y; Onishi, T; Shigeoka, S | 1 |
| Bauer, SA; Richards, RD; Varma, SD | 1 |
| Davis, KA; Labbe, RF; Lee, W; Rettmer, RL | 1 |
| Casini, AF; Comporti, M; Maellaro, E | 1 |
| Davis, TP; Margolis, SA | 1 |
| Asada, K; Mano, J | 1 |
| Tangney, CC | 1 |
| Harnadek, GJ; Kelley, PM; Njus, D; Pacquing, YV | 1 |
| Choi, JL; Koch, MJ; Rose, RC | 1 |
| Bigley, RH; Bissonnette, JM; Ingermann, RL; Stankova, L | 1 |
| Miyamoto, I; Morita, N; Onodera, H; Takagi, M | 1 |
| Benedict, WF; Ibric, LL; Peterson, AR | 1 |
| Feather, MS; Olesen, PR; Ortwerth, BJ | 1 |
| Barnett, AH; Chirico, S; Jennings, PE; Jones, AF; Lunec, J | 1 |
| Sanderson, MJ; Schorah, CJ | 1 |
| Akita, S; Fujii, K; Kawahara, M; Morio, M; Takeshita, T | 1 |
| Meier, B; Sticher, O; Ziegler, SJ | 1 |
| Bennett, K; Jennings, M; Wagner, ES; White, W | 1 |
| Mooradian, AD | 1 |
| Kern, HL; Zolot, SL | 1 |
| Arrigoni, O; De Gara, L; Liso, R; Tommasi, F | 1 |
| Lopez-Anaya, A; Mayersohn, M | 1 |
| Kábrt, J; Kramlová, J; Skrha, J | 1 |
| Doner, LW; Hicks, KB | 2 |
| Greene, YJ; Harwood, HJ; Stacpoole, PW | 1 |
| Khatami, M; Li, W; Rockey, JH; Roel, LE | 1 |
| Arakawa, N; Kurata, T; Otsuka, M | 2 |
| Juven, BJ; Kanner, J | 1 |
| Lohmann, W; Paul, HH; Wunderling, M | 1 |
| Kábrt, J | 1 |
| Fong, D; Lai, YL; Lam, KW; Tsin, AT; Wang, HM | 1 |
| Higashioka, H; Morita, N; Takagi, M | 1 |
| Huisman, JA; Raghoebar, M; van den Berg, WB; van Ginneken, CA | 1 |
| Christensen, BL; Farver, O; Jeppesen, CK; Nielsen, FS; Thorn, NA | 1 |
| McGahan, MC | 1 |
| Blake, DR; Lunec, J | 1 |
| Levine, M; Morita, K | 1 |
| Tolbert, BM | 1 |
| Seib, PA | 1 |
| Kläui, H | 1 |
| Bianchi, J; Rose, RC | 3 |
| Hunt, NH; Stocker, R; Weidemann, MJ | 1 |
| Fukushima, S; Ito, N; Shibata, MA; Shirai, T; Tamano, S | 1 |
| Bigley, RH; Ingermann, RL; Stankova, L | 1 |
| Bianchi, J; Rose, RC; Wilson, FA | 1 |
| Liotti, FS; Principato, GB; Talesa, V | 1 |
| Nath, N; Shah, S | 1 |
| Fisher, JM; Pierson, HF; Rabinovitz, M | 1 |
| Kneifel, W; Sommer, R | 1 |
| Noguchi, K; Seki, T; Yamaguchi, Y; Yanagihara, Y | 1 |
| Farber, CM; Liebes, LF; Silber, R; Stahl, RL | 1 |
| Hara, S; Iwata, T; Nakamura, M; Ohkura, Y; Yamaguchi, M | 1 |
| Crane, FL; Croze, EM; Morré, DJ; Safranski, K; Sun, I | 1 |
| Filby, WG; Kalus, WH | 1 |
| Charles, SA; Halliwell, B; Law, MY | 1 |
| Holz, D; Lohmann, W | 1 |
| Castle, JD; Tritton, TR; von Zastrow, M | 1 |
| Bigley, R; Layman, D; Riddle, M; Stankova, L; Wirth, M | 1 |
| Bruchelt, G; Hagmaier, V; Hornig, D; Oberritter, H; Schmidt, K | 1 |
| Matsumura, Y; Miyawaki, N; Morimoto, S; Ohno, Y; Shimizu, T | 1 |
| Allwood, MC | 1 |
| Allen, PL; Diliberto, EJ | 2 |
| Bodo, M; Guerrieri, P; Liotti, FS; Menghini, AR; Talesa, V | 1 |
| Castelli, A; Martorana, GE; Meucci, E; Miggiano, GA; Mordente, A | 2 |
| Vaĭnshteĭn, SG; Zvershkhanovskiĭ, FA | 1 |
| Muddeshwar, MG; Nath, M; Nath, N | 1 |
| Chari, SN; Nath, N; Rathi, AB | 1 |
| Higgs, DJ; Vanderslice, JT | 1 |
| Bishop, N; Habibzadeh, N; Newill, A; Schorah, CJ | 1 |
| Koch, MJ; Rose, RC | 1 |
| Anderson, R; Bagby, GC; Bigley, RH; Stankova, L | 1 |
| Farber, CM; Kanengiser, S; Liebes, L; Silber, R; Stahl, R | 1 |
| Vissers, MC; Winterbourn, CC | 1 |
| Løvstad, RA | 1 |
| Bigley, R; Burry, K; Hart, J; Larned, J; Menashe, D; Riddle, M; Stankova, L | 1 |
| Brau, RH; García-Castiñeiras, S; Rifkinson, N | 1 |
| Hoidal, JR; McGowan, SE; Niewoehner, DE; Parenti, CM | 1 |
| Hatch, LL; Sevanian, A | 1 |
| Kivirikko, KI; Myllylä, R; Puistola, U; Turpeenniemi-Hujanen, TM | 1 |
| Brandt, HA; Dawson, RB; Koklin, S; Meyer, DR; Sisk, LD | 1 |
| Chow, CK; Gairola, C; Thacker, R | 1 |
| Wills, RB; Wimalasiri, P | 1 |
| Yew, MS | 1 |
| Domke, I; Weis, W | 1 |
| Lam, KW; Tso, MO; Woodford, BJ | 1 |
| Banerjee, DK; Basu, AK; Chatterjea, B | 1 |
| Prasad, KN | 1 |
| Aleandri, L; Poydock, ME; Reikert, D; Rice, J | 1 |
| Banerjee, A | 2 |
| Devynck, J; Gazave, JM; Regnault-Roger, C | 1 |
| Banu, N; Dubey, SS; Gupta, JP; Sinha, KK | 1 |
| Eik-Nes, KB; Jakobsen, K | 1 |
| Kang, SO; Lohmann, W; Paul, HH; Sapper, H | 1 |
| Basu, S; Chatterjee, IB; Chatterjee, SN; Choudhury, PR; Deb, S; Mukherjee, D; Mukherjee, S; Som, S | 1 |
| Rosso, P; Streeter, ML | 1 |
| Nahrwold, DL; Rose, RC | 1 |
| Basu, S; Chatterjee, IB; Deb, S; Som, S | 1 |
| Flatmark, T; Ingebretsen, OC; Terland, O | 1 |
| Domke, I; Ross, W; Weis, W | 1 |
| Riley, PA | 1 |
| Delafuente, JC; Panush, RS | 1 |
| Bigley, R; Loos, J; Roos, D; Stankova, L | 1 |
| Bienfait, HF; van den Briel, ML | 1 |
| Sosnitskaia, GM | 1 |
| Ramirez, I; Richie, E; van Eys, J; Wang, YM | 1 |
| Loft, S; Lykkesfeldt, J; Poulsen, HE | 1 |
| Leichtweiss, HP; Mohar, B; Rybakowski, C; Schröder, H; Wohlers, S | 1 |
| Cotgreave, IA; Ek, A; Ström, K | 1 |
| Concha, II; Golde, DW; Rivas, CI; Velásquez, FV; Vera, JC; Zhang, RH | 1 |
| Annicchiarico-Petruzzelli, M; Avigliano, L; De Laurenzi, V; Finazzi-Agrò, A; Melino, G; Savini, I | 1 |
| Aoki, S; Esashi, T; Umegaki, K | 1 |
| Brunner, M; Moeslinger, T; Spieckermann, PG; Volf, I | 1 |
| Frei, B; Retsky, KL | 1 |
| Devamanoharan, PS; Rose, C; Varma, SD | 1 |
| Ito, T; Matsui, M; Murata, H; Sakai, T; Yamauchi, K; Yasui, Y | 1 |
| Davies, MJ; Moreau, S; Puppo, A | 1 |
| De Natale, G; Desole, MS; Enrico, P; Esposito, G; Fresu, L; Miele, M; Migheli, R | 1 |
| Barnett, AH; Girling, AJ; Lunec, J; Sinclair, AJ; Taylor, PB | 1 |
| Fuchinoue, S; Ota, K; Ozaki, M; Teraoka, S | 1 |
| Crossman, A; Kirk, KL; Levine, M; Park, JB; Wang, Y; Welch, RW | 1 |
| Kageyama, K; Matsui-Yuasa, I; Miwa, N; Nagao, N; Onoyama, Y; Otani, S | 1 |
| Andersen, LP; Odum, L | 1 |
| Inzé, D; Kampfenkel, K; Van Montagu, M | 1 |
| Ikeda, M; Kihara, T; Sakata, S | 1 |
| Darrow, RM; Goldman, R; Kagan, VE; Organisciak, DT; Stoyanovsky, DA | 1 |
| Ahmed, N; Daniel, LN; Gannett, P; Liu, K; Mao, Y; Rojanasakul, Y; Saffiotti, U; Shi, X | 1 |
| Barja, G; Hernanz, A | 1 |
| Brunner, M; Moeslinger, T; Spieckermann, PG | 1 |
| Arrigoni, O | 1 |
| Aziz, T; Han, D; Nguyen, L; Packer, L; Shindo, Y; Tzeng, B; Witt, E | 1 |
| Feuerstein, TJ; Ginap, T; Lang, G; Rossner, R; Weinheimer, G | 1 |
| Fujimoto, S; Kanazawa, H; Ohara, A | 1 |
| Roginsky, VA; Stegmann, HB | 1 |
| De Natale, G; Desole, MS; Esposito, G; Fresu, L; Miele, E; Miele, M; Migheli, R | 1 |
| Dabrowski, K; Lepine, AJ; Mahan, DC | 1 |
| Culcasi, M; d'Arbigny, PD; Pietri, S; Séguin, JR | 1 |
| Becka, M; Bolt, HM; Capellmann, M | 1 |
| Farber, CM; Golde, DW; Rivas, CI; Vera, JC; Zhang, RH | 1 |
| Aggarwal, S; Droy-Lefaix, MT; Haramaki, N; Kawabata, T; Packer, L | 1 |
| Costentin, J; Girbe, F; Piton, C; Ramassamy, C | 1 |
| De Gara, L; De Tullio, M; Paciolla, C | 1 |
| Inoue, M; Koyama, K; Takatsuki, K | 1 |
| Giblin, FJ; Reddy, VN; Sasaki, H; Yokoyama, T | 1 |
| Arakawa, N; Kim, M; Kurata, T; Otsuka, M; Yu, R | 1 |
| Bode, AM; Bolken, S; Gomez, Y; Green, E; Rose, RC; Wheeldon, SL; Yavarow, CR | 1 |
| Cornu, MC; Moldéus, P; Moore, GA; Nakagawa, Y | 1 |
| Berends, H; Petersen, MA | 1 |
| Kagan, VE; Salama, G; Stoyanovsky, DA | 1 |
| Harapanhalli, RS; Howell, RW; Rao, DV | 1 |
| Levine, M; Wang, Y; Washko, PW | 1 |
| Hunt, NH; Iheanacho, EN; Stocker, R | 2 |
| Gruszczyński, J; Jendryczko, A; Kozowicz, M; Szpyrka, G | 1 |
| Glickman, RD; Lam, KW; Lin, T; Yu, HS | 1 |
| Davies, MJ; Timmins, GS | 1 |
| Carrea, G; Chiari, M; Nesi, M; Righetti, PG | 1 |
| Freeman, MW; Frei, B; Retsky, KL | 1 |
| Dreyer, R; Rose, RC | 1 |
| Felton, GW; Summers, CB | 1 |
| Deutsch, JC; Kolhouse, JF | 1 |
| Bode, AM; Fry, DA; Vargas, T; Yavarow, CR | 1 |
| Al-Hazaa, AH; Bodenham, A; Downing, C; Gallivan, L; Piripitsi, A; Sanderson, MJ; Schorah, CJ | 1 |
| Asmus, KD; Bensasson, RV; Bernier, JL; Houssin, R; Land, EJ | 1 |
| Bello, BD; Comporti, M; Maellaro, E | 1 |
| Duewer, DL; Margolis, SA | 1 |
| Bánhegyi, G; Braun, L; Csala, M; Garzó, T; Gyórffy, E; Mandl, J; Puskás, F | 1 |
| Del Río, LA; Hernández, JA; Jimenez, A; Pastori, GM; Sevilla, F | 1 |
| Fujimoto, T; Kageyama, K; Kanatate, T; Miwa, N; Nagao, N; Sugimoto, M | 1 |
| Wells, WW; Xu, DP | 1 |
| Netke, S; Niedzwiecki, A | 1 |
| Ikeda, M; Kihara, T; Kogure, K; Matsuo, Y; Ninomiya, M; Onodera, H | 1 |
| Birlouez-Aragon, I; Guilland, JC; Tessier, F; Tjani, C | 1 |
| Benderitter, M; Guilland, JC; Hadj-Saad, F; Lhuissier, M; Maupoil, V; Rochette, L | 1 |
| Ceccaroli, P; De Sanctis, R; Fiorani, M; Palma, F; Saltarelli, R; Stocchi, V | 1 |
| Cobb, CE; May, JM; Qu, ZC; Whitesell, RR | 1 |
| Getoff, N; Goldenberg, H; Krajnik, P; Mao, Y; Schweinzer, E | 1 |
| Every, D | 1 |
| Leake, DS; Stait, SE | 1 |
| Labbe, RF; Lee, W; Roberts, SM | 1 |
| Monnier, VM; Saxena, AK; Saxena, P | 1 |
| Imanari, T; Koshiishi, I | 1 |
| Abou-Seif, MA | 1 |
| Fuchs, J; Groth, N; Herrling, T; Zimmer, G | 1 |
| Bórquez-Ojeda, OA; Cárcamo, JG; Concha, II; Golde, DW; Guaiquil, VH; Rivas, CI; Velásquez, FV; Vera, JC | 1 |
| Esteve, MJ; Farré, R; Frigola, A; Garcia-Cantabella, JM | 1 |
| Fuchinoue, S; Nakamura, M; Ota, K; Ozaki, M; Teraoka, S | 1 |
| Farber, CM; Golde, DW; Guaiquil, VH; Vera, JC | 1 |
| Loft, S; Lykkesfeldt, J; Nielsen, JB; Poulsen, HE | 1 |
| Margolis, SA; Schapira, RM | 1 |
| Deutsch, JC | 3 |
| Gapuz, D; Russell, PJ; Williams, A | 1 |
| Ng, LL; Ngkeekwong, FC | 1 |
| Dixon, SJ; Siushansian, R; Tao, L; Wilson, JX | 1 |
| De Sanctis, R; Fiorani, M; Saltarelli, R; Stocchi, V | 1 |
| Golde, DW; Houghton, AN; Nualart, F; Spielholz, C; Vera, JC | 1 |
| Kimoto, E; Terada, S; Yamaguchi, T | 1 |
| Himmelreich, U; Kuchel, PW | 1 |
| Blázquez, MV; Gomez-Díaz, C; Muñoz, E; Navas, P; Ortiz, C | 1 |
| Kageyama, K; Miwa, N; Muto, N; Nagao, N; O'Uchida, R; Saitoh, Y; Yamane, T | 1 |
| Burk, RF; Hill, KE; May, JM; Mendiratta, S | 1 |
| Bánhegyi, G; Braun, L; Csala, M; Mandl, J; Puskás, F | 1 |
| Bánhegyi, G; Braun, L; Csala, M; Mandl, J; Mészáros, G; Puskás, F | 1 |
| Bauw, G; Davey, MW; Van Montagu, M | 1 |
| Imanari, T; Koshiishi, I; Mamura, Y | 1 |
| al-Barwani, H; Simpson, RJ | 1 |
| Agus, DB; Baselga, J; Gambhir, SS; Golde, DW; Pardridge, WM; Spielholz, C; Vera, JC | 1 |
| May, JM | 3 |
| Dixon, SJ; Qutob, S; Wilson, JX | 1 |
| Benderitter, M; Maupoil, V; Rochette, L; Vergely, C | 1 |
| Bánhegyi, G; Benedetti, A; Fulceri, R; Mandl, J; Marcolongo, P; Puskás, F | 1 |
| Amako, K; Asada, K; Kinoshita, S; Matsuo, M; Miyake, C; Wada, N | 1 |
| May, JM; Mendiratta, S; Qu, ZC | 3 |
| Bonet, B; Herrera, E; Otero, P; Viana, M | 1 |
| Hirano, K; Imanishi, M; Kim, HS; Mino, M; Ogihara, H; Ogihara, T; Okamoto, R; Tamai, H | 1 |
| Maranzana, A; Mehlhorn, RJ | 1 |
| Aten, RF; Behrman, HR; Kodaman, PH | 1 |
| Coots, A; James, HL; Linetsky, M; Ortwerth, BJ | 1 |
| Golde, DW; Rivas, CI; Vera, JC; Zhang, RH | 1 |
| Guil, JL; Rodríguez-García, I; Torija, E | 1 |
| Allwood, MC; Hardy, G; Kearney, MC; Martin, H; Neal, T | 1 |
| Imanari, T; Koshiishi, I; Liu, J; Mamura, Y | 2 |
| Davies, JE; Ng, LL; Ngkeekwong, FC; Quinn, PA | 1 |
| Foyer, CH; Mullineaux, PM | 1 |
| Drew, KN; Himmelreich, U; Kuchel, PW; Serianni, AS | 1 |
| Fujita, M; Hara, T; Innami, S; Kusunoki, K; Maekawa, A; Minari, Y; Tadokoro, T | 1 |
| Fry, SC | 1 |
| Bongard, RD; Dawson, CA; Linehan, JH; Merker, MP; Olson, LE; Patel, MK | 1 |
| Driscoll, JE; Franceschi, RT; Pandipati, S | 1 |
| Baird, JD; Jamieson, NS; Lindsay, RM; McGuigan, CC; Smith, W; Walker, SA | 1 |
| Jung, CH; Wells, WW | 1 |
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| Higasa, S; Iwamoto, S; Kagawa, Y; Nakayama, K; Tsujimura, M; Yanagisawa, Y | 1 |
| Almeida, C; Balcao, V; Casal, S; Guerra, A; Guimaraes, H; Matos, C; Moutinho, C; Ribeiro, M; Rocha, G | 1 |
| Arakawa, T; Arita, M; Furuya, A; Koyama, AH; Uozaki, M; Yamasaki, H | 1 |
| Gardner, JR; Golde, DW; Heaney, ML; Karasavvas, N; O'Connor, OA; Scheinberg, DA; Smith, EA | 1 |
| Dahhan, T; Reidling, JC; Sadat, M; Said, HM; Subramanian, VS | 1 |
| JOSLYN, MA; PONTING, JD | 1 |
| Barbehenn, RV; Knoester, JJ; Maben, RE | 1 |
| Jin, J; Takahashi, F | 1 |
| Endo, T; Hara, S; Kuriiwa, F; Mizukami, H | 1 |
| Franke, AA; Li, X | 1 |
| Hamed, RB; Mecinović, J; Schofield, CJ | 1 |
| Hwang, YI; Jeong, YJ; Kang, JS; Lee, WJ; Lim, H; Maeng, HG; Woo, A | 1 |
| Higasa, S; Hiraoka, M; Iwamoto, S; Kagawa, Y; Nakayama, K; Tsujimura, M; Yanagisawa, Y | 1 |
| Cente, M; Filipcik, P; Krajciova, G; Mandakova, S; Novak, M; Zilka, N | 1 |
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| Qin, A; Shi, Q; Yu, X | 1 |
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| JOHNSON, BC; SHIELDS, JB | 1 |
| MULLER, PB; von FELLENBERG, T | 1 |
| HEWSTON, EM; ORENT-KEILES, E | 1 |
| Hendrickx, M; Mathooko, F; Njoroge, C; Oey, I; Shitanda, D; Wawire, M | 1 |
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| Chang, SC; Kim, SH; Kim, SK; Lee, WS; Lee, Y; Park, CH; Ram Kim, A | 1 |
| Ahmad, I; Ahmed, S; Ansari, SA; Shaikh, RH; Sheraz, MA; ur Rehman Khattak, S; Vaid, FH | 1 |
| Dafré-Martinelli, M; Dias, AP; Domingos, M; Nakazato, RK; Rinaldi, MC | 1 |
| Bacarizo, S; Camejo, D; Jiménez, A; Martí, MC; Palma, JM; Romojaro, F; Sevilla, F; Vallejo, F | 1 |
| Azzolini, C; Cantoni, O; Fiorani, M; Guidarelli, A | 1 |
| Fry, SC; Parsons, HT; Yasmin, T | 1 |
| Bok, R; Keshari, KR; Kurhanewicz, J; Larson, PE; Vigneron, DB; Wilson, DM | 1 |
| Gupta, DK; Huang, H; Li, T; Tian, S; Yang, XE | 1 |
| Contreras, RA; Dennett, G; González, A; Mellado, M; Moenne, A | 1 |
| Câmara, JS; Castilho, PC; Mendes, B; Spínola, V | 1 |
| De Meulenaer, B; De Smet, S; Doolaege, EH; Moges, HD; Raes, K; Szczepaniak, S; Vossen, E | 1 |
| Dragojevic, I; Ilic, A; Kisic, B; Miric, D; Zoric, L | 1 |
| Acker, CI; Brandão, R; Luchese, C; Nogueira, CW | 1 |
| Chen, H; Chen, Z; Li, H; Li, N; Li, Q; Sun, Q; Tang, B; Wang, X; Xie, Y; Yin, M | 1 |
| Azzolini, C; Cantoni, O; Cerioni, L; Fiorani, M; Guidarelli, A | 2 |
| Gögenur, I; Kücükakin, B; Lykkesfeldt, J; Madsen, MT; Rosenberg, J | 1 |
| Matsumoto, S; Narahara, H; Nishida, Y; Noguchi, T | 1 |
| Abrantes, AM; Botelho, MF; Casalta-Lopes, JE; Gonçalves, AC; Maia, JM; Mamede, AC; Pires, AS; Sarmento-Ribeiro, AB; Tavares, SD | 1 |
| Dikalov, S; May, JM; Nazarewicz, R; Qu, ZC | 1 |
| Hong, IH; Ishigami, A; Jeong, KS; Kang, KK; Kim, AY; Lee, EJ; Lee, EM; Min, CW; Park, JK; Tremblay, JP | 1 |
| Bürzle, M; Hediger, MA | 1 |
| Absalan, G; Arabi, M; Tashkhourian, J | 1 |
| Al-Hasani, H; Corpe, CP; Eck, P; Levine, M; Wang, J | 1 |
| Gregg, EO; Lowe, FJ; Luettich, K | 1 |
| Alves, V; Carvalho, C; Gonçalves, AC; Oliveira, CR; Sarmento-Ribeiro, AB; Silva, T | 1 |
| Kobayashi, K; Rahman, MM; Recuenco, MC; Takeuchi, F; Tsubaki, M | 1 |
| García-Robles, M; Godoy, AS; Godoy, DF; Martínez, F; Nualart, F; Pérez, F; Reinicke, K; Salazar, K; Ulloa, V | 1 |
| Ferrada, LE; García-Robles, MA; Jara, NA; Martínez, F; Nualart, FJ; Pérez, F; Rodríguez, FS; Salazar, KA | 1 |
| Hasselholt, S; Lykkesfeldt, J; Mortensen, A; Tveden-Nyborg, P | 1 |
| Fotopoulos, V; Kanellis, AK | 1 |
| Lőrincz, T; Szarka, A | 1 |
| Hargrove, MS; Wang, X | 1 |
| Bolaños, JP; Cisternas, P; Fernandez, E; Ferrada, L; Martínez, F; Nualart, F; Oyarce, K; Salazar, K; Silva-Alvarez, C | 1 |
| Bartoli, G; Bottega, S; Ciccarelli, D; Forino, LM; Spanò, C | 1 |
| Adolph, M; Biesalski, HK; Duquesne, M; Nohr, D; Rodemeister, S; Unertl, K | 1 |
| Kimura, M; Moteki, H; Natsume, H; Ogihara, M; Uchida, M | 1 |
| Li, H; Liu, TX; Luo, ZB; Peng, CH; Polle, A; Shi, WG | 1 |
| Aguayo, E; Artés, F; Artés-Hernández, F; Conejero, W; Falagán, N; Gómez, PA | 1 |
| Jamroz, J; Mazurek, A | 1 |
| Sakaki, S; Tsuchida, N; Yamabe, S; Yamazaki, S | 1 |
| Bisevac, B; Miric, D; Miric, M; Mitic, NR; Popovic, B; Popovic, LM | 1 |
| Azzolini, C; Cantoni, O; Cerioni, L; Fiorani, M; Guidarelli, A; Scotti, M | 1 |
| Jóźwiak, P; Krześlak, A; Lipińska, A; Wieczorek, M | 1 |
| Fernie, AR; Florian, A; Garchery, C; Gautier, H; Gest, N; Stevens, RG; Truffault, V | 1 |
| Cembrowska-Lech, D; Kępczyński, J | 1 |
| Asara, JM; Bosch, KN; Cantley, LC; Chen, Z; Chio, II; Dow, LE; Elemento, O; Giannopoulou, EG; Gross, SS; Kavalier, A; Lu, C; Muley, A; Mullarky, E; Paik, J; Papadopoulos, N; Pappin, DJ; Rago, C; Rivera, K; Roper, J; Yun, J | 1 |
| Boatright, WL | 1 |
| Frikke-Schmidt, H; Lykkesfeldt, J; Tveden-Nyborg, P | 1 |
| Alam, MM; Fujita, M; Hasanuzzaman, M; Nahar, K | 1 |
| Dillon, PF; Fewins, J; Koch, A; Rhinesmith, T; Root-Bernstein, R | 1 |
| Kawamura, K; Kurokawa, Y; Obitsu, T; Okita, M; Sugino, T; Yamashita, R; Yoshitoshi, R | 1 |
| Leshin, J; Levine, M; Li, H; Niyyati, M; Tu, H; Wang, Y | 1 |
| Spector, R | 1 |
| Alegre, ML; Barrile, F; Bartoli, CG; De Tullio, MC; Gergoff Grozeff, GE; Senn, ME | 1 |
| Bánhegyi, G; Benedetti, A; Callewaert, BL; Chiarelli, N; Colombi, M; Coucke, PJ; Fulceri, R; Gamberucci, A; Gróf, P; Marcolongo, P; Margittai, É; Mészáros, T; Nagy, SK; Németh, CE; Ritelli, M; Willaert, A; Zoppi, N | 1 |
| Bonazzi, C; Courtois, F; Gómez Ruiz, B; Roux, S | 2 |
| Aaby, K; Heide, OM; Martinsen, BK; Remberg, SF; Sønsteby, A; Wold, AB; Woznicki, TL | 1 |
| Deberardinis, RJ; Glass, D; Lee, EE; Sudderth, J; Wang, RC; Yue, Y; Zhang, ZZ; Zia, A | 1 |
| Chapple, IL; Grant, MM; Griffiths, HR; Ling, MR; Milward, MR | 1 |
| Kompe, YO; Sagiroglu, A | 1 |
| Fischer, AP; Miles, SL | 1 |
| Bok, R; Carroll, V; Di Gialleonardo, V; Keshari, KR; Ohliger, MA; Sai, V; Taylor, A; VanCriekinge, M; Von Morze, C; Wang, ZJ; Wilson, DM | 1 |
| Brinster, LR; Levine, M; Li, H; Tu, H; Wang, Y | 1 |
| Amir Shaghaghi, M; Bernstein, CN; Crow, GH; Eck, P; El-Gabalawy, H; Levine, M; Tu, H; Zhouyao, H | 1 |
| Li, F; Shi, Z; Wang, J; Zhong, X | 1 |
| Carroll, VN; Flavell, RR; Keshari, KR; Kurhanewicz, J; Mutch, CA; Qin, H; Sriram, R; Villanueva-Meyer, JE; von Morze, C; Wang, ZJ; Wilson, DM | 1 |
| Bezold, V; Bork, K; Gnanapragassam, VS; Horstkorte, R; Rosenstock, P; Scheffler, J | 1 |
| Dewhirst, RA; Fry, SC | 1 |
| Chen, L; Chen, Z; Wang, H; Zhang, Z | 1 |
| Cunha-Santos, ECE; Godoy, HT; Martínez, J; Neves, DA; Viganó, J | 1 |
| Matsumoto, A; Miyahara, Y; Miyazawa, T | 1 |
| Ferrada, L; Nualart, F; Salazar, K | 1 |
| Baenas, N; Domínguez-Perles, R; García-Viguera, C; Salar, FJ | 1 |
| Hirota, S; Morina, F; Takahama, U | 1 |
| Hori, M; Okazaki, Y; Tanaka, H; Toyokuni, S | 1 |
| Bozonet, SM; Carr, AC | 1 |
| Bonnet, U | 1 |
| Campbell, SJ; Griffiths, PT; Kalberer, M; Lienhard, DM; Paulson, SE; Shen, J; Stell, AC; Utinger, B | 1 |
| Dewhirst, RA; Fry, SC; Mackay, CL; Murray, L; Sadler, IH | 1 |
| Barahona, MJ; Ferrada, L; Nualart, F; Salazar, K; Vandenabeele, P | 1 |
| Carr, AC; Dachs, GU; Dunham, S; Pullar, JM; Vissers, MCM | 1 |
| Nakawa, A; Saitoh, Y; Umezaki, T; Yonekura, N | 1 |
| Bertinat, R; Cifuentes, M; Fernández, M; Forman, K; Godoy, A; Martínez, F; Nualart, F; Salazar, K; Torres, P | 1 |
| Chen, L; Cui, H; Jiang, H; Ni, D; Wang, W; Zhang, J | 1 |
| Churchill, B; Root-Bernstein, R; Turke, M | 1 |
| Chen, W; Tang, J; Tu, X; Zhu, M | 1 |
| Brożyna, AA; Foksinski, M; Linowiecka, K | 1 |
| Echeverría, C; Ferrada, L; Godoy, AS; Nualart, F; Smith, GJ | 1 |
| Escobar, E; Muñoz-Montesino, C; Peña, E; Rivas, CI; Roa, FJ; Sotomayor, K | 1 |
| Castillo, S; Dobón-Suárez, A; García-Pastor, ME; Giménez, MJ; Zapata, PJ | 1 |
| Mazurek, A; Włodarczyk-Stasiak, M | 2 |
| Ferrada, L; Hau, P; Jara, N; Martínez, F; Nualart, F; Oviedo, MJ; Ramírez, E; Ramírez-Carbonell, S; Salazar, K; Tereszczuk, J; Vollmann-Zwerenz, A | 1 |
| Ding, X; Li, C; Li, J; Yan, S | 1 |
| Beghin, AS; Brijs, K; Coppens, E; Delcour, JA; Hooyberghs, K; Ooms, N; Pareyt, B | 1 |
| Burgos, CF; Mardones, L; Rivas, CI; Villagrán, M | 1 |
| Achary, VMM; Arockiasamy, A; Reddy, MK; Sahoo, S; Sonkar, KS | 1 |
42 review(s) available for dehydroascorbic acid and ascorbic acid
| Article | Year |
|---|---|
Ascorbic acid and biological systems. Ascorbic acid and electron transport.
Topics: Animals; Ascorbic Acid; Cytochromes; Dehydroascorbic Acid; Electron Transport; Hydrogen-Ion Concentration; Kinetics; Microsomes, Liver; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Rabbits; Rats; Species Specificity; Swine | 1975 |
Chemistry and metabolism of ascorbic acid and ascorbate sulfate.
Topics: Animals; Arylsulfatases; Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Kinetics; Liver; Structure-Activity Relationship; Sulfuric Acids; X-Ray Diffraction | 1975 |
The antioxidant vitamins.
Topics: Adolescent; Adult; Animals; Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Fatty Acids, Unsaturated; Female; Fertility; Food Analysis; Food Handling; Free Radicals; Hot Temperature; Humans; Inactivation, Metabolic; Leukocytes; Male; Nutritional Requirements; Pregnancy; Sex Factors; Species Specificity; Structure-Activity Relationship; Trace Elements; Vitamin E; Vitamin E Deficiency | 1979 |
Distribution of ascorbic acid, metabolites and analogues in man and animals.
Topics: Adrenal Glands; Animals; Ascorbic Acid; Brain; Dehydroascorbic Acid; Guinea Pigs; Humans; Male; Organ Specificity; Parotid Gland; Pituitary Gland; Species Specificity; Submandibular Gland; Sulfuric Acids; Testis | 1975 |
Synthesis and some major functions of vitamin C in animals.
Topics: Animals; Ascorbic Acid; Aspartic Acid; Biological Evolution; Dehydroascorbic Acid; Diabetes Mellitus; Guinea Pigs; Histamine; Humans; Kidney; Liver; Microsomes; Organ Specificity; Rats; Scurvy; Species Specificity | 1975 |
Tissue-mediated regeneration of ascorbic acid: is the process enzymatic?
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Humans; Oxidation-Reduction; Oxidoreductases | 1992 |
On the antioxidant effects of ascorbic acid and glutathione.
Topics: Amino Acid Sequence; Animals; Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Glutathione; Humans; Molecular Sequence Data; Oxidation-Reduction | 1992 |
Ascorbic acid and dehydroascorbic acid analyses in biological samples.
Topics: Ascorbic Acid; Chromatography, Gas; Chromatography, High Pressure Liquid; Colorimetry; Dehydroascorbic Acid; Drug Stability; Humans; Sensitivity and Specificity; Spectrometry, Fluorescence | 1992 |
Multicompartmental secretion of ascorbate and its dual role in dopamine beta-hydroxylation.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Biological Transport; Chromaffin System; Dehydroascorbic Acid; Dopamine beta-Hydroxylase; Humans; Hypoglycemia; Mixed Function Oxygenases; Multienzyme Complexes; Oxidation-Reduction; Shock | 1991 |
Expanding knowledge of ascorbic acid metabolism.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Oxidoreductases | 1989 |
Ascorbic acid and cancer.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Erythrocytes; Free Radicals; Glutathione; Humans; Leukemia, Lymphoid; Leukemia, Myeloid, Acute; Oxidation-Reduction; Potassium; Sodium | 1987 |
Analyses of vitamin C in biological samples with an emphasis on recent chromatographic techniques.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chemical Phenomena; Chemistry; Chromatography; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Drug Stability; Humans; Indicators and Reagents | 1988 |
Mechanism of ascorbic acid regeneration mediated by cytochrome b561.
Topics: Animals; Ascorbic Acid; Chromaffin Granules; Chromaffin System; Cytochrome b Group; Dehydroascorbic Acid; Dopamine beta-Hydroxylase; Electron Transport; Free Radicals | 1987 |
Ascorbic acid in endocrine systems.
Topics: Adrenal Glands; Animals; Ascorbic Acid; Biological Transport, Active; Cell Compartmentation; Dehydroascorbic Acid; Endocrine Glands; Female; Glucose; Gonads; Humans; Male; Mammals; Pancreas; Pituitary Gland; Primates; Tissue Distribution | 1985 |
Metabolism and function of ascorbic acid and its metabolites.
Topics: Animals; Ascorbic Acid; Biological Transport; Carbon Dioxide; Dehydroascorbic Acid; Free Radicals; Humans; Iron; Mixed Function Oxygenases; Oxidation-Reduction; Plants; Smoking | 1985 |
Oxidation, monosubstitution and industrial synthesis of ascorbic acid. A review.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Esterification; Ethers; Fermentation; Oxidation-Reduction; Structure-Activity Relationship | 1985 |
Elucidation of the biochemical role of ascorbic acid.
Topics: Animals; Ascorbic Acid; Catalysis; Chemical Phenomena; Chemistry; Chick Embryo; Decarboxylation; Dehydroascorbic Acid; Hydroxylation; Hydroxylysine; Hydroxyproline; Ketoglutaric Acids; Lysine; Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase; Procollagen-Proline Dioxygenase; Proline | 1984 |
Modulation of the effects of tumor therapeutic agents by vitamin C.
Topics: Animals; Antineoplastic Agents; Ascorbic Acid; Copper; Dehydroascorbic Acid; Drug Interactions; Free Radicals; Humans; Hydrogen Peroxide; Hypoxia; Immunity | 1980 |
Transport of vitamin C in animal and human cells.
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Biological Transport; Carrier Proteins; Dehydroascorbic Acid; Diffusion; Glucose; Glucose Transporter Type 1; Humans; Monosaccharide Transport Proteins; Nutritional Requirements; Organ Specificity; Oxidation-Reduction; Sodium; Species Specificity; Stereoisomerism | 1994 |
Ascorbate system in plant development.
Topics: Amaryllidaceae Alkaloids; Ascorbate Peroxidases; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Hydrogen Peroxide; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Oxidative Stress; Peroxidases; Phenanthridines; Plant Development; Plant Proteins; Procollagen-Proline Dioxygenase | 1994 |
Analysis of ascorbic acid, dehydroascorbic acid, and transformation products by ion-pairing high-performance liquid chromatography with multiwavelength ultraviolet and electrochemical detection.
Topics: Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Spectrophotometry, Ultraviolet | 1997 |
Ascorbate metabolism and its regulation in animals.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Evolution, Molecular; Humans; In Vitro Techniques; Liver | 1997 |
Ascorbate function and metabolism in the human erythrocyte.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Ferricyanides; Glutathione; Humans; Lipid Peroxides; Oxidation-Reduction; Oxidative Stress | 1998 |
Transport and action of ascorbate at the plant plasma membrane.
Topics: Ascorbic Acid; Biological Transport; Carrier Proteins; Cell Membrane; Dehydroascorbic Acid; Oxidation-Reduction; Plants | 2000 |
A radical approach to stroke therapy.
Topics: Animals; Antioxidants; Ascorbic Acid; Brain Ischemia; Dehydroascorbic Acid; Humans; Stroke | 2001 |
The physiological role of dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Diabetes Mellitus; Humans; Inflammation; Oxidation-Reduction; Reperfusion Injury; Sepsis | 2002 |
Role of ascorbate in oxidative protein folding.
Topics: Animals; Antioxidants; Ascorbic Acid; Bacteria; Biological Transport; Dehydroascorbic Acid; Disulfides; Electron Transport; Endoplasmic Reticulum; Free Radicals; Microsomes, Liver; Oxidation-Reduction; Protein Folding; Sulfhydryl Compounds; Yeasts | 2003 |
[THE OXIDATION-REDUCTION SYSTEM; ASCORBIC ACID, DEHYDROASCORBIC ACID UNDER NORMAL CONDITIONS AND AFTER IRRADIATION].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Metabolism; Oxidation-Reduction; Radiation Effects | 1963 |
Hopes, disillusions and more hopes from vitamin C.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Humans; Oxidation-Reduction; Plant Physiological Phenomena | 2004 |
Vitamin C: basic metabolism and its function as an index of oxidative stress.
Topics: Animals; Apoptosis; Arteriosclerosis; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Food; Humans; In Vitro Techniques; Lipid Peroxides; Mice; Molecular Structure; Organ Specificity; Oxidative Stress; Rats; Reactive Oxygen Species; Vitamin E | 2004 |
Regulation of vitamin C transport.
Topics: Animals; Ascorbic Acid; Biological Transport; Biological Transport, Active; Dehydroascorbic Acid; Diffusion; Homeostasis; Humans; Organic Anion Transporters, Sodium-Dependent; Sodium-Coupled Vitamin C Transporters; Symporters | 2005 |
Dehydroascorbic acid as an anti-cancer agent.
Topics: Animals; Antineoplastic Agents; Ascorbic Acid; Dehydroascorbic Acid; Homocysteine; Humans; Methionine; Mice; Neoplasms | 2008 |
[Oxidative stress is exacerbated in diabetic patients during cardiopulmonary bypass].
Topics: Aged; Ascorbic Acid; Cardiopulmonary Bypass; Dehydroascorbic Acid; Diabetes Mellitus, Type 2; Electron Spin Resonance Spectroscopy; Female; Glycated Hemoglobin; Heart Valve Prosthesis Implantation; Humans; Hyperglycemia; Interleukin-8; Male; Middle Aged; Oxidative Stress | 2008 |
Transplasma membrane electron transport comes in two flavors.
Topics: Ascorbic Acid; Cell Line, Tumor; Cell Membrane; Dehydroascorbic Acid; Electron Transport; Humans; Iron; Models, Biological; NADH, NADPH Oxidoreductases; Oxidation-Reduction | 2008 |
Cellular pathways for transport and efflux of ascorbate and dehydroascorbate.
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Cell Membrane; Dehydroascorbic Acid; Glucose Transport Proteins, Facilitative; Humans; Ion Channels; Models, Biological; Neoplasms; Organic Anion Transporters, Sodium-Dependent; Oxidation-Reduction; Symporters | 2010 |
Functional and physiological role of vitamin C transporters.
Topics: Amino Acid Sequence; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Humans; Kinetics; Molecular Sequence Data; Sodium-Coupled Vitamin C Transporters | 2012 |
Lung cancer biomarkers for the assessment of modified risk tobacco products: an oxidative stress perspective.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Aldehydes; Ascorbic Acid; Biomarkers; Carotenoids; Dehydroascorbic Acid; Deoxyguanosine; F2-Isoprostanes; Humans; Lung Neoplasms; Oxidative Stress; Risk; Smoking; Thymidine; Tobacco Products; Tobacco Smoke Pollution | 2013 |
[Cellular and intracellular transport of vitamin C. The physiologic aspects].
Topics: Antioxidants; Ascorbic Acid; Biological Transport; Cell Membrane; Dehydroascorbic Acid; Endoplasmic Reticulum; Glucose Transporter Type 1; Glucose Transporter Type 3; Glucose Transporter Type 4; Humans; Intestinal Absorption; Mitochondria; Sodium-Coupled Vitamin C Transporters; Vitamins | 2013 |
Metabolic control by dehydroascorbic acid: Questions and controversies in cancer cells.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Humans; Neoplasms; Oxidation-Reduction | 2019 |
Vitamin C Transporters and Their Implications in Carcinogenesis.
Topics: Ascorbic Acid; Basic Helix-Loop-Helix Transcription Factors; Brain Neoplasms; Breast Neoplasms; Carcinogenesis; Dehydroascorbic Acid; Dioxygenases; DNA Methylation; DNA-Binding Proteins; Epigenesis, Genetic; Female; Glioma; Glucose Transport Proteins, Facilitative; Hematologic Neoplasms; Homeostasis; Humans; Hypoxia-Inducible Factor 1; Ketoglutaric Acids; Male; Melanoma; Mixed Function Oxygenases; Neoplasms; Oxidation-Reduction; Polymorphism, Genetic; Prostatic Neoplasms; Proto-Oncogene Proteins; Sodium-Coupled Vitamin C Transporters; Vitamins | 2020 |
Hexose Transporters in Cancer: From Multifunctionality to Diagnosis and Therapy.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Glucose; Hexoses; Humans; Monosaccharide Transport Proteins; Neoplasms | 2021 |
Transport of Vitamin C in Cancer.
Topics: Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Glucose Transport Proteins, Facilitative; Humans; Mitochondria; Neoplasms; Sodium-Coupled Vitamin C Transporters | 2021 |
7 trial(s) available for dehydroascorbic acid and ascorbic acid
| Article | Year |
|---|---|
Deficient transport of dehydroascorbic acid in the glucose transporter protein syndrome.
Topics: Adult; Ascorbic Acid; Blood-Brain Barrier; Child; Dehydroascorbic Acid; Erythrocytes; Female; Humans; Male; Middle Aged; Monosaccharide Transport Proteins; Oxidation-Reduction; Syndrome | 1998 |
Antioxidant status, erythrocyte membrane lipid peroxidation and osmotic fragility in malignant lymphoma patients.
Topics: Adult; Antineoplastic Agents; Antioxidants; Ascorbic Acid; Case-Control Studies; Catalase; Dehydroascorbic Acid; Erythrocyte Membrane; Female; Humans; Leukocytes; Lipid Peroxidation; Lymphoma; Male; Malondialdehyde; Osmotic Fragility; Oxidative Stress; Superoxide Dismutase | 2000 |
Vitamin E supplementation does not increase the vitamin C radical concentration at rest and after exhaustive exercise in healthy male subjects.
Topics: Adult; alpha-Tocopherol; Antioxidants; Ascorbic Acid; Chromatography, High Pressure Liquid; Cross-Over Studies; Dehydroascorbic Acid; Dietary Supplements; Free Radical Scavengers; Free Radicals; Humans; Kinetics; Male; Oxidation-Reduction; Oxidative Stress; Physical Exertion; Vitamin E | 2003 |
Evaluation of a sunscreen photoprotective effect by ascorbic acid assessment in human dermis using microdialysis and gas chromatography mass spectrometry.
Topics: Adult; Ascorbic Acid; Benzophenones; Butyrates; Camphor; Chalcones; Dehydroascorbic Acid; Dermis; Drug Combinations; Erythema; Female; Gas Chromatography-Mass Spectrometry; Humans; Microdialysis; Ointments; Osmolar Concentration; Oxalic Acid; Skin; Sunscreening Agents; Ultraviolet Rays; Xylose | 2005 |
Vitamin C activity of dehydroascorbic acid in humans--association between changes in the blood vitamin C concentration or urinary excretion after oral loading.
Topics: Administration, Oral; Ascorbic Acid; Cross-Over Studies; Dehydroascorbic Acid; Female; Humans; Vitamins; Young Adult | 2008 |
No effect of melatonin to modify surgical-stress response after major vascular surgery: a randomised placebo-controlled trial.
Topics: Administration, Oral; Adolescent; Adult; Aged; Aged, 80 and over; Analysis of Variance; Ascorbic Acid; Biomarkers; C-Reactive Protein; Chi-Square Distribution; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Double-Blind Method; Female; Humans; Inflammation; Infusions, Intravenous; Male; Malondialdehyde; Melatonin; Middle Aged; Oxidative Stress; Placebos; Statistics, Nonparametric; Treatment Outcome; Vascular Surgical Procedures | 2010 |
Oxidative stress response after laparoscopic versus conventional sigmoid resection: a randomized, double-blind clinical trial.
Topics: Aged; Aged, 80 and over; Analysis of Variance; Ascorbic Acid; Biomarkers; Colon, Sigmoid; Dehydroascorbic Acid; Diverticulosis, Colonic; Double-Blind Method; Female; Humans; Laparoscopy; Male; Malondialdehyde; Middle Aged; Oxidative Stress; Postoperative Complications; Prospective Studies; Sigmoid Neoplasms; Treatment Outcome | 2012 |
805 other study(ies) available for dehydroascorbic acid and ascorbic acid
| Article | Year |
|---|---|
Dehydroascorbate uptake and reduction by human blood neutrophils, erythrocytes, and lymphocytes.
Topics: Ascorbic Acid; Biological Transport; Blood Cell Count; Dehydroascorbic Acid; Erythrocytes; Humans; Kinetics; Lymphocytes; NADP; Neutrophils; Oxidation-Reduction | 1975 |
The membrane transport of ascorbic acid.
Topics: Adult; Ascorbic Acid; Biological Transport, Active; Carbon Monoxide; Cell Membrane; Ceruloplasmin; Copper; Dehydroascorbic Acid; Erythrocyte Aging; Erythrocytes; Glucose; Hexoses; Humans; Hydrogen-Ion Concentration; Kinetics; Male; Pentoses | 1975 |
Conversion of dehydroascorbic acid to a branched hexaric acid in neutral and alkaline aqueous solution.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Kinetics; Mass Spectrometry; Sugar Acids | 1976 |
Effect of organic mercurials and sulfhydryl compounds on the urease activity of Proteus: inhibition by urine and ascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Dogs; Ethacrynic Acid; Humans; Hydrogen-Ion Concentration; Male; Organomercury Compounds; Penicillamine; Proteus mirabilis; Sulfhydryl Compounds; Urease; Urine | 1976 |
Volatile degradation products of l-dehydroascorbic acid.
Topics: Acetates; Ascorbic Acid; Dehydroascorbic Acid; Furaldehyde; Furans; Hydrogen-Ion Concentration; Pyrones; Temperature | 1976 |
Toxicity, radiation sensitivity modification, and metabolic effects of dehydroascorbate and ascorbate in mammalian cells.
Topics: Aerobiosis; Animals; Ascorbic Acid; Carcinoma, Ehrlich Tumor; Cell Line; Cell Survival; Cricetinae; Dehydroascorbic Acid; Diamide; Ethylmaleimide; In Vitro Techniques; Mice; NADP; Radiation-Sensitizing Agents; Sulfhydryl Compounds | 1978 |
Redox modulation of splenic cell soluble guanylate cyclase activity: activation by hydrophilic and hydrophobic oxidants represented by ascorbic and dehydroascorbic acids, fatty acid hydroperoxides, and prostaglandin endoperoxides.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Fatty Acids; Guanylate Cyclase; Guinea Pigs; In Vitro Techniques; Male; Oxidation-Reduction; Peroxides; Prostaglandin Endoperoxides; Solubility; Spleen; Water | 1978 |
Effects of ascorbic acid and sodium ascorbate on cyclic nucleotide metabolism in human lymphocytes.
Topics: 2',3'-Cyclic-Nucleotide Phosphodiesterases; Ascorbic Acid; Cyclic GMP; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Guanylate Cyclase; Humans; Lectins; Lymphocyte Activation; Lymphocytes; Prostaglandins; Structure-Activity Relationship; T-Lymphocytes | 1979 |
Ascorbic acid modulation of splenic cell cyclic GMP metabolism.
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Cyclic GMP; Cysteine; Dehydroascorbic Acid; Dithiothreitol; Guanylate Cyclase; Guinea Pigs; Spleen; Time Factors | 1979 |
Effects of reducing and oxidizing agents on the action of bleomycin.
Topics: Ascorbic Acid; beta-Aminoethyl Isothiourea; Bleomycin; Borohydrides; Cations, Divalent; Dehydroascorbic Acid; Dithiothreitol; DNA, Bacterial; Escherichia coli; Hydrogen Peroxide; Hydrogen-Ion Concentration; Mercaptoethanol; Oxidation-Reduction; Oxygen; Thymidine | 1975 |
Effect of flavonoids on vitamin C activity of D-isoascorbic acid.
Topics: Adrenal Glands; Animals; Ascorbic Acid; Brain; Catechin; Dehydroascorbic Acid; Female; Flavonoids; Guinea Pigs; Intestine, Small; Liver; Male; Rutin; Spleen; Stereoisomerism | 1979 |
Periodate degradation of labeled ascorbic acid.
Topics: Ascorbic Acid; Carbon Radioisotopes; Dehydroascorbic Acid; Formates; Methods; Oxalates; Oxidation-Reduction; Periodic Acid | 1976 |
Ascorbic acid and dehydroascorbic acid in HeLa cells: their effect on the collagen-peptidase activity of glucose-deficient cultures.
Topics: Acid Phosphatase; Ascorbic Acid; Dehydroascorbic Acid; Glucose; HeLa Cells; Microbial Collagenase; Neoplasms | 1978 |
The uptake of ascorbic acid and dehydroascorbic acid by chromaffin granules of the adrenal medulla.
Topics: Adenosine Triphosphate; Adrenal Medulla; Animals; Ascorbic Acid; Cattle; Cell Fractionation; Centrifugation, Density Gradient; Chromaffin Granules; Chromaffin System; Cytochrome c Group; Dehydroascorbic Acid; In Vitro Techniques; Temperature | 1979 |
An ascorbate-mediated transmembrane-reducing system of the human erythrocyte.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocyte Membrane; Erythrocytes; Ferricyanides; Glyceraldehyde-3-Phosphate Dehydrogenases; Glycolysis; Humans; In Vitro Techniques; NAD; Oxidation-Reduction | 1979 |
Increased intracellular cyclic GMP does not correlate with protein discharge from pancreatic acinar cells.
Topics: Animals; Ascorbic Acid; Cyclic GMP; Dehydroascorbic Acid; Guinea Pigs; Hydroxylamines; Methylnitronitrosoguanidine; Methylnitrosourea; Nitroprusside; Pancreas; Proteins; Sodium Nitrite; Tetradecanoylphorbol Acetate | 1979 |
Uptake of ascorbic acid by human leukocytes under normal & leukemic conditions.
Topics: Adolescent; Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Leukemia, Myeloid; Leukocytes; Male; Middle Aged | 1977 |
Cell survival in V79 multicell spheroids treated with dehydroascorbate, 5-thio-D-glucose and 2-deoxy-D-glucose.
Topics: Ascorbic Acid; Cell Survival; Cells, Cultured; Dehydroascorbic Acid; Deoxy Sugars; Deoxyglucose; Glucose; Oxygen | 1978 |
Compartmentation of redox metabolites in the anterior eye segment?
Topics: Animals; Anterior Chamber; Aqueous Humor; Ascorbic Acid; Cattle; Cornea; Dehydroascorbic Acid; Glutathione | 1977 |
Inhibition effect of dehydroascorbic acid on insulin secretion from mouse pancreatic islets.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Glucose; Insulin; Insulin Antibodies; Insulin Secretion; Islets of Langerhans; Male; Mice; Time Factors; Tolbutamide | 1979 |
Stimulation of thiamine diphosphatase activity by ascorbic acid in rat brain microsomes.
Topics: Animals; Ascorbic Acid; Brain; Dehydroascorbic Acid; Enzyme Activation; Glutathione; In Vitro Techniques; Male; Membrane Lipids; Microsomes; Peroxides; Pyrophosphatases; Rats; Thiamine Pyrophosphatase | 1979 |
Ascorbic acid and dehydroascorbic acid in breast milk of Thai mothers.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Milk, Human; Pregnancy; Thailand | 1979 |
Absorption of vitamin C from the human buccal cavity.
Topics: Absorption; Adult; Ascorbic Acid; Biological Transport; Calcium; Dehydroascorbic Acid; Female; Glucose; Humans; Male; Middle Aged; Mouth Mucosa; Sodium | 1979 |
Long-term vitamin status and dietary intake of healthy elderly subjects. 2. Vitamin C.
Topics: Aged; Ascorbic Acid; Creatinine; Dehydroascorbic Acid; Diet; Female; Food, Fortified; Humans; Hydroxyproline; Leukocytes; Male; Nutritional Physiological Phenomena; Proline | 1979 |
[The amount of L-dehydroascorbic acid on total-vitamin C of vegetable products (author's transl)].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Food Analysis; Food Handling; Plants, Edible | 1979 |
Estimation of dehydroascorbic acid in blood of diabetic patients.
Topics: Ascorbic Acid; Chromatography, Thin Layer; Dehydroascorbic Acid; Diabetes Mellitus; Humans; Reference Values; Spectrophotometry | 1979 |
Degradation of ascorbic acid (vitamin C) in iron-supplemented cows' milk.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Cattle; Chromatography, Ion Exchange; Dehydroascorbic Acid; Female; Food, Fortified; Iron; Milk | 1979 |
Maternal-fetal transfer of ascorbic acid in the guinea pig.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Female; Fetal Blood; Guinea Pigs; Maternal-Fetal Exchange; Placenta; Pregnancy | 1979 |
Dehydroascorbic acid reduction in human erythrocytes.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucosephosphate Dehydrogenase; Glutathione; Humans; Kinetics; Oxidation-Reduction | 1979 |
Uptake of L-ascorbic acid and L-dehydroascorbic acid by human erythrocytes and HeLa cells.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Ethylmaleimide; Glutathione; HeLa Cells; Humans; In Vitro Techniques | 1979 |
Ascorbic acid status of hyperthyroid patients.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Hyperthyroidism; Thyroid Gland | 1977 |
Some studies on ascorbic acid metabolism in hydrazine-treated rats.
Topics: Alcohol Oxidoreductases; Animals; Ascorbic Acid; Dehydroascorbatase; Dehydroascorbic Acid; Esterases; Glucuronates; Hydrazines; Lactones; Lethal Dose 50; Liver; Male; Rats | 1978 |
Testicular delta5-3beta-hydroxysteroid dehydrogenase, ascorbic acid and dehydroascorbic acid in actinomycin D-treated toads.
Topics: 3-Hydroxysteroid Dehydrogenases; Animals; Ascorbic Acid; Bufonidae; Dactinomycin; Dehydroascorbic Acid; Male; Testis | 1978 |
Effect of reductones on glyoxalase I1.
Topics: Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Kinetics; Lactoylglutathione Lyase; Liver; Lyases; Oxidation-Reduction; Phenols; Quinones; Saccharomyces cerevisiae; Species Specificity; Structure-Activity Relationship | 1976 |
Ascorbic acid stimulates chloride transport in the amphibian cornea.
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Bufo marinus; Chlorides; Cornea; Dehydroascorbic Acid; In Vitro Techniques; Membrane Potentials; Sodium | 1975 |
Determination of L-ascorbic acid levels in culture medium: concentrations in commercial media and maintenance of levels under conditions of organ culture.
Topics: Ascorbic Acid; Culture Media; Dehydroascorbic Acid; Methods; Organ Culture Techniques; Temperature | 1977 |
Leukocyte ascorbate and glutathione: potential capacity for inactivating oxidants and free radicals.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Peroxidase; Glutathione Reductase; Granulocytes; Humans; Leukocytes; Lymphocytes; Oxidation-Reduction | 1977 |
[On the mechanism of ascorbic acid induced methemoglobin reduction of human erythrocytes (author's transl)].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose; Glutathione; Humans; In Vitro Techniques; Methemoglobin; Methemoglobinemia; Oxidation-Reduction | 1977 |
Stability of vitamin C (ascorbic acid) in tablets.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Drug Stability; Drug Storage; Lactose; Oxalates; Sodium; Spectrophotometry, Infrared; Tablets; Temperature; Time Factors | 1976 |
Automated fluorometric method for determination of total vitamin C in food products.
Topics: Ascorbic Acid; Autoanalysis; Beverages; Dehydroascorbic Acid; Food Analysis; Meat; Methods; Microchemistry; Spectrometry, Fluorescence | 1976 |
Effects of tetraacetyl-bis-dehydroascorbic acid, a derivative of ascorbic acid, on Ehrlich cells and HeLa cells (human carcinoma cells).
Topics: Animals; Ascorbic Acid; Body Weight; Carcinoma, Ehrlich Tumor; Dehydroascorbic Acid; HeLa Cells; Humans; Lethal Dose 50; Mice | 1976 |
Regulation of glucose transport in chick fibroblasts: bicarbonate, lactate and ascorbic acid.
Topics: Animals; Ascorbic Acid; Bicarbonates; Biological Transport, Active; Cell Line; Chick Embryo; Culture Techniques; Dehydroascorbic Acid; Fibroblasts; Glucose; Lactates; Methylene Blue; Methylglucosides | 1976 |
Current status of vitamin C and future horizons.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Diet; Female; Forecasting; Humans; Nutritional Requirements; Pregnancy | 1975 |
Transient water free radicals in oxidation--reduction reactions.
Topics: Ascorbic Acid; Catalysis; Dehydroascorbic Acid; Drug Stability; Free Radicals; Hydroxylation; Ions; Iron; Light; Oxidation-Reduction; Water | 1975 |
The measurement of dehydroascorbic acid and diketogulonic acid in normal and diabetic plasma.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Colorimetry; Dehydroascorbic Acid; Diabetes Mellitus; Female; Homocysteine; Humans; Light; Male; Methylene Blue; Nitro Compounds; Phenylhydrazines; Sugar Acids | 1975 |
Ascorbate and phagocyte function.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Carbon Dioxide; Carbon Radioisotopes; Dehydroascorbic Acid; Guinea Pigs; Humans; Hydrogen Peroxide; Neutrophils; Phagocytosis; Scurvy | 1975 |
[Metabolism of L-ascorbic, L-dehydroascorbic and 2,3-diketo-L-gulonic acids during a short duration fast in guinea pigs].
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Dehydroascorbic Acid; Fasting; Female; Guinea Pigs; Kidney; Liver; Male; Stereoisomerism; Sugar Acids; Time Factors | 1975 |
[The structure of dehydroascorbic acid in water solution].
Topics: Ascorbic Acid; Chromatography, Gas; Dehydroascorbic Acid; Lactones; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Conformation; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet | 1975 |
Metabolism of ascorbic acid.
Topics: Absorption; Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Female; Half-Life; Humans; Intestinal Absorption; Isomerism; Male; Species Specificity; Stereoisomerism; Structure-Activity Relationship | 1975 |
[Proceedings: Influence of phospholipids and membrane structure on enzyme activity of NADH: mondehydroascorbate oxidoreductase].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Membranes; Microsomes; NADH, NADPH Oxidoreductases; Phospholipids; Polyethylene Glycols | 1975 |
[Simplification of the dinitrophenylhydrazine method for the photometric determination of ascorbic acid and dehydroascorbic acid in fruit juices. I. Application to juice of black current (author's transl)].
Topics: Ascorbic Acid; Beverages; Dehydroascorbic Acid; Fruit; Hydrazines; Methods; Photometry | 1975 |
In vitro effects of ascorbic acid and dehydroascorbic acid on diphosphopyridine nucleotide diaphorase in toad testis.
Topics: Animals; Ascorbic Acid; Bufonidae; Dehydroascorbic Acid; Dihydrolipoamide Dehydrogenase; Hydroxysteroid Dehydrogenases; Male; Testis | 1976 |
The effects of cortical ablation on d-amphetamine-induced changes in striatal dopamine turnover and ascorbic acid catabolism in the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Ascorbic Acid; Cerebral Cortex; Chromatography, High Pressure Liquid; Corpus Striatum; Dehydroascorbic Acid; Dextroamphetamine; Dopamine; In Vitro Techniques; Male; Motor Activity; Rats; Rats, Wistar; Stereotyped Behavior; Synaptosomes | 1992 |
Unequivocal evidence in support of the nonenzymatic redox coupling between glutathione/glutathione disulfide and ascorbic acid/dehydroascorbic acid.
Topics: Ascorbic Acid; Colorimetry; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Oxidation-Reduction; Spectrophotometry, Ultraviolet | 1992 |
An investigation of the relationship between free radical activity and vitamin C metabolism in elderly diabetic subjects with retinopathy.
Topics: Aged; Ascorbic Acid; Cholesterol; Dehydroascorbic Acid; Diabetic Retinopathy; Free Radicals; Humans; Middle Aged; Triglycerides | 1992 |
Ascorbic acid status in uremics.
Topics: Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Eating; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Renal Dialysis; Uremia | 1992 |
Ascorbic acid bioavailability in humans. Ascorbic acid in plasma, serum, and urine.
Topics: Ascorbic Acid; Biological Availability; Dehydroascorbic Acid; Female; Humans; Protein Binding; Time Factors; Ultrafiltration | 1992 |
Selective inactivation of the hydroxylase activity of bifunctional rat peptidylglycine alpha-amidating enzyme.
Topics: Amino Acid Sequence; Animals; Antioxidants; Ascorbic Acid; Catechols; Cell Line; Dehydroascorbic Acid; Hydrogen Peroxide; Hydrolases; Kinetics; Mice; Mixed Function Oxygenases; Molecular Sequence Data; Multienzyme Complexes; Oligopeptides; Rats; Recombinant Proteins; Thyroid Neoplasms; Transfection | 1992 |
Use of homocysteine to stabilise ascorbic acid, or to reduce dehydroascorbic acid, during HPLC separation of large volumes of tissue extracts.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Homocysteine; Oxidation-Reduction | 1992 |
Ascorbate-mediated transmembrane electron transport and ascorbate uptake in leukemic cell lines are two different processes.
Topics: Ascorbic Acid; Biological Transport; Cell Membrane; Culture Media; Dehydroascorbic Acid; Electron Transport; Ferricyanides; Humans; Kinetics; Leukemia, Erythroblastic, Acute; Lymphoma, Large B-Cell, Diffuse; Oxidation-Reduction; Tumor Cells, Cultured | 1992 |
The effect of ascorbate supplementation on oxidative stress in the streptozotocin diabetic rat.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Free Radicals; Insulin; Iron; Lipid Peroxidation; Male; Oxidation-Reduction; Rats; Stress, Physiological | 1992 |
Concerted proton-electron transfer between ascorbic acid and cytochrome b561.
Topics: Ascorbic Acid; Biological Transport; Cytochrome b Group; Dehydroascorbic Acid; Electron Transport; Homeostasis; Hydrogen-Ion Concentration; Kinetics; Oxidation-Reduction; Protons | 1991 |
A spectrophotometric assay for chlorine-containing compounds.
Topics: Ascorbic Acid; Chloramines; Chlorides; Dehydroascorbic Acid; Humans; Hydrocarbons, Chlorinated; Hypochlorous Acid; Microchemistry; Neutrophils; Oxidation-Reduction; Spectrophotometry, Ultraviolet | 1991 |
The effect of cyanide on vitamin C uptake by human polymorphonuclear leukocytes.
Topics: Animals; Ascorbic Acid; Azides; Cyanides; Cytochalasin B; Dehydroascorbic Acid; Glutathione; Humans; In Vitro Techniques; Neutrophils; Oxidative Phosphorylation; Rabbits; Sodium Azide | 1991 |
Anoxia-resistant turtle brain maintains ascorbic acid content in vitro.
Topics: Animals; Ascorbic Acid; Brain; Cerebellum; Dehydroascorbic Acid; Disease Susceptibility; Extracellular Space; Female; Hypoxia; In Vitro Techniques; Male; Osmolar Concentration; Reference Values; Turtles | 1991 |
Further investigations into the relationship between the dopaminergic system, ascorbic acid and uric acid in the rat striatum.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Apomorphine; Ascorbic Acid; Body Temperature; Corpus Striatum; Dehydroascorbic Acid; Dopamine; Male; Motor Activity; Oxidation-Reduction; Pilocarpine; Rats; Rats, Inbred Strains; Scopolamine; Stereotyped Behavior; Uric Acid | 1991 |
Simultaneous high-performance liquid chromatographic determination of ascorbic acid and dehydroascorbic acid in biological samples.
Topics: Animals; Ascorbic Acid; Brain Chemistry; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans | 1991 |
Assay for both ascorbic and dehydroascorbic acid in dairy foods by high-performance liquid chromatography using precolumn derivatization with methoxy- and ethoxy-1,2-phenylenediamine.
Topics: Animals; Ascorbic Acid; Cattle; Cheese; Chromatography, High Pressure Liquid; Dairy Products; Dehydroascorbic Acid; Indicators and Reagents; Milk; Phenylenediamines; Spectrometry, Fluorescence; Yogurt | 1991 |
Disturbed handling of ascorbic acid in diabetic patients with and without microangiopathy during high dose ascorbate supplementation.
Topics: Administration, Oral; Aged; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus, Type 2; Diabetic Angiopathies; Diabetic Retinopathy; Female; Fructosamine; Hexosamines; Humans; Male; Reference Values | 1991 |
Ascorbic acid and dehydroascorbic acid measurements in human plasma and serum.
Topics: Adult; Ascorbic Acid; Blood Proteins; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electrochemistry; Female; Humans; Male; Middle Aged; Oxidation-Reduction; Protein Binding; Ultrafiltration | 1991 |
Comparison of the anti-scorbutic activity of L-ascorbic acid and Ester C in the non-ascorbate synthesizing Osteogenic Disorder Shionogi (ODS) rat.
Topics: Animals; Ascorbic Acid; Body Weight; Dehydroascorbic Acid; Drug Combinations; Random Allocation; Rats; Rats, Mutant Strains; Scurvy; Threonine | 1991 |
The glycation-associated crosslinking of lens proteins by ascorbic acid is not mediated by oxygen free radicals.
Topics: Animals; Ascorbic Acid; Cattle; Crystallins; Dehydroascorbic Acid; Electrophoresis, Polyacrylamide Gel; Free Radical Scavengers; Oxygen; Protein Binding; Protein Denaturation | 1991 |
Ascorbic acid in human neutrophils.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Extracellular Space; Glucose; Humans; Intracellular Membranes; Neutrophils; Osmolar Concentration; Regression Analysis; Temperature; Time Factors; Tissue Distribution | 1991 |
Mechanisms of ascorbic acid-induced inhibition of chemical transformation in C3H/10T1/2 cells.
Topics: Animals; Ascorbic Acid; Cell Line; Cell Transformation, Neoplastic; Dehydroascorbic Acid; Methylcholanthrene; NAD; Oxidation-Reduction | 1991 |
Effect of combined ascorbic acid and B-12 on survival of mice with implanted Ehrlich carcinoma and L1210 leukemia.
Topics: Animals; Ascorbic Acid; Carcinoma, Ehrlich Tumor; Dehydroascorbic Acid; Drug Combinations; Female; Leukemia, Experimental; Mice; Mice, Inbred ICR; Neoplasm Transplantation; Survival Analysis; Vitamin B 12 | 1991 |
Ascorbate in the treatment of experimental transplanted melanoma.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Female; Levodopa; Lung Neoplasms; Male; Malondialdehyde; Melanoma, Experimental; Mice; Neoplasm Transplantation | 1991 |
Ascorbic and dehydroascorbic acid measurement in human serum and plasma.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Drug Stability; Evaluation Studies as Topic; Humans; Methods; Reference Values; Time Factors | 1991 |
Characterization of ascorbic acid uptake by isolated rat kidney cells.
Topics: Adenosine Triphosphate; Animals; Ascorbic Acid; Biological Transport; Carbon Radioisotopes; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Cell Separation; Centrifugation, Density Gradient; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Glucose; Hydrogen-Ion Concentration; Kidney; Kinetics; Male; Ouabain; Rats; Sodium | 1991 |
Ascorbate- and dehydroascorbic acid-mediated reduction of free radicals in the human erythrocyte.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Free Radicals; Glutathione; Humans; Kinetics; Oxidation-Reduction | 1991 |
Ascorbate is regenerated by HL-60 cells through the transplasmalemma redox system.
Topics: Ascorbic Acid; Cell Count; Cell Division; Cell Line; Cell Membrane; Concanavalin A; Dehydroascorbic Acid; Ferricyanides; Free Radicals; Humans; Kinetics; Lactates; Lactic Acid; NAD; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Oxygen Consumption; Wheat Germ Agglutinins | 1991 |
Effects of smoking and vitamin E on blood antioxidant status.
Topics: Adult; Antioxidants; Ascorbic Acid; Catalase; Ceruloplasmin; Cholesterol; Dehydroascorbic Acid; Erythrocytes; Free Radicals; Glucosephosphate Dehydrogenase; Glutathione; Glutathione Peroxidase; Humans; Male; Middle Aged; Random Allocation; Smoking; Superoxide Dismutase; Uric Acid; Vitamin E | 1991 |
Transport of ascorbic acid and dehydroascorbic acid by pancreatic islet cells from neonatal rats.
Topics: Animals; Animals, Newborn; Ascorbic Acid; Biological Transport; Cytoplasmic Granules; Dehydroascorbic Acid; Glucocorticoids; Glucose; In Vitro Techniques; Ions; Islets of Langerhans; Metals; Rats; Rats, Inbred Strains | 1991 |
Analysis of the mechanism of d-amphetamine-and apomorphine-induced changes of ascorbic acid catabolism in discrete brain areas of the rat.
Topics: Animals; Apomorphine; Ascorbic Acid; Brain Chemistry; Corpus Striatum; Dehydroascorbic Acid; Dextroamphetamine; Haloperidol; Hypothalamus; Male; Rats; Rats, Inbred Strains | 1991 |
Ascorbic acid uptake and metabolism by corneal endothelium.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Biological Transport; Cattle; Cells, Cultured; Culture Media; Cyanides; Dehydroascorbic Acid; Endothelium, Corneal; Iodoacetamide; Ouabain | 1991 |
Problems with the quantitative analysis of dehydroascorbic acid and ascorbic acid in plasma by h.p.l.c.
Topics: Ascorbic Acid; Blood Chemical Analysis; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Pancreatitis | 1990 |
Ascorbic acid metabolism in protection against free radicals: a radiation model.
Topics: Animals; Ascorbic Acid; Colon; Cytosol; Dehydroascorbic Acid; Free Radicals; Humans; Hydroxides; Hydroxyl Radical; Intestinal Mucosa; Kinetics; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Rats; Rats, Inbred Strains | 1990 |
Ascorbic and dehydroascorbic acids measured in plasma preserved with dithiothreitol or metaphosphoric acid.
Topics: Ascorbic Acid; Blood Preservation; Dehydroascorbic Acid; Dithiothreitol; Drug Stability; Humans; Phosphorous Acids; Reproducibility of Results; Temperature | 1990 |
Spontaneous decay of oxidized ascorbic acid (dehydro-L-ascorbic acid) evaluated by high-pressure liquid chromatography.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Drug Stability; Hydrogen-Ion Concentration; Oxidation-Reduction; Sugar Acids; Temperature | 1990 |
The role of vitamin E in the hepatotoxicity by glutathione depleting agents.
Topics: 1-Propanol; Animals; Ascorbic Acid; Bromobenzenes; Chemical and Drug Induced Liver Injury; Dehydroascorbic Acid; Diet; Glutathione; Lipid Peroxidation; Liver; Male; Maleates; Mice; Propanols; Vitamin E | 1990 |
Rate of electron transfer between cytochrome b561 and extravesicular ascorbic acid.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Cattle; Chromaffin Granules; Cytochrome b Group; Dehydroascorbic Acid; Electron Transport; Hydrogen-Ion Concentration; Intracellular Membranes; Kinetics; Oxidation-Reduction | 1990 |
Effect of species differences and dietary vitamin C on the concentration of ascorbate- and acid-soluble thiol in fish eye.
Topics: Animals; Aqueous Humor; Ascorbic Acid; Cyprinidae; Dehydroascorbic Acid; Diet; Eye; Lens, Crystalline; Retina; Species Specificity; Spectrophotometry; Sulfhydryl Compounds | 1990 |
Intestinal absorption and metabolism of ascorbic acid in rainbow trout.
Topics: Absorption; Animals; Ascorbic Acid; Dehydroascorbic Acid; Intestinal Mucosa; Intestines; Microvilli; Oxidation-Reduction; Salmonidae; Trout | 1990 |
Glycation of lens proteins by the oxidation products of ascorbic acid.
Topics: 2,3-Diketogulonic Acid; Amino Acids; Animals; Ascorbic Acid; Cattle; Chromatography, Affinity; Crystallins; Cyclopentanes; Dehydroascorbic Acid; Lens, Crystalline | 1990 |
Hydrogen peroxide cytotoxicity. Low-temperature enhancement by ascorbate or reduced lipoate.
Topics: Animals; Ascorbic Acid; Cell Line; Cell Survival; Cold Temperature; Deferoxamine; Dehydroascorbic Acid; DNA Replication; Drug Synergism; Epithelial Cells; Epithelium; Hydrogen Peroxide; Oxidation-Reduction; Thioctic Acid; Thymidine | 1989 |
Oxidation of Neurospora crassa NADP-specific glutamate dehydrogenase by activated oxygen species.
Topics: Aerobiosis; Anaerobiosis; Animals; Antibodies; Antigen-Antibody Complex; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Edetic Acid; Glutamate Dehydrogenase; Hydrogen Peroxide; Iron; Kinetics; NADP; Neurospora; Neurospora crassa; Oxidation-Reduction | 1989 |
The bactericidal effect of isoascorbic acid combined with mild heat.
Topics: Anaerobiosis; Antioxidants; Ascorbic Acid; Bacteria; Catalase; Chromatography, High Pressure Liquid; Colony Count, Microbial; Dehydroascorbic Acid; Histidine; Hot Temperature; Magnesium; Oxidation-Reduction; Oxygen Consumption; Salmonella; Stereoisomerism; Superoxide Dismutase | 1989 |
Determination of ascorbic acid and dehydroascorbic acid in plasma and cerebrospinal fluid by liquid chromatography with electrochemical detection.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Chromatography, Liquid; Dehydroascorbic Acid; Electrochemistry; Humans; Oxidation-Reduction | 1989 |
Ascorbic and dehydroascorbic acids status in rats fed diets varying in vitamin E levels.
Topics: Administration, Oral; Animals; Ascorbic Acid; Dehydroascorbic Acid; Diet; Male; Organ Specificity; Rats; Rats, Inbred Strains; Vitamin E | 1989 |
The effect of ascorbate on proteolytic enzyme activities in fish.
Topics: Animals; Ascorbic Acid; Carps; Chymotrypsin; Dehydroascorbic Acid; In Vitro Techniques; Intestinal Mucosa; Intestines; Pancreas; Peptide Hydrolases; Protease Inhibitors; Trout; Trypsin | 1989 |
Applications of a simultaneous assay of ascorbic acid, dehydroascorbic acid and ascorbic sulphate in biological materials.
Topics: Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Decapoda; Dehydroascorbic Acid; Hydrolysis; Spectrophotometry, Ultraviolet; Trout | 1989 |
Liquid chromatographic and fluorescent derivative aerobic degradation studies of dehydroascorbic acid in aqueous solution at elevated temperatures.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Spectrometry, Fluorescence; Temperature | 1989 |
Behavior of 3,4-endiol form of 2,3-diketo-gulono-delta-lactone formed from dehydro-L-ascorbic acid in deoxygenated and neutral solution.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Lipid Peroxidation; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Solutions; Sugar Acids | 1989 |
Transport and metabolism of ascorbic acid in human placenta.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Female; Humans; Kinetics; Oxidation-Reduction; Placenta; Pregnancy | 1989 |
A comparative study of ascorbic acid entry into aqueous and vitreous humors of the rat and guinea pig.
Topics: Animals; Aqueous Humor; Ascorbic Acid; Biological Transport, Active; Blood Glucose; Chromatography, Thin Layer; Dehydroascorbic Acid; Diffusion; Glucose; Guinea Pigs; Male; Rats; Rats, Inbred Strains; Species Specificity; Time Factors; Vitreous Body | 1989 |
Superoxide-dependent oxidation of extracellular reducing agents by isolated neutrophils.
Topics: Ascorbic Acid; Catalase; Chlorides; Dehydroascorbic Acid; Glutathione; Humans; Hydrogen Peroxide; Lysosomes; Manganese; Neutrophils; Oxidation-Reduction; Oxygen Consumption; Sulfhydryl Reagents; Superoxides | 1988 |
Na+ + K+-ATPase activity and transport processes in toad corneal epithelium.
Topics: Aminoisobutyric Acids; Animals; Ascorbic Acid; Biological Transport; Bufo marinus; Cornea; Dehydroascorbic Acid; Diamide; Epithelium; Ethylmaleimide; Glutathione; Glutathione Disulfide; In Vitro Techniques; Sodium-Potassium-Exchanging ATPase | 1987 |
Electrogenic Na+-ascorbate cotransport in cultured bovine pigmented ciliary epithelial cells.
Topics: Amphotericin B; Animals; Ascorbic Acid; Biological Transport, Active; Cattle; Cells, Cultured; Ciliary Body; Dehydroascorbic Acid; Electrochemistry; Epithelium; Kinetics; Membrane Potentials; Ouabain; Phloretin; Pigmentation; Sodium | 1989 |
Renal metabolism of the oxidized form of ascorbic acid (dehydro-L-ascorbic acid).
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Guinea Pigs; Hydrogen-Ion Concentration; Kidney; Models, Biological; Molecular Weight; NADP; Oxidation-Reduction; Rats | 1989 |
Ascorbate and dehydroascorbate: distribution in mononuclear cells of healthy elderly people.
Topics: Aged; Aged, 80 and over; Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Leukocytes, Mononuclear; Male | 1989 |
Mechanism of the inhibition of catalase by ascorbate. Roles of active oxygen species, copper and semidehydroascorbate.
Topics: Animals; Ascorbate Oxidase; Ascorbic Acid; Catalase; Cattle; Copper; Dehydroascorbic Acid; Ethanol; Histidine; Hydroxides; Hydroxyl Radical; Kinetics; Organometallic Compounds; Oxidation-Reduction; Oxygen; Pentetic Acid; Spectrophotometry; Superoxide Dismutase | 1986 |
Ascorbate transport by AtT20 mouse pituitary corticotropic tumor cells: uptake and secretion studies.
Topics: 2,3-Diketogulonic Acid; 8-Bromo Cyclic Adenosine Monophosphate; Adrenocorticotropic Hormone; Animals; Ascorbic Acid; Biological Transport; Cell Line; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Isoproterenol; Kinetics; Mice; Mixed Function Oxygenases; Multienzyme Complexes; Osmolar Concentration; Oxidoreductases Acting on CH-NH Group Donors; Pituitary Neoplasms; Pro-Opiomelanocortin; Sodium; Temperature | 1986 |
Nuclear cataract: oxidative damage to the lens.
Topics: Adult; Ascorbic Acid; Cataract; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Humans; Lens, Crystalline; Male; Oxidation-Reduction | 1986 |
Ascorbic acid and cataract.
Topics: Ascorbic Acid; Cataract; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Humans; Lens, Crystalline; Oxidation-Reduction; Spectrometry, Fluorescence | 1987 |
Altered vitamin C transport in diabetes mellitus.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Diabetes Mellitus; Humans | 1988 |
Solubility properties of reduced and oxidized ascorbate as determinants of membrane permeation.
Topics: Ascorbic Acid; Cell Membrane Permeability; Dehydroascorbic Acid; Lauric Acids; Mannitol; Models, Biological; Oils; Oxidation-Reduction; Permeability; Water | 1987 |
Characterization and physiological function of glutathione reductase in Euglena gracilis z.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electrophoresis, Polyacrylamide Gel; Euglena gracilis; Glutathione; Glutathione Disulfide; Glutathione Reductase; NADP; Subcellular Fractions | 1987 |
Hexose monophosphate shunt in rat lens: stimulation by vitamin C.
Topics: Animals; Ascorbic Acid; Carbon Dioxide; Dehydroascorbic Acid; Glutathione Reductase; Hexosephosphates; Lens, Crystalline; Oxidation-Reduction; Rats; Rats, Inbred Strains; Stimulation, Chemical | 1987 |
Ascorbic acid status: biochemical and clinical considerations.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Dithiothreitol; Half-Life; Humans; Kinetics; Neutrophils; Nutritional Status; Oxidation-Reduction; Parenteral Nutrition, Total | 1988 |
[Relationship between various antioxidant systems in hepatic cells during bromobenzene poisoning].
Topics: Animals; Antioxidants; Ascorbic Acid; Bromobenzenes; Dehydroascorbic Acid; Glutathione; Liver; Male; Mice; Vitamin E | 1988 |
Stabilization of ascorbic acid in human plasma, and its liquid-chromatographic measurement.
Topics: Ascorbic Acid; Autoanalysis; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dithiothreitol; Female; Humans; Male | 1988 |
[Inhibitory mechanism of active oxygen production: monodehydroascorbic acid reductase].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Microsomes; Mitochondria; NADH, NADPH Oxidoreductases; Oxidation-Reduction | 1988 |
Intestinal transport and metabolism of oxidized ascorbic acid (dehydroascorbic acid).
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Epithelium; Guinea Pigs; Intestinal Absorption; Intestinal Mucosa; Intestine, Small; Rats | 1988 |
Effect of monosaccharide on dehydroascorbic acid uptake by placental membrane vesicles.
Topics: 3-O-Methylglucose; Ascorbic Acid; Biological Transport; Blood Glucose; Cell Membrane; Dehydroascorbic Acid; Female; Humans; In Vitro Techniques; Methylglucosides; Monosaccharides; Placenta; Pregnancy | 1988 |
Effects of active oxygen scavengers on the peroxidation of linoleic acid catalyzed by dehydro-L-ascorbic acid or its degradation products.
Topics: 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt; Ascorbic Acid; Benzenesulfonates; Catalysis; Dehydroascorbic Acid; Ethanol; Hydrogen-Ion Concentration; Linoleic Acids; Lipid Peroxides; Piperazines | 1988 |
Simultaneous determination of ascorbic acid and dehydroascorbic acid in cultures of C3H/10T1/2 cells.
Topics: Ascorbic Acid; Cell Line; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Spectrophotometry | 1988 |
The precipitation and cross-linking of lens crystallins by ascorbic acid.
Topics: Animals; Ascorbic Acid; Cattle; Chemical Precipitation; Cross-Linking Reagents; Crystallins; Dehydroascorbic Acid; Glucose; Time Factors | 1988 |
Vitamin C metabolites and microangiopathy in diabetes mellitus.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Type 1; Diabetes Mellitus, Type 2; Diabetic Angiopathies; Diabetic Retinopathy; Fructosamine; Hexosamines; Humans; Middle Aged; Reference Values | 1987 |
Measurement of ascorbic acid and dehydroascorbic acid in gastric juice by HPLC.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Gastric Juice; Humans; Spectrophotometry, Ultraviolet | 1987 |
Metabolism and transport of dehydroascorbic acid in erythrocytes of "spontaneous diabetic BB/W" Wistar rats.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Erythrocytes; Insulin; Oxidation-Reduction; Rats; Rats, Inbred BB; Rats, Inbred Strains | 1986 |
Effect of general anesthesia on plasma ascorbic acid level.
Topics: Anesthesia, General; Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Male | 1987 |
Rapid and sensitive determination of dehydroascorbic acid in addition to ascorbic acid by reversed-phase high-performance liquid chromatography using a post-column reduction system.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Indicators and Reagents; Plants; Spectrophotometry, Ultraviolet | 1987 |
The entrapment of [14C]ascorbic acid in human erythrocytes.
Topics: Ascorbic Acid; Carbon Radioisotopes; Dehydroascorbic Acid; Erythrocyte Membrane; Erythrocytes; Humans; Oxidation-Reduction; Spectrophotometry, Infrared | 1987 |
Effect of ascorbate and dehydroascorbate on tissue uptake of glucose.
Topics: Animals; Ascorbic Acid; Blood-Brain Barrier; Brain; Dehydroascorbic Acid; Glucose; Humans; Male; Muscles; Rats; Rats, Inbred F344 | 1987 |
In vitro oxidation of ascorbic acid and its prevention by GSH.
Topics: Ascorbic Acid; Buffers; Catalysis; Copper; Dehydroascorbic Acid; Glutathione; Hydrogen-Ion Concentration; Oxidation-Reduction; Temperature | 1987 |
Transport of vitamin C in the lens.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Biological Transport; Cattle; Dehydroascorbic Acid; Glucose; Guinea Pigs; Humans; Hydrogen-Ion Concentration; Kinetics; Lens, Crystalline | 1987 |
[The ascorbic acid system in Vicia faba L].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Fabaceae; Oxidoreductases; Plants, Medicinal | 1987 |
Ascorbic and dehydroascorbic acids simultaneously quantified in biological fluids by liquid chromatography with fluorescence detection, and comparison with a colorimetric assay.
Topics: Ascorbic Acid; Chromatography, Liquid; Colorimetry; Dehydroascorbic Acid; Humans; Reference Standards; Spectrometry, Fluorescence | 1987 |
A highly sensitive high-performance liquid chromatography method for the estimation of ascorbic and dehydroascorbic acid in tissues, biological fluids, and foods.
Topics: Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food Analysis; Homocysteine; Male; Rats; Rats, Inbred Strains | 1987 |
[The effect of diabetic compensation on plasma levels of dehydroascorbic acid in insulin-dependent diabetics].
Topics: Adult; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus, Type 1; Female; Humans; Male; Middle Aged | 1987 |
High-performance liquid chromatographic separation of ascorbic acid, erythorbic acid, dehydroascorbic acid, dehydroerythorbic acid, diketogulonic acid, and diketogluconic acid.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Gluconates; Indicators and Reagents; Spectrophotometry, Ultraviolet; Stereoisomerism; Sugar Acids | 1986 |
Inhibition of human leukocyte 3-hydroxy-3-methylglutaryl coenzyme A reductase activity by ascorbic acid. An effect mediated by the free radical monodehydroascorbate.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Dithiothreitol; Free Radicals; Glutathione; Humans; Hydroxymethylglutaryl CoA Reductases; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Kinetics; Leukocytes; NADP | 1986 |
Ascorbate regeneration in bovine ocular tissues by NADH-dependent semidehydroascorbate reductase.
Topics: Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Eye; NAD; NADH, NADPH Oxidoreductases; Retina | 1986 |
Antiscorbutic effect of dehydro-L-ascorbic acid in vitamin C-deficient guinea pigs.
Topics: Adrenal Glands; Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Body Weight; Dehydroascorbic Acid; Guinea Pigs; Kidney; Liver; Male; Scurvy; Spleen | 1986 |
The tissue distribution of L-ascorbic acid and dehydro-L-ascorbic acid in the guinea pigs injected intravenously with dehydro-L-ascorbic acid.
Topics: Administration, Oral; Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Guinea Pigs; Injections, Intravenous; Male; Tissue Distribution | 1986 |
Effect of ascorbic, isoascorbic and dehydroascorbic acids on the growth and survival of Campylobacter jejuni.
Topics: Ascorbic Acid; Campylobacter fetus; Dehydroascorbic Acid; Humans | 1986 |
Evaluation of a direct spectrophotometric method for the rapid determination of ascorbate and dehydroascorbate in blood using ascorbate oxidase.
Topics: Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Evaluation Studies as Topic; Humans; Spectrophotometry, Ultraviolet | 1986 |
[An increase in the oxidized form of vitamin C in the body: the cause or the result of metabolism disorders?].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus; Humans | 1986 |
Distribution of ascorbate in the retina, subretinal fluid and pigment epithelium.
Topics: Animals; Ascorbic Acid; Body Fluids; Cattle; Dehydroascorbic Acid; Osmolar Concentration; Pigment Epithelium of Eye; Rabbits; Retina | 1986 |
Effects of lipophilic derivatives of L-ascorbic acid and dehydro-L-ascorbic acid on the peroxidation of linoleic acid in neutral phosphate buffer containing alcohol.
Topics: 4-Butyrolactone; Ascorbic Acid; Buffers; Dehydroascorbic Acid; Ethanol; Linoleic Acid; Linoleic Acids; Lipid Peroxides; Oxidation-Reduction; Phosphates | 1986 |
Characteristics of the transport of ascorbic acid into leucocytes.
Topics: Adult; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Glucose; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Inflammation; Neutrophils; Probenecid; Temperature | 1987 |
Uptake of dehydroascorbic acid and ascorbic acid to isolated nerve terminals and secretory granules from ox neurohypophyses.
Topics: Animals; Ascorbic Acid; Cattle; Cobalt; Copper; Cytoplasmic Granules; Dehydroascorbic Acid; Female; Guinea Pigs; Nerve Endings; Pituitary Gland, Posterior; Tissue Distribution; Zinc | 1986 |
Ascorbic acid levels in aqueous and vitreous humors of the rabbit: effects of inflammation and ceruloplasmin.
Topics: Animals; Aqueous Humor; Ascorbic Acid; Ceruloplasmin; Copper; Dehydroascorbic Acid; Endophthalmitis; Endotoxins; Eye Proteins; Rabbits; Vitreous Body | 1985 |
The determination of dehydroascorbic acid and ascorbic acid in the serum and synovial fluid of patients with rheumatoid arthritis (RA).
Topics: Adult; Aged; Arthritis, Rheumatoid; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Middle Aged; Synovial Fluid | 1985 |
Ascorbic acid as a flour and bread improver.
Topics: Antioxidants; Ascorbic Acid; Bread; Dehydroascorbic Acid; Flour; Food Preservatives; Oxidation-Reduction | 1985 |
Glucose-independent transport of dehydroascorbic acid in human erythrocytes.
Topics: Adult; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose; Humans; Time Factors | 1986 |
Antioxidants in plasma from mice infected with Plasmodium vinckei.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Malaria; Male; Mice; Mice, Inbred CBA; Superoxide Dismutase; Uric Acid; Vitamin E | 1986 |
Roles of urinary sodium ion concentration and pH in promotion by ascorbic acid of urinary bladder carcinogenesis in rats.
Topics: Animals; Ascorbic Acid; Bicarbonates; Body Weight; Butylhydroxybutylnitrosamine; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Male; Rats; Rats, Inbred F344; Sodium; Urinary Bladder; Urinary Bladder Neoplasms | 1986 |
Role of monosaccharide transporter in vitamin C uptake by placental membrane vesicles.
Topics: 3-O-Methylglucose; Ascorbic Acid; Chlorides; Dehydroascorbic Acid; Female; Humans; Methylglucosides; Monosaccharide Transport Proteins; Placenta; Pregnancy; Sodium; Thiocyanates | 1986 |
Dehydroascorbic acid and ascorbic acid transport systems in the guinea pig ileum.
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Cell Membrane; Dehydroascorbic Acid; Guinea Pigs; Ileum; Isomerism; Kinetics; Microvilli; Osmolar Concentration; Time Factors | 1986 |
Ascorbic acid transport in mammalian kidney.
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Cold Temperature; Dehydroascorbic Acid; Guinea Pigs; In Vitro Techniques; Kidney; Ouabain; Rats; Sodium | 1986 |
Effect of ascorbic and dehydroascorbic acid on glyoxalase enzyme system.
Topics: Animals; Ascorbic Acid; Brain; Cattle; Dehydroascorbic Acid; Kinetics; Lactoylglutathione Lyase; Liver; Lyases; Rats; Saccharomyces; Thiolester Hydrolases | 1985 |
Effect of castration on the metabolism of L-ascorbic acid in rat prostate.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Carboxy-Lyases; Carboxylic Ester Hydrolases; Castration; Dehydroascorbatase; Dehydroascorbic Acid; Esterases; L-Gulonolactone Oxidase; Male; Prostate; Rats; Sugar Alcohol Dehydrogenases | 1985 |
Depletion of extracellular cysteine with hydroxocobalamin and ascorbate in experimental murine cancer chemotherapy.
Topics: Animals; Ascorbic Acid; Cells, Cultured; Cysteine; Dehydroascorbic Acid; Drug Therapy, Combination; Female; Hydroxocobalamin; Male; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Inbred DBA; Neoplasms, Experimental; Oxidation-Reduction; Sulfhydryl Compounds | 1985 |
Na+-independent dehydro-L-ascorbic acid uptake in renal brush-border membrane vesicles.
Topics: Animals; Anions; Ascorbic Acid; Biological Transport; Cell-Free System; Dehydroascorbic Acid; Glucose; Kidney; Kinetics; Membrane Potentials; Microvilli; Potassium; Protein Binding; Rats; Stereoisomerism | 1985 |
[HPLC method for determination of vitamin C in milk, whey and whey beverages].
Topics: Animals; Ascorbic Acid; Cattle; Chromatography, High Pressure Liquid; Dairy Products; Dehydroascorbic Acid; Milk; Spectrophotometry, Ultraviolet | 1985 |
Transport of L-ascorbic acid and dehydro-L-ascorbic acid across renal cortical basolateral membrane vesicles.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Membrane; Cell-Free System; Dehydroascorbic Acid; In Vitro Techniques; Kidney Cortex; Male; Membrane Potentials; Rats | 1985 |
Separation of ascorbic acid, dehydroascorbic acid, diketogulonic acid and glucose by isocratic elution from a column of a hydrophilic gel.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chromatography, Gel; Dehydroascorbic Acid; Fruit; Glucose; Spectrometry, Fluorescence; Sugar Acids | 1985 |
Relationship of dehydroascorbic acid transport to cell lineage in lymphocytes from normal subjects and patients with chronic lymphocytic leukemia.
Topics: Ascorbic Acid; Biological Transport; Cytosol; Dehydroascorbic Acid; Humans; Kinetics; Leukemia, Lymphoid; Lymphocytes | 1985 |
An ultramicro fluorimetric determination of total ascorbic acid in human serum using 1,2-diamino-4,5-dimethoxybenzene.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Phenylenediamines; Spectrometry, Fluorescence | 1985 |
Monodehydroascorbate as an electron acceptor for NADH reduction by coated vesicle and Golgi apparatus fractions of rat liver.
Topics: Animals; Ascorbate Oxidase; Ascorbic Acid; Coated Pits, Cell-Membrane; Dehydroascorbic Acid; Electron Transport; Endosomes; Golgi Apparatus; Kinetics; Liver; Male; Microscopy, Electron; NAD; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Rats | 1984 |
Inhibition of nitrosamine formation by ascorbic acid: participation of free radicals in its anaerobic reaction with nitrite.
Topics: Anaerobiosis; Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Nitrites; Nitrosamines; Oxidation-Reduction | 1980 |
Glutathione and ascorbic acid in spinach (Spinacia oleracea) chloroplasts. The effect of hydrogen peroxide and of Paraquat.
Topics: Ascorbic Acid; Chloroplasts; Dehydroascorbic Acid; Fructose-Bisphosphatase; Glutathione; Hydrogen Peroxide; Light; Oxidation-Reduction; Paraquat; Plants | 1983 |
Structure of ascorbic acid and its biological function. I. ESR determination of the ascorbyl radical in biological samples and in model systems.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Erythrocytes; Free Radicals; Humans; Leukemia, Lymphoid | 1984 |
Identification of L-ascorbic acid in secretion granules of the rat parotid gland.
Topics: alpha-Amylases; Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Cytoplasmic Granules; Dehydroascorbic Acid; Male; Parotid Gland; Rats; Rats, Inbred Strains | 1984 |
Interaction between glucose and dehydroascorbate transport in human neutrophils and fibroblasts.
Topics: 3-O-Methylglucose; Ascorbic Acid; Binding, Competitive; Cytochalasin B; Dehydroascorbic Acid; Deoxyglucose; Fibroblasts; Glucose; Humans; Insulin; Kinetics; Methylglucosides; Neutrophils | 1983 |
Studies on the metabolic conversion of ascorbate.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbate Oxidase; Ascorbic Acid; Bacteria; Carbon Dioxide; Dehydroascorbic Acid; Feces; Gastric Mucosa; Guinea Pigs; Intestine, Small; Liver; Male; Rats; Rats, Inbred Strains | 1983 |
Renin release and lipid peroxidation by ascorbic acid in the renin granule fraction of rat kidney cortex.
Topics: Animals; Antioxidants; Ascorbic Acid; Cytoplasmic Granules; Dehydroascorbic Acid; Edetic Acid; In Vitro Techniques; Kidney Cortex; Lipid Peroxides; Male; Microsomes; Mitochondria; Rats; Rats, Inbred Strains; Renin | 1983 |
Factors influencing the stability of ascorbic acid in total parenteral nutrition infusions.
Topics: Ascorbic Acid; Cold Temperature; Copper; Cysteine; Dehydroascorbic Acid; Drug Packaging; Drug Stability; Drug Storage; Humans; Oxygen; Parenteral Nutrition; Parenteral Nutrition, Total; Plastics; Solutions | 1984 |
Mechanism of dopamine-beta-hydroxylation. Semidehydroascorbate as the enzyme oxidation product of ascorbate.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Dopamine beta-Hydroxylase; Kinetics; Microsomes, Liver; NAD; NADH, NADPH Oxidoreductases; Neurospora crassa; Oxidation-Reduction; Rats; Spectrophotometry, Ultraviolet | 1981 |
Effects of ascorbic and dehydroascorbic acid on the multiplication of tumor ascites cells in vitro.
Topics: Animals; Ascites; Ascorbic Acid; Cell Division; Dehydroascorbic Acid; Mice; Mice, Inbred BALB C; Neoplasms, Experimental | 1984 |
Characterization of alkaline phosphatase inactivation by ascorbic acid.
Topics: Alkaline Phosphatase; Animals; Ascorbic Acid; Binding, Competitive; Cattle; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Kidney; Structure-Activity Relationship; Temperature | 1984 |
[Lipid peroxidation in patients with gastric ulcer and cancer].
Topics: 2,3-Diketogulonic Acid; Adenocarcinoma; Aged; Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Lipid Peroxides; Male; Malondialdehyde; Middle Aged; Stomach Neoplasms; Stomach Ulcer | 1984 |
Ascorbic acid in thyroidectomized rats. I) Biosynthesis and catabolism.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Glucuronates; Glucuronic Acid; Kidney; Liver; Male; Rats; Thyroid Gland; Thyroidectomy | 1984 |
Action of vitamin P like compounds on lysosomal fragility in hypercholesterolemia: implication of ascorbic acid and its metabolites.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Flavonoids; Hesperidin; Hypercholesterolemia; Liver; Lysosomes; Male; Quercetin; Rats | 1984 |
HPLC analysis with fluorometric detection of vitamin C in food samples.
Topics: Ascorbic Acid; Beverages; Chromatography, High Pressure Liquid; Citrus; Dehydroascorbic Acid; Food Analysis; Fruit; Spectrometry, Fluorescence | 1984 |
Plasma levels of vitamin C components in normal and diabetic subjects.
Topics: Adolescent; Adult; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus; Female; Humans; Male; Middle Aged | 1984 |
Liquid chromatographic behavior of ascorbate on amine columns.
Topics: Amines; Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Kidney Tubules; Rats | 1984 |
Dehydroascorbate uptake as an in vitro biochemical marker of granulocyte differentiation.
Topics: Ascorbic Acid; Cell Differentiation; Dehydroascorbic Acid; Granulocytes; Humans; In Vitro Techniques; Leukemia, Myeloid, Acute; Time Factors | 1983 |
A specific high-performance liquid chromatography assay for dehydroascorbic acid shows an increased content in CLL lymphocytes.
Topics: Ascorbic Acid; B-Lymphocytes; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Leukemia, Lymphoid | 1983 |
Changes in ascorbate levels on stimulation of human neutrophils.
Topics: Ascorbic Acid; Cytochalasin B; Dehydroascorbic Acid; Humans; N-Formylmethionine Leucyl-Phenylalanine; Neutrophils; Tetradecanoylphorbol Acetate; Zymosan | 1983 |
Modulation of alkaline phosphatase in different organs by ascorbic acid and related compounds.
Topics: Alkaline Phosphatase; Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Female; Humans; Intestines; Isoenzymes; Placenta; Pregnancy; Stereoisomerism; Time Factors | 1983 |
Ascorbate (vitamin C) and dehydroascorbate stimulation of copper induced hemolysis. Protective action of ceruloplasmin, albumin and apotransferrin.
Topics: Animals; Apoproteins; Ascorbic Acid; Ceruloplasmin; Copper; Dehydroascorbic Acid; Hemolysis; In Vitro Techniques; Male; Oxidation-Reduction; Rats; Rats, Inbred Strains; Serum Albumin; Transferrin | 1984 |
Plasma ascorbate concentrations and blood cell dehydroascorbate transport in patients with diabetes mellitus.
Topics: 3-O-Methylglucose; Adult; Aged; Ascorbic Acid; Biological Transport; Blood Cells; Dehydroascorbic Acid; Deoxyglucose; Diabetes Mellitus; Female; Granulocytes; Humans; Leukocytes; Male; Methylglucosides; Middle Aged; Monocytes; Neutrophils | 1984 |
Cerebrospinal fluid ascorbic acid levels in neurological disorders.
Topics: Adolescent; Adult; Aged; Ascorbic Acid; Central Nervous System Diseases; Child; Child, Preschool; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Female; Humans; Infant; Infant, Newborn; Male; Middle Aged | 1984 |
Ascorbic acid content and accumulation by alveolar macrophages from cigarette smokers and nonsmokers.
Topics: Adult; Animals; Ascorbic Acid; Cricetinae; Dehydroascorbic Acid; Humans; In Vitro Techniques; Macrophages; Mesocricetus; Middle Aged; Oxidation-Reduction; Pulmonary Alveoli; Smoking | 1984 |
Measurement of uric acid, ascorbic acid, and related metabolites in biological fluids.
Topics: Allantoin; Ascorbic Acid; Body Fluids; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Dehydroascorbic Acid; Humans; Oxidation-Reduction; Spectrophotometry, Ultraviolet; Uric Acid | 1984 |
Studies on the lysyl hydroxylase reaction. II. Inhibition kinetics and the reaction mechanism.
Topics: Animals; Ascorbic Acid; Carbon Dioxide; Chick Embryo; Dehydroascorbic Acid; Epinephrine; Homogentisic Acid; Kinetics; Mixed Function Oxygenases; Nitroblue Tetrazolium; Peptides; Procollagen-Lysine, 2-Oxoglutarate 5-Dioxygenase; Succinates | 1980 |
Blood preservation 50: red cell 2,3-DPG maintenance in CPD-adenine stored blood by several mechanisms.
Topics: 2,3-Diphosphoglycerate; Adenine; Ascorbic Acid; Blood Preservation; Blood Specimen Collection; Dehydroascorbic Acid; Diphosphoglyceric Acids; Erythrocytes; Humans; Ribose | 1981 |
Dietary selenium and levels of L-ascorbic acid in the plasma, livers, and lungs of polychlorinated biphenyls-treated rats.
Topics: Animals; Aroclors; Ascorbic Acid; Chlorodiphenyl (54% Chlorine); Dehydroascorbic Acid; Diet; Glutathione Peroxidase; Liver; Lung; Male; Polychlorinated Biphenyls; Rats; Rats, Inbred Strains; Selenium; Stereoisomerism | 1981 |
Simultaneous analysis of ascorbic acid and dehydroascorbic acid in fruit and vegetables by high-performance liquid chromatography.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Fruit; Vegetables | 1983 |
Effect of streptozotocin diabetes on tissue ascorbic acid and dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Male; Rats | 1983 |
Reinvestigation of the diabetogenic effect of dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Electron Transport; Hyperglycemia; Male; Microsomes, Liver; Oxidation-Reduction; Rats; Rats, Inbred Strains | 1983 |
Reduced and oxidized ascorbates in guinea pig retina under normal and light-exposed conditions.
Topics: Animals; Ascorbic Acid; Choroid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Guinea Pigs; Histocytochemistry; Oxidation-Reduction; Pigment Epithelium of Eye; Retina; Scurvy | 1983 |
Status of dehydroascorbic acid in iron deficiency anaemia.
Topics: Anemia, Hypochromic; Ascorbic Acid; Blood Platelets; Dehydroascorbic Acid; Humans | 1983 |
Inhibiting effect of dehydroascorbic acid on cell division in ascites tumors in mice.
Topics: Animals; Ascorbic Acid; Carcinoma, Ehrlich Tumor; Cell Division; Citrates; Citric Acid; Dehydroascorbic Acid; Leukemia P388; Leukemia, Experimental; Leukocyte Count; Mice; Mitosis | 1982 |
Blood dehydroascorbic acid and diabetes mellitus in human beings.
Topics: Adolescent; Adult; Aged; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus; Diabetes Mellitus, Type 1; Female; Humans; Male; Middle Aged | 1982 |
Accumulation of dehydroascorbic acid in guinea pig blood.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose Tolerance Test; Glucosephosphate Dehydrogenase; Glutathione; Guinea Pigs; Hyperglycemia; Plasma | 1982 |
[Reduction of dehydroascorbic acid by thiols in presence of biocatalytic substances: polarographic study].
Topics: Ascorbic Acid; Catalysis; Catechin; Dehydroascorbic Acid; Flavonoids; Kinetics; Oxidation-Reduction; Polarography; Sulfhydryl Compounds; Vitamin B Complex | 1982 |
Ascorbic acid, dehydroascorbic acid, glutathione and histamine in peptic ulcer.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Histamine; Humans; Leukocytes; Peptic Ulcer | 1982 |
Hexavalent chromium and ascorbic acid interaction on proliferation of the human cell line NHIK3025.
Topics: Ascorbic Acid; Cell Division; Cell Line; Chromates; Chromium; Dehydroascorbic Acid; Female; Humans; Potassium Compounds; Uterine Cervical Neoplasms | 1982 |
The reversibility of the vitamin C redox system: electrochemical reasons and biological aspects.
Topics: Animals; Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Humans; Magnetic Resonance Spectroscopy; Oxidation-Reduction | 1982 |
Ascorbic acid metabolism in diabetes mellitus.
Topics: Adolescent; Adult; Aged; Animals; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus; Diabetes Mellitus, Experimental; Erythrocytes; Female; Glutathione Reductase; Humans; Male; Middle Aged; Mitochondria; Oxidation-Reduction; Rats | 1981 |
Transport mechanisms for ascorbic acid in the human placenta.
Topics: 2,4-Dinitrophenol; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Dinitrophenols; Female; Humans; Iodoacetamide; Nitrogen; Ouabain; Placenta; Pregnancy; Sodium; Uncoupling Agents | 1981 |
Quantitative analysis of ascorbic acid and dehydroascorbic acid by high-performance liquid chromatography.
Topics: Animal Feed; Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food Analysis; Guinea Pigs; Humans; Spectrophotometry, Ultraviolet | 1981 |
A specific method for determination of total ascorbic acids in urine by the alpha,alpha'- dipyridyl method.
Topics: 2,2'-Dipyridyl; Ascorbic Acid; Chlorides; Dehydroascorbic Acid; Ferric Compounds; Oxidation-Reduction; Phenylhydrazines; Pyridines; Specific Gravity; Spectrophotometry; Urine | 1981 |
Interaction of mammalian hemoglobins with dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Cats; Cattle; Dehydroascorbic Acid; Disulfides; Dogs; Goats; Guinea Pigs; Hemoglobins; Humans; Oxidation-Reduction; Protein Conformation; Rabbits; Rats; Sulfhydryl Compounds | 1981 |
High-performance liquid chromatographic separation of ascorbic acid, erythorbic acid, dehydroascorbic acid, dehydroerythorbic acid, diketogulonic acid, and diketogluconic acid.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Gluconates; Indicators and Reagents; Spectrophotometry, Ultraviolet; Stereoisomerism; Sugar Acids | 1981 |
Subcellular distribution of ascorbate in bovine adrenal medulla. Evidence for accumulation in chromaffin granules against a concentration gradient.
Topics: Adrenal Cortex; Adrenal Medulla; Animals; Ascorbic Acid; Catecholamines; Cattle; Chromaffin Granules; Chromaffin System; Dehydroascorbic Acid; Subcellular Fractions | 1980 |
[Influence of monodehydroascorbate on the acyl-CoA-desaturase system of rat liver microsomes (author's transl)].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Fatty Acid Desaturases; Kinetics; Male; Microsomes, Liver; Rats | 1980 |
Inhibition of protein and DNA synthesis in tissue culture cells by a derivative of methyl glyoxal and ascorbate.
Topics: Aldehydes; Animals; Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; DNA; Glutathione; Guinea Pigs; Lactoylglutathione Lyase; Protein Biosynthesis; Pyruvaldehyde; Skin; Thiolester Hydrolases | 1980 |
Modulation of certain immunologic responses by vitamin C. II. Enhancement of concanavalin A-stimulated lymphocyte responses.
Topics: Ascorbic Acid; Concanavalin A; Dehydroascorbic Acid; DNA; Dose-Response Relationship, Drug; Humans; Immunity, Cellular; Lymphocytes; Stereoisomerism; Structure-Activity Relationship; Thymidine | 1980 |
Semidehydroascorbate as a product of the enzymic conversion of dopamine to norepinephrine. Coupling of semidehydroascorbate reductase to dopamine-beta-hydroxylase.
Topics: Adrenal Medulla; Animals; Ascorbic Acid; Dehydroascorbic Acid; Dopamine; Dopamine beta-Hydroxylase; Hydroxylation; In Vitro Techniques; L-Lactate Dehydrogenase; Membranes; Monoamine Oxidase; NAD; NADH, NADPH Oxidoreductases; Norepinephrine; Rats; Subcellular Fractions; Tyramine | 1980 |
An improved method for determination of L-ascorbic acid and L-dehydroascorbic acid in blood plasma.
Topics: 2,2'-Dipyridyl; Ascorbic Acid; Blood Chemical Analysis; Dehydroascorbic Acid; Dithiothreitol; Humans | 1980 |
Glutathione-dependent dehydroascorbate reduction: a determinant of dehydroascorbate uptake by human polymorphonuclear leukocytes.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Reductase; Humans; Neutrophils; Oxidation-Reduction | 1980 |
Rapid mobilization of ferritin iron by ascorbate in the presence of oxygen.
Topics: Animals; Ascorbic Acid; Copper; Dehydroascorbic Acid; Ferritins; Horses; Hydrogen-Ion Concentration; Iron; Oxygen; Spleen | 1980 |
[Content of vitamin C and its forms in chronic lympholeukemia].
Topics: Adult; Aged; Ascorbic Acid; Dehydroascorbic Acid; Humans; Leukemia, Lymphoid; Leukocytes; Middle Aged; Oxidation-Reduction | 1980 |
Effect of ascorbic acid in vitro on lymphocyte reactivity to mitogens.
Topics: Ascorbic Acid; Cells, Cultured; Concanavalin A; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Humans; Kinetics; Lymphocyte Activation; Phytohemagglutinins | 1980 |
Determination of ascorbic acid and dehydroascorbic acid in plasma by high-performance liquid chromatography with coulometric detection--are they reliable biomarkers of oxidative stress?
Topics: Ascorbic Acid; Biomarkers; Blood Specimen Collection; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Drug Stability; Electrochemistry; Humans; Indicators and Reagents; Oxidative Stress; Regression Analysis; Reproducibility of Results; Sensitivity and Specificity; Time Factors | 1995 |
The transport of vitamin C in the isolated human near-term placenta.
Topics: Alanine; Ascorbic Acid; Biological Transport; Carrier Proteins; Cell Membrane; Cytochalasin B; Dehydroascorbic Acid; Female; Glucose; Humans; Kinetics; Labor, Obstetric; Monosaccharide Transport Proteins; Phloretin; Placenta; Pregnancy; Tritium | 1995 |
The uptake of ascorbic acid into human umbilical vein endothelial cells and its effect on oxidant insult.
Topics: Ascorbic Acid; Cells, Cultured; Culture Media; Dehydroascorbic Acid; Endothelium, Vascular; Humans; Hydrogen Peroxide; Intracellular Fluid; Iron; Monosaccharide Transport Proteins; Oxidation-Reduction; Oxidative Stress; Umbilical Veins | 1995 |
Resolution of the facilitated transport of dehydroascorbic acid from its intracellular accumulation as ascorbic acid.
Topics: 3-O-Methylglucose; Ascorbic Acid; Binding, Competitive; Biological Transport, Active; Cell Line; Dehydroascorbic Acid; Deoxyglucose; Glucose Transporter Type 1; Humans; Intracellular Fluid; Kinetics; Methylglucosides; Models, Biological; Monosaccharide Transport Proteins; Oxidation-Reduction; Sodium | 1995 |
Cell death by oxidative stress and ascorbic acid regeneration in human neuroectodermal cell lines.
Topics: Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; DNA, Neoplasm; Humans; Hydrogen Peroxide; Melanoma; Neuroblastoma; Oxidative Stress; Oxidoreductases; Tumor Cells, Cultured | 1995 |
Whole body X-ray irradiation to mice decreases ascorbic acid concentration in bone marrow: comparison between ascorbic acid and vitamin E.
Topics: Animals; Ascorbic Acid; Bone Marrow; Dehydroascorbic Acid; Kinetics; Male; Mice; Mice, Inbred ICR; Oxidation-Reduction; Vitamin E; Whole-Body Irradiation | 1995 |
Spectrophotometric determination of ascorbic acid and dehydroascorbic acid.
Topics: Ascorbate Oxidase; Ascorbic Acid; Buffers; Chromatography, High Pressure Liquid; Citrates; Citric Acid; Dehydroascorbic Acid; Humans; Kinetics; Methanol; Oxidation-Reduction; Phosphates; Sensitivity and Specificity; Spectrophotometry; Thermodynamics; Trichloroacetic Acid | 1995 |
Vitamin C prevents metal ion-dependent initiation and propagation of lipid peroxidation in human low-density lipoprotein.
Topics: Adult; Antioxidants; Ascorbic Acid; Cholesterol Esters; Chromatography, High Pressure Liquid; Copper; Dehydroascorbic Acid; Electrophoresis, Agar Gel; Female; Free Radicals; Hemin; Humans; Hydrogen Peroxide; Lipid Peroxidation; Lipid Peroxides; Lipoproteins, LDL; Luminescent Measurements; Pentetic Acid | 1995 |
Dehydroascorbate reductase activity in bovine lens.
Topics: Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Glutathione; Lens, Crystalline; Mitochondria; Oxidoreductases | 1995 |
Simultaneous determination of ascorbic acid and dehydroascorbic acid in fish tissues by high-performance liquid chromatography.
Topics: Animals; Ascorbic Acid; Carps; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Fishes; Liver; Reproducibility of Results; Sensitivity and Specificity | 1995 |
The reactivity of ascorbate with different redox states of leghaemoglobin.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Glycine max; Hydrogen Peroxide; Kinetics; Leghemoglobin; Oxidation-Reduction; Spectrophotometry | 1995 |
Cortical ablation and drug-induced changes in striatal ascorbic acid oxidation and behavior in the rat.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Apomorphine; Ascorbic Acid; Behavior, Animal; Cerebral Cortex; Dehydroascorbic Acid; Dopamine; Glutamic Acid; Male; Motor Activity; Neostriatum; Oxidation-Reduction; Rats; Rats, Wistar; Scopolamine; Stereotyped Behavior; Synaptosomes | 1995 |
Low plasma ascorbate levels in patients with type 2 diabetes mellitus consuming adequate dietary vitamin C.
Topics: Aged; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Diabetes Mellitus, Type 2; Diet; Female; Humans; Male; Middle Aged | 1994 |
The in vivo cytoprotection of ascorbic acid against ischemia/reoxygenation injury of rat liver.
Topics: Adenosine Triphosphate; Alanine Transaminase; Animals; Ascorbic Acid; Aspartate Aminotransferases; Deferoxamine; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Glutathione; Iron; Ischemia; Kinetics; L-Lactate Dehydrogenase; Lipid Peroxidation; Liver; Male; Rats; Rats, Wistar; Reperfusion Injury; Thiobarbituric Acid Reactive Substances; Time Factors | 1995 |
Accumulation of vitamin C (ascorbate) and its oxidized metabolite dehydroascorbic acid occurs by separate mechanisms.
Topics: Ascorbic Acid; Biological Transport, Active; Dehydroascorbic Acid; Dithiothreitol; Fibroblasts; Glucose; Humans; Kinetics; Male; Models, Chemical; Neutrophils; Oxidation-Reduction; Sodium | 1995 |
Enhanced inhibitory effects of hyperthermia combined with ascorbic acid on DNA synthesis in Ehrlich ascites tumor cells grown at a low cell density.
Topics: Animals; Ascorbic Acid; Carcinoma, Ehrlich Tumor; Cell Count; Cell Division; Dehydroascorbic Acid; DNA, Neoplasm; Female; Hyperthermia, Induced; Mice; Mice, Inbred ICR; Neoplasm Transplantation | 1995 |
Investigation of Helicobacter pylori ascorbic acid oxidating activity.
Topics: Ascorbic Acid; Bacterial Proteins; Campylobacter coli; Chromatography, Gel; Dehydroascorbic Acid; Dithioerythritol; Enterobacter cloacae; Helicobacter pylori; Hydrogen-Ion Concentration; Oxidoreductases; Pseudomonas aeruginosa; Urease | 1995 |
Extraction and determination of ascorbate and dehydroascorbate from plant tissue.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Dithiothreitol; Indicators and Reagents; Nicotiana; Plant Leaves; Plants, Toxic; Reproducibility of Results; Spectrophotometry | 1995 |
Direct detection of ascorbyl radical in experimental brain injury: microdialysis and an electron spin resonance spectroscopic study.
Topics: Animals; Ascorbic Acid; Brain Injuries; Catalase; Cerebral Cortex; Cold Temperature; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Extracellular Space; Ferrous Compounds; Free Radicals; L-Lactate Dehydrogenase; Male; Microdialysis; Perfusion; Rats; Rats, Wistar; Superoxide Dismutase | 1995 |
Endogenous ascorbate regenerates vitamin E in the retina directly and in combination with exogenous dihydrolipoic acid.
Topics: Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Glutathione; Male; Oxidation-Reduction; Rats; Rats, Sprague-Dawley; Retina; Thioctic Acid; Ultraviolet Rays; Vitamin E | 1995 |
Comments on the glutathione-ascorbic acid redox couple.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Oxidation-Reduction | 1995 |
Generation of thiyl and ascorbyl radicals in the reaction of peroxynitrite with thiols and ascorbate at physiological pH.
Topics: Ascorbic Acid; Cyclic N-Oxides; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Hydrogen-Ion Concentration; Models, Biological; Nitrates; Spin Labels; Sulfhydryl Compounds | 1994 |
Vitamin C, dehydroascorbate, and uric acid in tissues and serum: high-performance liquid chromatography.
Topics: Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dithioerythritol; Humans; Indicators and Reagents; Mammals; Spectrophotometry, Ultraviolet; Uric Acid | 1994 |
Spectrophotometric determination of dehydroascorbic acid in biological samples.
Topics: 3T3 Cells; Animals; Ascorbic Acid; Chromatography, High Pressure Liquid; Deferoxamine; Dehydroascorbic Acid; Edetic Acid; Fibroblasts; Humans; Indicators and Reagents; Lymphocytes; Mammals; Mice; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry | 1994 |
Recovery of antioxidants and reduction in lipid hydroperoxides in murine epidermis and dermis after acute ultraviolet radiation exposure.
Topics: Animals; Antioxidants; Ascorbic Acid; Catalase; Dehydroascorbic Acid; Epidermis; Female; Glutathione; Glutathione Disulfide; Glutathione Peroxidase; Glutathione Reductase; Lipid Peroxides; Mice; Mice, Hairless; Radiation Dosage; Skin; Superoxide Dismutase; Time Factors; Ubiquinone; Ultraviolet Rays; Vitamin E | 1994 |
Inhibition by ascorbic acid of NMDA-evoked acetylcholine release in rabbit caudate nucleus.
Topics: 2-Amino-5-phosphonovalerate; Acetylcholine; Animals; Ascorbic Acid; Caudate Nucleus; Dehydroascorbic Acid; Electric Stimulation; N-Methylaspartate; Rabbits | 1993 |
On the mechanism of inactivation of active papain by ascorbic acid in the presence of cupric ions.
Topics: Amino Acids; Ascorbic Acid; Benzoylarginine Nitroanilide; Binding Sites; Catalase; Copper; Dehydroascorbic Acid; Electrophoresis, Polyacrylamide Gel; Enzyme Stability; Free Radical Scavengers; Histidine; Hydrogen Peroxide; Hydrolysis; Kinetics; Oxidation-Reduction; Papain; Sulfhydryl Compounds | 1994 |
Ascorbyl radical as natural indicator of oxidative stress: quantitative regularities.
Topics: Ascorbic Acid; Catalysis; Data Interpretation, Statistical; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Hydrogen-Ion Concentration; Kinetics; Micelles; Oxidation-Reduction; Oxidative Stress; Oxygen Consumption; Sodium Dodecyl Sulfate; Temperature | 1994 |
Dopaminergic system activity and cellular defense mechanisms in the striatum and striatal synaptosomes of the rat subchronically exposed to manganese.
Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Antioxidants; Ascorbic Acid; Corpus Striatum; Dehydroascorbic Acid; Dopamine; Glutathione; Male; Manganese; Neurons; Oxidative Stress; Rats; Rats, Wistar; Synaptosomes; Uric Acid | 1994 |
Efficacy of magnesium-L-ascorbyl-2-phosphate as a vitamin C source for weanling and growing-finishing swine.
Topics: Animal Feed; Animals; Antibodies, Bacterial; Ascorbic Acid; Dehydroascorbic Acid; Drug Stability; Eating; Female; Glutathione Peroxidase; Male; Random Allocation; Salmonella typhimurium; Swine; Weaning; Weight Gain | 1994 |
Ascorbyl free radical: a noninvasive marker of oxidative stress in human open-heart surgery.
Topics: Aortic Valve; Ascorbic Acid; Biomarkers; Dehydroascorbic Acid; Dimethyl Sulfoxide; Electron Spin Resonance Spectroscopy; Female; Free Radicals; Heart Valve Prosthesis; Humans; Male; Middle Aged; Monitoring, Intraoperative; Reactive Oxygen Species | 1994 |
A note on distribution of human plasma levels of ascorbic and dehydroascorbic acid.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Chromium; Dehydroascorbic Acid; Humans; Oxidation-Reduction; Reference Values; Spectrometry, Fluorescence; Time Factors | 1994 |
Human HL-60 myeloid leukemia cells transport dehydroascorbic acid via the glucose transporters and accumulate reduced ascorbic acid.
Topics: 3-O-Methylglucose; Ascorbic Acid; Biological Transport; Cell Line; Cytochalasin B; Dehydroascorbic Acid; Deoxyglucose; Glucose; Humans; Isomerism; Kinetics; Leukemia, Promyelocytic, Acute; Methylglucosides; Monosaccharide Transport Proteins; Oxidation-Reduction; Phloretin; Tumor Cells, Cultured | 1994 |
Effects of natural antioxidant ginkgo biloba extract (EGB 761) on myocardial ischemia-reperfusion injury.
Topics: Analysis of Variance; Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Ginkgo biloba; Heart; In Vitro Techniques; L-Lactate Dehydrogenase; Male; Myocardial Ischemia; Myocardium; Plant Extracts; Rats; Rats, Sprague-Dawley; Reperfusion; Reperfusion Injury; Time Factors | 1994 |
Ascorbic acid increases synaptosomal potassium-induced dopamine release.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Dopamine; In Vitro Techniques; Male; Mice; Neostriatum; Potassium; Synaptosomes | 1994 |
An electrophoretic procedure to detect three key enzymes of the ascorbate system.
Topics: Ascorbate Oxidase; Ascorbate Peroxidases; Ascorbic Acid; Dehydroascorbic Acid; Electrophoresis, Polyacrylamide Gel; Fruit; Isoenzymes; Oxidoreductases; Peroxidases; Plant Proteins; Sensitivity and Specificity | 1993 |
Determination of superoxide and ascorbyl radicals in the circulation of animals under oxidative stress.
Topics: Acetylation; Alloxan; Animals; Ascorbate Oxidase; Ascorbic Acid; Cytochrome c Group; Dehydroascorbic Acid; Free Radicals; Half-Life; Kinetics; Male; Maleates; Oxidation-Reduction; Polystyrenes; Rats; Rats, Wistar; Reactive Oxygen Species; Streptozocin; Stress, Physiological; Sulfhydryl Compounds; Superoxide Dismutase; Superoxides; Vitamin K | 1994 |
A physiological level of ascorbate inhibits galactose cataract in guinea pigs by decreasing polyol accumulation in the lens epithelium: a dehydroascorbate-linked mechanism.
Topics: Animals; Aqueous Humor; Ascorbic Acid; Cataract; Cells, Cultured; Dehydroascorbic Acid; Dogs; Female; Galactitol; Galactose; Glutathione; Guinea Pigs; Hydrogen Peroxide; Inositol; Lens, Crystalline; NADP; Sodium-Potassium-Exchanging ATPase | 1994 |
The distribution of ascorbic acid and dehydroascorbic acid during tissue regeneration in wounded dorsal skin of guinea pigs.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Guinea Pigs; Male; Regeneration; Skin; Skin Physiological Phenomena; Wound Healing | 1994 |
Ascorbic acid regeneration by bovine iris-ciliary body.
Topics: Animals; Ascorbic Acid; Cattle; Ciliary Body; Dehydroascorbic Acid; Glutathione; Glutathione Reductase; Hot Temperature; Hydrogen-Ion Concentration; Iris; Kinetics; NADP; Oxidation-Reduction; Temperature | 1993 |
Ascorbic acid uptake by isolated rat hepatocytes. Stimulatory effect of diquat, a redox cycling compound.
Topics: Animals; Ascorbic Acid; Biological Transport; Cells, Cultured; Dehydroascorbic Acid; Diquat; Dithiothreitol; Liver; Male; Ouabain; Oxidation-Reduction; Rats; Rats, Wistar; Reactive Oxygen Species; Sodium; Up-Regulation; Valinomycin | 1993 |
Monodehydroascorbate reductase activity in the surface membrane of leukemic cells. Characterization by a ferricyanide-driven redox cycle.
Topics: Animals; Ascorbic Acid; Cell Differentiation; Cell Membrane; Dehydroascorbic Acid; Ferricyanides; Hemin; Leukemia; Membrane Potentials; Monensin; Ouabain; Oxidation-Reduction; Oxidoreductases; Tetraethylammonium; Tetraethylammonium Compounds; Tumor Cells, Cultured | 1993 |
Ascorbic acid and dehydroascorbic acid content of blanched sweet green pepper during chilled storage in modified atmospheres.
Topics: Ascorbic Acid; Cold Temperature; Dehydroascorbic Acid; Food Handling; Food Preservation; Hot Temperature; Oxygen; Vegetables; Water | 1993 |
Ascorbate/iron activates Ca(2+)-release channels of skeletal sarcoplasmic reticulum vesicles reconstituted in lipid bilayers.
Topics: Animals; Ascorbic Acid; Calcium Channels; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Ion Channel Gating; Iron; Kinetics; Lipid Bilayers; Muscle Proteins; Muscles; Oxidation-Reduction; Probability; Rabbits; Ryanodine Receptor Calcium Release Channel; Sarcoplasmic Reticulum | 1994 |
Cerebral metabolism of oxidized ascorbate.
Topics: Animals; Ascorbic Acid; Brain; Dehydroascorbic Acid; Free Radical Scavengers; Glutathione; Oxidation-Reduction; Oxidoreductases; Rats | 1993 |
Testicular and plasma ascorbic acid levels in mice following dietary intake: a high-performance liquid chromatographic analysis.
Topics: Animals; Ascorbic Acid; Buffers; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Diet; Dithiothreitol; Male; Mice; Radiation-Protective Agents; Testis | 1993 |
Ascorbic acid recycling in human neutrophils.
Topics: Adult; Antioxidants; Ascorbic Acid; Catalase; Cells, Cultured; Dehydroascorbic Acid; Humans; Male; N-Formylmethionine Leucyl-Phenylalanine; Neutrophils; Oxidation-Reduction; Sodium Fluoride; Superoxide Dismutase; Tetradecanoylphorbol Acetate; Xanthine; Xanthine Oxidase; Xanthines | 1993 |
Redox metabolism of vitamin C in blood of normal and malaria-infected mice.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Female; Leukocytes; Malaria; Mice; Mice, Inbred CBA; Oxidation-Reduction | 1993 |
Cigarette smoke exposure of school children: effect of passive smoking and vitamin E supplementation on blood antioxidant status.
Topics: Antioxidants; Ascorbic Acid; Capsules; Catalase; Child; Cholesterol; Dehydroascorbic Acid; Erythrocytes; Glucosephosphate Dehydrogenase; Glutathione; Glutathione Peroxidase; Humans; Lipid Peroxidation; Superoxide Dismutase; Thiobarbituric Acid Reactive Substances; Tobacco Smoke Pollution; Vitamin E | 1993 |
Sodium-dependent ascorbic and dehydroascorbic acid uptake by SV-40-transformed retinal pigment epithelial cells.
Topics: Ascorbic Acid; Biological Transport, Active; Cell Transformation, Viral; Cells, Cultured; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Kinetics; Oxidation-Reduction; Pigment Epithelium of Eye; Simian virus 40; Sodium | 1993 |
Free radical formation in murine skin treated with tumour promoting organic peroxides.
Topics: Animals; Ascorbic Acid; Cyclic N-Oxides; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; In Vitro Techniques; Male; Mice; Peroxides; Skin; Skin Neoplasms; Spin Labels | 1993 |
Determination of total vitamin C in fruits by capillary zone electrophoresis.
Topics: Ascorbic Acid; Beverages; Chromatography, High Pressure Liquid; Citrus; Dehydroascorbic Acid; Electrophoresis; Fruit; Oxidation-Reduction; Spectrophotometry, Ultraviolet | 1993 |
Ascorbic acid oxidation product(s) protect human low density lipoprotein against atherogenic modification. Anti- rather than prooxidant activity of vitamin C in the presence of transition metal ions.
Topics: Adult; Arteriosclerosis; Ascorbic Acid; Copper; Dehydroascorbic Acid; Female; Free Radical Scavengers; Free Radicals; Humans; Lipid Peroxidation; Lipoproteins, LDL; Macrophages; Male; Oxidation-Reduction; Pentetic Acid; Peroxides | 1993 |
Lacrimal gland uptake and metabolism of ascorbic acid.
Topics: Animals; Ascorbic Acid; Biological Transport; Carbon Radioisotopes; Dehydroascorbic Acid; In Vitro Techniques; Lacrimal Apparatus; Radioisotope Dilution Technique; Sodium; Swine | 1993 |
Antioxidant role of dehydroascorbic acid reductase in insects.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Insecta; Muscidae; Oxidoreductases | 1993 |
Ascorbate and dehydroascorbate measurements in aqueous solutions and plasma determined by gas chromatography-mass spectrometry.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Edetic Acid; Gas Chromatography-Mass Spectrometry; Humans; Metals; Oxidation-Reduction | 1993 |
Enzymatic basis for altered ascorbic acid and dehydroascorbic acid levels in diabetes.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Glucosephosphate Dehydrogenase; Liver; Male; Oxidation-Reduction; Oxidoreductases; Rats; Rats, Sprague-Dawley | 1993 |
Total vitamin C, ascorbic acid, and dehydroascorbic acid concentrations in plasma of critically ill patients.
Topics: Adult; Aged; Aging; Ascorbic Acid; Chromatography, High Pressure Liquid; Critical Illness; Dehydroascorbic Acid; Diabetes Mellitus; Female; Gastritis; Humans; Intensive Care Units; Male; Middle Aged; Reactive Oxygen Species | 1996 |
One-electron oxidation of ergothioneine and analogues investigated by pulse radiolysis: redox reaction involving ergothioneine and vitamin C.
Topics: Antioxidants; Ascorbic Acid; Azides; Carbon Tetrachloride; Dehydroascorbic Acid; Electrons; Ergothioneine; Free Radicals; Humans; Hydroxyl Radical; In Vitro Techniques; Kinetics; Molecular Structure; Oxidation-Reduction; Oxidative Stress; Pulse Radiolysis | 1996 |
Protection by ascorbate against apoptosis of thymocytes: implications of ascorbate-induced nonlethal oxidative stress and poly(ADP-ribosyl)ation.
Topics: Animals; Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; DNA; Enzyme Inhibitors; Etoposide; Free Radicals; Hydrogen Peroxide; Male; Methylprednisolone; NAD; Neuroprotective Agents; Oxidative Stress; Poly(ADP-ribose) Polymerase Inhibitors; Poly(ADP-ribose) Polymerases; Rats; Rats, Sprague-Dawley; Terpenes; Thapsigargin; Thymus Gland | 1996 |
Measurement of ascorbic acid in human plasma and serum: stability, intralaboratory repeatability, and interlaboratory reproducibility.
Topics: Ascorbic Acid; Chromatography; Dehydroascorbic Acid; Dithiothreitol; Drug Stability; Freezing; Humans; Kinetics; Laboratories; Phenylenediamines; Phenylhydrazines; Phosphorous Acids; Plasma; Reproducibility of Results; Specimen Handling; Stereoisomerism; Time Factors | 1996 |
Gluconeogenesis from ascorbic acid: ascorbate recycling in isolated murine hepatocytes.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Fasting; Gluconeogenesis; In Vitro Techniques; Liver; Male; Mice; Models, Biological; Pentose Phosphate Pathway | 1996 |
Active oxygen metabolism in the senescence of pea leaves: ascorbate and glutathione contents in different cell compartments.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Malondialdehyde; Microbodies; Mitochondria; Oxygen; Pisum sativum; Plant Leaves | 1996 |
Differential susceptibility of epidermal keratinocytes and neuroblastoma cells to cytotoxicity of ultraviolet-B light irradiation prevented by the oxygen radical-scavenger ascorbate-2-phosphate but not by ascorbate.
Topics: Animals; Ascorbic Acid; Cell Membrane; Dehydroascorbic Acid; Free Radical Scavengers; Humans; Keratinocytes; Mice; Neuroblastoma; Tumor Cells, Cultured; Ultraviolet Rays | 1995 |
alpha-Lipoic acid dependent regeneration of ascorbic acid from dehydroascorbic acid in rat liver mitochondria.
Topics: 3-Methyl-2-Oxobutanoate Dehydrogenase (Lipoamide); Animals; Antimycin A; Ascorbic Acid; Dehydroascorbic Acid; Dihydrolipoamide Dehydrogenase; In Vitro Techniques; Ketone Oxidoreductases; Kinetics; Mitochondria, Liver; Models, Biological; Multienzyme Complexes; Oxidation-Reduction; Rats; Rats, Sprague-Dawley; Rotenone; Thioctic Acid; Uncoupling Agents | 1996 |
Liver ascorbate and glutathione disulfide levels in guinea pigs are affected by dietary ascorbate intake and the type of diet.
Topics: Animals; Ascorbic Acid; Cholesterol, Dietary; Dehydroascorbic Acid; Diet; Dietary Carbohydrates; Dietary Fats; Glutathione; Glutathione Disulfide; Guinea Pigs; Lipid Peroxidation; Liver; Oxidation-Reduction; Thiobarbituric Acid Reactive Substances | 1995 |
Role of platelet-activating factor and thromboxane A2 in radical production during ischemia and reperfusion of the rat brain.
Topics: Animals; Ascorbic Acid; Azepines; Brain; Brain Ischemia; Bridged Bicyclo Compounds; Dehydroascorbic Acid; Extracellular Space; Fatty Acids, Monounsaturated; Free Radicals; Male; Oxygen; Partial Pressure; Peroxidase; Platelet Activating Factor; Platelet Aggregation Inhibitors; Rats; Rats, Wistar; Reactive Oxygen Species; Reperfusion; Thromboxane A2; Triazoles | 1996 |
Validation of a micromethod for determining oxidized and reduced vitamin C in plasma by HPLC-fluorescence.
Topics: Adult; Aged; Aged, 80 and over; Ascorbic Acid; Chromatography, High Pressure Liquid; Colorimetry; Dehydroascorbic Acid; Fluorometry; Humans; Linear Models; Middle Aged; Oxidation-Reduction; Phenylenediamines; Phenylhydrazines; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Statistics, Nonparametric; Temperature; Time Factors | 1996 |
Effects of exhaustive exercise and vitamin B6 deficiency on free radical oxidative process in male trained rats.
Topics: Animals; Antioxidants; Ascorbic Acid; Body Weight; Dehydroascorbic Acid; Free Radicals; Heart; Iron; Lipid Peroxidation; Liver; Male; Muscle, Skeletal; Organ Size; Oxygen Consumption; Physical Conditioning, Animal; Physical Exertion; Pyridoxine; Rats; Rats, Sprague-Dawley; Swimming; Time Factors; Vitamin B 6 Deficiency; Vitamin E | 1996 |
Role of dehydroascorbate in rabbit erythrocyte hexokinase inactivation induced by ascorbic acid/Fe(II).
Topics: Animals; Ascorbic Acid; Catalase; Dehydroascorbic Acid; Erythrocytes; Ferrous Compounds; Glutathione Peroxidase; Hexokinase; Hydrogen Peroxide; Hydroxyl Radical; Kinetics; Rabbits | 1996 |
Ascorbate recycling in human erythrocytes: role of GSH in reducing dehydroascorbate.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Ferricyanides; Glutathione; Humans; Oxidation-Reduction | 1996 |
Reduction of extracellular dehydroascorbic acid by K562 cells.
Topics: Ascorbic Acid; Chelating Agents; Chloromercuribenzoates; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Enzyme Inhibitors; Ethylmaleimide; Free Radicals; Humans; Leukemia, Erythroblastic, Acute; Leukocytes; p-Chloromercuribenzoic Acid; Thenoyltrifluoroacetone; Tumor Cells, Cultured | 1996 |
Enzymatic method to determine dehydroascorbic acid in biological samples and in bread dough at various stages of mixing.
Topics: Ascorbic Acid; Bread; Chemistry Techniques, Analytical; Dehydroascorbic Acid; Food Technology; Glutathione; Humans; Oxidoreductases; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry | 1996 |
The effects of ascorbate and dehydroascorbate on the oxidation of low-density lipoprotein.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Line; Copper; Dehydroascorbic Acid; Humans; Iron; Kinetics; Lipid Peroxides; Lipoproteins, LDL; Macrophages; Macrophages, Peritoneal; Mice; Oxidation-Reduction | 1996 |
Ascorbic acid determination with an automated enzymatic procedure.
Topics: Adult; Ascorbate Oxidase; Ascorbic Acid; Autoanalysis; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Female; Humans; Male; Phenylenediamines; Quality Control; Reference Values; Sensitivity and Specificity; Spectrophotometry | 1997 |
High galactose levels in vitro and in vivo impair ascorbate regeneration and increase ascorbate-mediated glycation in cultured rat lens.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Cataract; Crystallins; Dehydroascorbic Acid; Galactose; Humans; Lens, Crystalline; Male; Organ Culture Techniques; Oxidation-Reduction; Rats; Rats, Sprague-Dawley; Time Factors | 1996 |
Measurement of ascorbate and dehydroascorbate contents in biological fluids.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans | 1997 |
Blood antioxidant status and urine sulfate and thiocyanate levels in smokers.
Topics: Adult; Antioxidants; Ascorbic Acid; Catalase; Ceruloplasmin; Dehydroascorbic Acid; Erythrocytes; Glutathione Peroxidase; Humans; Male; Smoking; Sulfates; Superoxide Dismutase; Thiocyanates; Uric Acid; Vitamin E | 1996 |
Electron paramagnetic resonance studies on nitroxide radical 2,2,5,5-tetramethyl-4-piperidin-1-oxyl (TEMPO) redox reactions in human skin.
Topics: Antioxidants; Ascorbic Acid; Cell Membrane; Cells, Cultured; Cyclic N-Oxides; Cytosol; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Fibroblasts; Free Radical Scavengers; Glutathione; Humans; Keratinocytes; Oxidants; Oxidation-Reduction; Oxygen; Peroxides; Skin; Spin Labels; tert-Butylhydroperoxide | 1997 |
Increased uptake and accumulation of vitamin C in human immunodeficiency virus 1-infected hematopoietic cell lines.
Topics: Ascorbic Acid; Cell Division; Cell Line; Dehydroascorbic Acid; Glucose Transporter Type 1; Hexoses; HIV Infections; HIV-1; HL-60 Cells; Humans; Lymphocytes; Monosaccharide Transport Proteins; Phagocytes; Virus Replication | 1997 |
Determination of ascorbic and dehydroascorbic acids in blood plasma and serum by liquid chromatography.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Sensitivity and Specificity | 1997 |
Ascorbic acid prevents ischemia-reperfusion injury in the rat small intestine.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; Glutathione; Glutathione Disulfide; Intestinal Mucosa; Intestine, Small; Ischemia; Lipid Peroxidation; Male; Mesenteric Arteries; Rats; Rats, Wistar; Reperfusion Injury; Thiobarbituric Acid Reactive Substances | 1997 |
Efficient transport and accumulation of vitamin C in HL-60 cells depleted of glutathione.
Topics: Antimetabolites; Ascorbic Acid; Biological Transport; Buthionine Sulfoximine; Dehydroascorbic Acid; Glutathione; HL-60 Cells; Humans; Maleates; Temperature | 1997 |
Ascorbic acid and dehydroascorbic acid as biomarkers of oxidative stress caused by smoking.
Topics: Adult; Aged; Aged, 80 and over; Aging; Ascorbic Acid; Biomarkers; Cross-Sectional Studies; Dehydroascorbic Acid; Female; Humans; Linear Models; Male; Middle Aged; Oxidative Stress; Sex Characteristics; Smoking | 1997 |
Vitamin C redox reactions in blood of normal and malaria-infected mice studied with isoascorbate as a nonisotopic marker.
Topics: Animals; Antioxidants; Ascorbic Acid; Biomarkers; Dehydroascorbic Acid; Erythrocytes; Female; Free Radicals; In Vitro Techniques; Malaria; Mice; Mice, Inbred CBA; Oxidation-Reduction; Reactive Oxygen Species; Stereoisomerism | 1995 |
Liquid chromatographic measurement of L-ascorbic acid and D-ascorbic acid in biological samples.
Topics: Animals; Ascorbic Acid; Chromatography, Liquid; Dehydroascorbic Acid; Food, Formulated; Humans; In Vitro Techniques; Infant; Infant Food; Lung; Rats; Stereoisomerism | 1997 |
Ascorbic acid and dehydroascorbic acid interconversion without net oxidation or reduction.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Deuterium; Gas Chromatography-Mass Spectrometry; Humans; Hydrogen-Ion Concentration; In Vitro Techniques; Kinetics; Oxidation-Reduction; Solutions | 1997 |
Inhibition of rabbit muscle adenylate kinase by vitamin C.
Topics: Adenylate Kinase; Animals; Ascorbic Acid; Dehydroascorbic Acid; Dithiothreitol; Enzyme Inhibitors; Muscle, Skeletal; Rabbits; Sulfhydryl Reagents | 1997 |
Two distinct uptake mechanisms for ascorbate and dehydroascorbate in human lymphoblasts and their interaction with glucose.
Topics: Ascorbic Acid; Biological Transport; Cells, Cultured; Dehydroascorbic Acid; Diffusion; Dithiothreitol; Humans; Kinetics; Lymphocytes; Temperature; Tetradecanoylphorbol Acetate | 1997 |
Cerebral astrocytes transport ascorbic acid and dehydroascorbic acid through distinct mechanisms regulated by cyclic AMP.
Topics: Animals; Animals, Newborn; Ascorbic Acid; Astrocytes; Biological Transport; Bucladesine; Carbon Radioisotopes; Cells, Cultured; Cerebral Cortex; Cyclic AMP; Cycloheximide; Cytochalasin B; Cytochalasin D; Dehydroascorbic Acid; Glucose; Glucose Transporter Type 1; Homocysteine; Monosaccharide Transport Proteins; Oxidation-Reduction; Protein Synthesis Inhibitors; Rats; Rats, Wistar; Sodium | 1997 |
Hexokinase inactivation induced by ascorbic acid/Fe(II) in rabbit erythrocytes is independent of glutathione-reductive processes and appears to be mediated by dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Ferrous Compounds; Glutathione; Glutathione Disulfide; Hexokinase; Hydrogen Peroxide; Oxidation-Reduction; Oxygen; Rabbits | 1997 |
Increased facilitated transport of dehydroascorbic acid without changes in sodium-dependent ascorbate transport in human melanoma cells.
Topics: Ascorbic Acid; Biological Transport, Active; Cells, Cultured; Cytochalasin D; Dehydroascorbic Acid; Deoxyglucose; Dose-Response Relationship, Drug; Humans; Immunohistochemistry; Lithium Chloride; Melanocytes; Melanoma; Models, Biological; Monosaccharide Transport Proteins; Ouabain; Sodium-Potassium-Exchanging ATPase; Sucrose; Time Factors; Tumor Cells, Cultured | 1997 |
13C-NMR studies of transmembrane electron transfer to extracellular ferricyanide in human erythrocytes.
Topics: 4-Chloromercuribenzenesulfonate; Ascorbic Acid; Biological Transport; Carbon Isotopes; Cytochalasin B; Dehydroascorbic Acid; Deoxyglucose; Electron Transport; Enzyme Inhibitors; Erythrocytes; Extracellular Space; Ferricyanides; Fluorides; Glucose; Humans; Iodoacetates; Iodoacetic Acid; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Phloretin; Stilbenes | 1997 |
Role of ascorbate in the activation of NF-kappaB by tumour necrosis factor-alpha in T-cells.
Topics: Ascorbic Acid; Cell Division; Dehydroascorbic Acid; DNA-Binding Proteins; Humans; I-kappa B Proteins; Jurkat Cells; Kinetics; Luciferases; NF-kappa B; NF-KappaB Inhibitor alpha; Recombinant Fusion Proteins; T-Lymphocytes; Transfection; Tumor Necrosis Factor-alpha | 1997 |
Moderately controlled transport of ascorbate into aortic endothelial cells against slowdown of the cell cycle, decreasing of the concentration or increasing of coexistent glucose as compared with dehydroascorbate.
Topics: Animals; Aorta; Ascorbic Acid; Biological Transport, Active; Carbon Radioisotopes; Cattle; Cell Cycle; Cells, Cultured; Culture Media, Serum-Free; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Endothelium, Vascular; Glucose; Intracellular Fluid; Oxidation-Reduction | 1997 |
Reduction of dehydroascorbate to ascorbate by the selenoenzyme thioredoxin reductase.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Kinetics; Liver; NADP; Rats; Selenium; Thioredoxin-Disulfide Reductase; Thioredoxins | 1997 |
Ascorbate as a substrate for glycolysis or gluconeogenesis: evidence for an interorgan ascorbate cycle.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose; Glycolysis; Humans; Lactic Acid; Male; Mice; Oxythiamine; Transketolase; Tumor Cells, Cultured; Vitamin K | 1997 |
Simultaneous high-performance capillary electrophoresis analysis of the reduced and oxidised forms of ascorbate and glutathione.
Topics: Antioxidants; Arabidopsis; Ascorbic Acid; Dehydroascorbic Acid; Electrophoresis, Capillary; Glutathione; Glutathione Disulfide; Hydrogen-Ion Concentration; Nicotiana; Oxidation-Reduction; Plant Extracts; Plant Leaves; Plants, Toxic; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 1997 |
Cyanate causes depletion of ascorbate in organisms.
Topics: Animals; Ascorbic Acid; Cyanates; Dehydroascorbic Acid; Herbicides; Kinetics; Liver; Male; Oxidation-Reduction; Oxidoreductases; Plant Leaves; Plants; Rats; Rats, Wistar | 1997 |
Duodenal ferri-reductase is not mediated by ascorbate.
Topics: Animals; Ascorbic Acid; Cell Membrane; Dehydroascorbic Acid; Duodenum; Kinetics; Mice; NADH, NADPH Oxidoreductases | 1997 |
Vitamin C crosses the blood-brain barrier in the oxidized form through the glucose transporters.
Topics: Animals; Ascorbic Acid; Autoradiography; Blood-Brain Barrier; Brain; Capillary Permeability; Dehydroascorbic Acid; Deoxyglucose; Glucose Transporter Type 1; Image Processing, Computer-Assisted; Kinetics; Mice; Mice, Inbred BALB C; Monosaccharide Transport Proteins; Oxidation-Reduction; Radiography; Rats; Rats, Inbred F344; Time Factors | 1997 |
Insulin stimulates vitamin C recycling and ascorbate accumulation in osteoblastic cells.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Deoxyglucose; Insulin; Insulin-Like Growth Factor I; Osteoblasts; Rats; Tumor Cells, Cultured | 1998 |
Influence of the severity of myocardial ischemia on the intensity of ascorbyl free radical release and on postischemic recovery during reperfusion.
Topics: Animals; Ascorbic Acid; Blood Pressure; Coronary Circulation; Coronary Vessels; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Heart Rate; Male; Myocardial Ischemia; Myocardial Reperfusion; Myocardium; Oxidative Stress; Rats; Rats, Wistar; Ventricular Function, Left | 1998 |
Dehydroascorbate and ascorbate transport in rat liver microsomal vesicles.
Topics: 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid; Animals; Ascorbic Acid; Biological Transport; Chlorides; Dehydroascorbic Acid; Endoplasmic Reticulum; Ethylmaleimide; Ferric Compounds; Glucose; Male; Microsomes, Liver; Monosaccharide Transport Proteins; Rats; Rats, Sprague-Dawley; Subcellular Fractions | 1998 |
Purification and molecular properties of ascorbate peroxidase from bovine eye.
Topics: Amino Acid Sequence; Animals; Ascorbate Peroxidases; Ascorbic Acid; Cattle; Choroid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Electrophoresis, Polyacrylamide Gel; Enzyme Stability; Eye; Free Radical Scavengers; Hydrogen Peroxide; Hydrogen-Ion Concentration; Molecular Sequence Data; Peroxidases; Retina; Sequence Analysis; Sequence Homology, Amino Acid; Spectrophotometry; Substrate Specificity | 1998 |
Protection and recycling of alpha-tocopherol in human erythrocytes by intracellular ascorbic acid.
Topics: Amidines; Antioxidants; Ascorbic Acid; Cyclic N-Oxides; Dehydroascorbic Acid; Erythrocyte Membrane; Erythrocytes; Ferricyanides; Glutathione; Humans; Kinetics; Liposomes; Oxidants; Oxidation-Reduction; Phosphatidylcholines; Spin Labels; Vitamin E | 1998 |
Ascorbic acid oxidation by hydrogen peroxide.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Chromatography, Gas; Dehydroascorbic Acid; Drug Stability; Hydrogen Peroxide; Mass Spectrometry; Oxidation-Reduction; Sensitivity and Specificity | 1998 |
Antioxidant and prooxidant effects of ascorbic acid, dehydroascorbic acid and flavonoids on LDL submitted to different degrees of oxidation.
Topics: Adult; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Flavonoids; Humans; Lipoproteins, LDL; Male; Oxidation-Reduction; Solubility; Water | 1997 |
Oxidation products of uric acid and ascorbic acid in preterm infants with chronic lung disease.
Topics: Allantoin; Ascorbic Acid; Biomarkers; Bronchoalveolar Lavage Fluid; Chronic Disease; Cohort Studies; Dehydroascorbic Acid; Female; Free Radicals; Humans; Infant, Newborn; Infant, Premature, Diseases; Lung Diseases; Male; Oxidation-Reduction; Uric Acid | 1998 |
Loss of glutathione, ascorbate recycling, and free radical scavenging in human erythrocytes exposed to filtered cigarette smoke.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Disulfides; Electron Spin Resonance Spectroscopy; Erythrocytes; Free Radical Scavengers; Free Radicals; Glucose; Glutathione; Humans; Hydrogen-Ion Concentration; Oxidative Stress; Spin Labels; Sulfhydryl Compounds; Tars | 1998 |
Accumulation of ascorbate by endocrine-regulated and glucose-sensitive transport of dehydroascorbic acid in luteinized rat ovarian cells.
Topics: Animals; Ascorbate Oxidase; Ascorbic Acid; Cell Survival; Corpus Luteum; Dehydroascorbic Acid; Female; Free Radical Scavengers; Glucose; Hormones; Indicators and Reagents; Kinetics; Ovary; Oxidation-Reduction; Rats; Rats, Sprague-Dawley; Reactive Oxygen Species | 1998 |
UVA irradiation of human lens proteins produces residual oxidation of ascorbic acid even in the presence of high levels of glutathione.
Topics: Aging; Ascorbic Acid; Copper; Cross-Linking Reagents; Crystallins; Dehydroascorbic Acid; Glutathione; Glycosylation; Humans; Kinetics; Oxidation-Reduction; Peroxides; Reactive Oxygen Species; Ultraviolet Rays | 1998 |
Colony-stimulating factors signal for increased transport of vitamin C in human host defense cells.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Granulocyte Colony-Stimulating Factor; Granulocyte-Macrophage Colony-Stimulating Factor; HL-60 Cells; Humans; Monocytes; Neutrophils | 1998 |
Nutritional and toxic factors in selected wild edible plants.
Topics: Ascorbic Acid; Carotenoids; Dehydroascorbic Acid; Erucic Acids; Humans; Nitrates; Nutritive Value; Oxalates; Oxalic Acid; Plants, Edible | 1997 |
The influence of amino acid source on the stability of ascorbic acid in TPN mixtures.
Topics: Air; Amino Acids; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Drug Packaging; Drug Stability; Parenteral Nutrition, Total | 1998 |
Evaluation of an acidic deproteinization for the measurement of ascorbate and dehydroascorbate in plasma samples.
Topics: Adult; Ascorbic Acid; Catalysis; Dehydroascorbic Acid; Hemoglobins; Humans; Oxidants; Oxidation-Reduction; Perchlorates; Phosphorous Acids; Transferrin; Trichloroacetic Acid | 1998 |
Uptake mechanisms for ascorbate and dehydroascorbate in lymphoblasts from diabetic nephropathy and hypertensive patients.
Topics: Adult; Aged; Albuminuria; Ascorbic Acid; Biological Transport; Cells, Cultured; Dehydroascorbic Acid; Diabetes Mellitus, Type 1; Diabetic Nephropathies; Female; Humans; Hypertension; Kinetics; Male; Middle Aged; Models, Biological; Reference Values | 1998 |
The presence of dehydroascorbate and dehydroascorbate reductase in plant tissues.
Topics: Amino Acid Sequence; Ascorbic Acid; Chloroplasts; Dehydroascorbic Acid; Free Radicals; Glutathione; Molecular Sequence Data; Oxidation-Reduction; Oxidative Stress; Oxidoreductases; Plant Proteins; Plants; Thioredoxins | 1998 |
13C NMR studies of vitamin C transport and its redox cycling in human erythrocytes.
Topics: 4-Chloromercuribenzenesulfonate; Ascorbic Acid; Biological Transport; Carbon Isotopes; Cytochalasin B; Dehydroascorbic Acid; Erythrocytes; Extracellular Space; Humans; Magnetic Resonance Spectroscopy; Monosaccharide Transport Proteins; Oxidation-Reduction; Oxidative Stress; Phloretin | 1998 |
Histochemical observation and cellular distribution of ascorbic acid in persimmon leaves.
Topics: Ascorbic Acid; Cell Fractionation; Chloroplasts; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Histocytochemistry; Japan; Microscopy, Electron; Mitochondria; Plant Leaves; Seasons; Tea | 1998 |
Oxidative scission of plant cell wall polysaccharides by ascorbate-induced hydroxyl radicals.
Topics: Ascorbate Oxidase; Ascorbic Acid; Cell Wall; Chelating Agents; Copper; Dehydroascorbic Acid; Free Radical Scavengers; Glucans; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxyl Radical; Kinetics; Metals; Plants; Polysaccharides; Xylans | 1998 |
Ascorbate-mediated transplasma membrane electron transport in pulmonary arterial endothelial cells.
Topics: Animals; Ascorbic Acid; Cattle; Cell Membrane; Cells, Cultured; Dehydroascorbic Acid; Electron Transport; Endothelium, Vascular; Ferricyanides; Oxidoreductases; Pulmonary Artery; Thiazines | 1998 |
Glucocorticoid stimulation of Na+-dependent ascorbic acid transport in osteoblast-like cells.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Differentiation; Cell Line; Cycloheximide; Dehydroascorbic Acid; Deoxyglucose; Dexamethasone; Glucocorticoids; Kinetics; Mice; Osteoblasts; Rats; Sodium; Steroids | 1998 |
Tissue ascorbic acid and polyol pathway metabolism in experimental diabetes.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Diabetes Mellitus, Type 1; Disease Models, Animal; Female; Hypoglycemic Agents; Insulin; Kidney; Lens, Crystalline; Male; Oxidative Stress; Polymers; Rats; Rats, Inbred BB; Rats, Wistar; Reference Values; Sciatic Nerve; Streptozocin; Tissue Distribution | 1998 |
Spontaneous conversion of L-dehydroascorbic acid to L-ascorbic acid and L-erythroascorbic acid.
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry, Physical; Chromatography, High Pressure Liquid; Copper; Deferoxamine; Dehydroascorbic Acid; Electrochemistry; Gas Chromatography-Mass Spectrometry; Hydrogen-Ion Concentration; In Vitro Techniques; Iron; Models, Chemical; Molecular Structure; Oxidation-Reduction; Solutions; Spectrophotometry, Ultraviolet | 1998 |
Spontaneous hydrolysis and dehydration of dehydroascorbic acid in aqueous solution.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Desiccation; Gas Chromatography-Mass Spectrometry; Hydrolysis; Kinetics; Models, Chemical; Molecular Structure; Oxidation-Reduction; Oxygen Isotopes; Solutions; Time Factors; Water | 1998 |
Enzyme-dependent ascorbate recycling in human erythrocytes: role of thioredoxin reductase.
Topics: Arsenicals; Ascorbic Acid; Aurothioglucose; Cell Membrane; Cell-Free System; Dehydroascorbic Acid; Dinitrochlorobenzene; Dose-Response Relationship, Drug; Enzymes; Erythrocytes; Ferricyanides; Glutathione; Glutathione Transferase; Hemolysis; Humans; Ketones; NADP; Thioredoxin-Disulfide Reductase; Vitamin E | 1998 |
Differential expression of superoxide dismutase isoforms in neuronal and glial compartments in the course of excitotoxically mediated neurodegeneration: relation to oxidative and nitrergic stress.
Topics: Animals; Ascorbic Acid; Brain; Cell Compartmentation; Cytosol; Dehydroascorbic Acid; Isoenzymes; Male; Mitochondria; Neurodegenerative Diseases; Neuroglia; Neurons; Nitrogen; Oxidative Stress; Quinolinic Acid; Rats; Rats, Wistar; Receptors, N-Methyl-D-Aspartate; Superoxide Dismutase | 1998 |
Determination of the ascorbate free radical concentration in mixtures of ascorbate and dehydroascorbate.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Edetic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Hydrogen-Ion Concentration; Oxygen Consumption; Pentetic Acid | 1998 |
Networking antioxidants in the isolated rat heart are selectively depleted by ischemia-reperfusion.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Hydrogen Peroxide; In Vitro Techniques; Male; Myocardial Ischemia; Myocardial Reperfusion; Rats; Rats, Sprague-Dawley; Ubiquinone; Vitamin E | 1998 |
Dehydroascorbic acid prevents apoptosis induced by oxidized low-density lipoprotein in human monocyte-derived macrophages.
Topics: Alloxan; Apoptosis; Ascorbic Acid; Culture Media, Serum-Free; Dehydroascorbic Acid; Dithiothreitol; Humans; Inactivation, Metabolic; Lipoproteins, LDL; Macrophages; Monocytes; Oxidation-Reduction | 1998 |
Substrates of hexokinase, glucose-6-phosphate dehydrogenase, and glyceraldehyde-3-phosphate dehydrogenase prevent the inhibitory response induced by ascorbic acid/iron and dehydroascorbic acid in rabbit erythrocytes.
Topics: Animals; Ascorbic Acid; Chlorides; Dehydroascorbic Acid; Enzyme Activation; Erythrocytes; Ferric Compounds; Glucosephosphate Dehydrogenase; Glutathione; Glyceraldehyde-3-Phosphate Dehydrogenases; Hemolysis; Hexokinase; Rabbits; Substrate Specificity | 1998 |
Similarities in the metabolism of alloxan and dehydroascorbate in human erythrocytes.
Topics: Alloxan; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Ferricyanides; Humans; In Vitro Techniques; Ninhydrin; Oxidation-Reduction; Pentose Phosphate Pathway; Vitamin E | 1998 |
Ascorbate and glutathione homeostasis in vascular smooth muscle cells: cooperation with endothelial cells.
Topics: Acetylcysteine; Ascorbic Acid; Cells, Cultured; Coculture Techniques; Cystine; Dehydroascorbic Acid; Endothelium, Vascular; Glutathione; Homeostasis; Humans; Kinetics; Methionine; Muscle, Smooth, Vascular; Oxidation-Reduction; Phloretin; Umbilical Veins | 1998 |
Plasma and platelet ascorbate pools and lipid peroxidation in insulin-dependent diabetes mellitus.
Topics: Adult; Ascorbic Acid; Biomarkers; Blood Platelets; Dehydroascorbic Acid; Diabetes Mellitus, Type 1; Female; Humans; Lipid Peroxidation; Male; Malondialdehyde | 1998 |
A simple fluorometric determination of vitamin C.
Topics: 1-Butanol; Ascorbic Acid; Butanols; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Phenylenediamines; Reproducibility of Results; Spectrometry, Fluorescence | 1998 |
Degradation of dehydroascorbate to 2,3-diketogulonate in blood circulation.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Carboxylic Ester Hydrolases; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Glycation End Products, Advanced; Injections, Intravenous; Kinetics; Male; Oxidation-Reduction; Oxidative Stress; Rats; Rats, Wistar | 1998 |
Inhibition of copper-induced LDL oxidation by vitamin C is associated with decreased copper-binding to LDL and 2-oxo-histidine formation.
Topics: Antioxidants; Arteriosclerosis; Ascorbic Acid; Binding Sites; Copper; Dehydroascorbic Acid; Histidine; Humans; In Vitro Techniques; Lipid Peroxidation; Lipoproteins, LDL; Oxidation-Reduction; Protein Binding | 1999 |
Ascorbic acid recycling in Nb2 lymphoma cells: implications for tumor progression.
Topics: Animals; Apoptosis; Ascorbic Acid; Biological Transport, Active; Dehydroascorbic Acid; DNA Fragmentation; Glutathione; Lymphoma, T-Cell; NADP; Neoplasm Metastasis; Oxidative Stress; Phenotype; Rats; Tumor Cells, Cultured | 1999 |
The catalytic mechanism of the glutathione-dependent dehydroascorbate reductase activity of thioltransferase (glutaredoxin).
Topics: Animals; Ascorbic Acid; Catalysis; Cysteine; Dehydroascorbic Acid; Enzyme Activation; Enzyme Inhibitors; Glutaredoxins; Glutathione; Iodoacetamide; Isoelectric Focusing; Kinetics; Liver; Models, Chemical; Oxidation-Reduction; Oxidoreductases; Protein Disulfide Reductase (Glutathione); Recombinant Proteins; Serine; Swine | 1999 |
Analysis of ascorbic acid and dehydroascorbic acid in biological samples.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electrochemistry | 1999 |
Analysis of water-soluble antioxidants by high-performance liquid chromatography with electrochemical detection.
Topics: Antioxidants; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electrochemistry; Solutions; Water | 1999 |
Oxalogenesis in parenteral nutrition mixtures.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Butyrates; Chemical Precipitation; Dehydroascorbic Acid; Infusions, Intravenous; Oxalic Acid; Oxidation-Reduction; Oxygen; Parenteral Nutrition | 1999 |
Effect of deferoxamine on post-hypoxic-ischemic reperfusion injury of the newborn lamb heart.
Topics: Animals; Animals, Newborn; Ascorbic Acid; Chelating Agents; Deferoxamine; Dehydroascorbic Acid; Female; Heart; Hypoxia; Male; Malondialdehyde; Myocardial Ischemia; Myocardial Reperfusion Injury; Myocardium; Oxidation-Reduction; Sheep | 1999 |
Redox regulation of copper-metallothionein.
Topics: Animals; Antioxidants; Ascorbic Acid; Cell Survival; Cell-Free System; Copper; Cytoprotection; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; HL-60 Cells; Humans; Hydrogen Peroxide; Hydroxyl Radical; Lipid Peroxidation; Metallothionein; Oxidation-Reduction; Oxidative Stress; Rabbits | 1999 |
Inhibition by ascorbic acid of apoptosis induced by oxidative stress in HL-60 myeloid leukemia cells.
Topics: Antioxidants; Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; Fluoresceins; Fluorescent Dyes; Gene Expression; Genes, bcl-2; HL-60 Cells; Humans; Hydrogen Peroxide; Leukemia, Myeloid, Acute; Oxidative Stress; Peroxides | 1999 |
Ascorbate prevents prooxidant effects of urate in oxidation of human low density lipoprotein.
Topics: Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Humans; Lipoproteins, LDL; Oxidants; Oxidation-Reduction; Uric Acid | 1999 |
Inhibition of aldose reductase in human erythrocytes by vitamin C.
Topics: Aldehyde Reductase; Ascorbic Acid; Dehydroascorbic Acid; Enzyme Inhibitors; Erythrocytes; Glucose; Hemolysis; Humans; Intracellular Membranes; NADP; Sorbitol | 1999 |
Ascorbic acid-dehydroascorbate induces cell cycle arrest at G2/M DNA damage checkpoint during oxidative stress.
Topics: Animals; Antioxidants; Ascorbic Acid; Buthionine Sulfoximine; Cell Cycle Proteins; CHO Cells; Cricetinae; Cyclin A; Cyclin B; Dehydroascorbic Acid; DNA Damage; G2 Phase; Mitosis; Oxidative Stress | 1999 |
Glucose oxidase-produced H2O2 induces Ca2+-dependent DNA damage in human peripheral blood lymphocytes.
Topics: Antioxidants; Ascorbic Acid; Calcium; Catalase; Cells, Cultured; Cycloheximide; Cytochalasin B; Dehydroascorbic Acid; DNA; DNA Damage; Egtazic Acid; Electrophoresis; Glucose Oxidase; Humans; Hydrogen Peroxide; Kinetics; Lymphocytes; Oxidative Stress; Vitamin E | 1999 |
Role of ascorbic acid in transferrin-independent reduction and uptake of iron by U-937 cells.
Topics: Ascorbic Acid; Chelating Agents; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Humans; Iron; Oxidation-Reduction; Phenanthrolines; Transferrin; U937 Cells | 1999 |
Effects of combined irradiation and doxorubicin treatment on cardiac function and antioxidant defenses in the rat.
Topics: Animals; Antioxidants; Ascorbic Acid; Blood Pressure; Catalase; Cobalt Radioisotopes; Dehydroascorbic Acid; Doxorubicin; Gamma Rays; Glutathione Peroxidase; Heart; Heart Rate; Hemodynamics; In Vitro Techniques; Kinetics; Lipid Peroxidation; Male; Myocardium; Rats; Rats, Wistar; Superoxide Dismutase; Time Factors; Vitamin E | 1999 |
Low levels of dehydroascorbic acid in uraemic serum and the partial correction of dehydroascorbic acid deficiency by haemodialysis.
Topics: Adolescent; Adult; Ascorbic Acid; Dehydroascorbic Acid; Female; Humans; Male; Middle Aged; Renal Dialysis; Uremia | 1999 |
Vitamin C recycling and function in human monocytic U-937 cells.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electron Transport; Glutathione; Humans; Monocytes; Thioredoxin-Disulfide Reductase; U937 Cells | 1999 |
Glutathione-dependent ascorbate recycling activity of rat serum albumin.
Topics: Amino Acid Sequence; Animals; Antigen-Antibody Reactions; Ascorbic Acid; Dehydroascorbic Acid; Female; Glutathione; Kinetics; Molecular Sequence Data; Rats; Rats, Sprague-Dawley; Serum Albumin | 1999 |
The antioxidant status of patients subjected to total body irradiation.
Topics: Adolescent; Adult; Anemia, Aplastic; Antioxidants; Ascorbic Acid; Bone Marrow Transplantation; Child; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Female; Humans; Leukemia, Myeloid, Acute; Male; Middle Aged; Oxidative Stress; Uric Acid; Whole-Body Irradiation | 1999 |
Preferential uptake and accumulation of oxidized vitamin C by THP-1 monocytic cells.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Deoxyglucose; Energy Metabolism; Extracellular Space; Ferricyanides; Glutathione; Humans; Leukemia, Myeloid; Monocytes; Monosaccharide Transport Proteins; Oxidation-Reduction; Reducing Agents; Sulfhydryl Compounds; Tumor Cells, Cultured | 1999 |
Efflux of hepatic ascorbate: a potential contributor to the maintenance of plasma vitamin C.
Topics: Animals; Ascorbic Acid; Biological Transport; Blood Cells; Cell Line; Dehydroascorbic Acid; Electron Transport; Guinea Pigs; Humans; In Vitro Techniques; Kinetics; Liver; Male; Models, Biological; Monosaccharide Transport Proteins; Oxidation-Reduction; Rats; Rats, Wistar; Temperature | 1999 |
Ascorbate and dehydroascorbate modulate nitric oxide-induced vasodilations of rat coronary arteries.
Topics: 1-Methyl-3-isobutylxanthine; Animals; Ascorbic Acid; Coronary Vessels; Cyclic GMP; Dehydroascorbic Acid; Male; Nitric Oxide; Rats; Rats, Sprague-Dawley; Vasodilation | 1999 |
Glucose modulates vitamin C transport in adult human small intestinal brush border membrane vesicles.
Topics: Adult; Ascorbic Acid; Azides; Biological Transport; Dehydroascorbic Acid; Glucose; Humans; Intestinal Absorption; Intestine, Small; Microvilli; Thiocyanates; Tissue Distribution | 2000 |
Extracellular reduction of the ascorbate free radical by human erythrocytes.
Topics: Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Erythrocytes; Ferricyanides; Free Radicals; Glutathione; Humans; In Vitro Techniques; Kinetics; Oxidation-Reduction | 2000 |
Dehydroascorbic acid uptake in a human keratinocyte cell line (HaCaT) is glutathione-independent.
Topics: Ascorbic Acid; Biological Transport; Cell Line; Cytochalasin B; Dehydroascorbic Acid; Deoxyglucose; Enzyme Inhibitors; Ethacrynic Acid; Glucose; Glutathione; Humans; Iodoacetamide; Keratinocytes; Kinetics; Maleates; Oxidoreductases; p-Chloromercuribenzoic Acid; Quercetin; Sodium | 2000 |
Product and redox potential analysis of sauerkraut fermentation.
Topics: Ascorbic Acid; Brassica; Dehydroascorbic Acid; Fermentation; Food Handling; Hydrogen-Ion Concentration; Oxidation-Reduction | 2000 |
Preliminary studies of ascorbate metabolism in green and albino regions of variegated leaves of Coleus blumei, Benth.
Topics: Ascorbic Acid; Carotenoids; Chlorophyll; Dehydroascorbic Acid; Galactose Dehydrogenases; Light; Oxidation-Reduction; Plant Leaves | 1999 |
Diethyl pyrocarbonate modification abolishes fast electron accepting ability of cytochrome b561 from ascorbate but does not influence electron donation to monodehydroascorbate radical: identification of the modification sites by mass spectrometric analysi
Topics: Amino Acid Sequence; Animals; Ascorbic Acid; Cattle; Cytochrome b Group; Dehydroascorbic Acid; Diethyl Pyrocarbonate; Electron Transport; Free Radicals; Glucosides; Hydrolysis; Molecular Sequence Data; Oxidation-Reduction; Peptide Fragments; Pulse Radiolysis; Serine Endopeptidases; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization | 2000 |
The non-oxidative degradation of ascorbic acid at physiological conditions.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Buffers; Butyrates; Chromatography, High Pressure Liquid; Crystallins; Dehydroascorbic Acid; Humans; Hydrogen-Ion Concentration; Lens, Crystalline; Magnetic Resonance Spectroscopy; Oxalates; Oxidation-Reduction; Temperature; Tetroses | 2000 |
Simple in-line postcolumn oxidation and derivatization for the simultaneous analysis of ascorbic and dehydroascorbic acids in foods.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electrochemistry; Food Analysis; Fruit; Oxidation-Reduction; Vegetables | 2000 |
Intracellular accumulation of ascorbic acid is inhibited by flavonoids via blocking of dehydroascorbic acid and ascorbic acid uptakes in HL-60, U937 and Jurkat cells.
Topics: Animals; Ascorbic Acid; CHO Cells; Cricetinae; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Drug Interactions; Flavonoids; Glucose Transporter Type 1; Glucose Transporter Type 3; HL-60 Cells; Humans; Jurkat Cells; Monosaccharide Transport Proteins; Nerve Tissue Proteins; Quercetin; Rats; U937 Cells | 2000 |
Interconversion between dehydro-L-ascorbic acid and L-ascorbic acid.
Topics: Ascorbic Acid; Buffers; Dehydroascorbic Acid; Deuterium Oxide; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction | 2000 |
Inhibition of rabbit muscle isozymes by vitamin C.
Topics: Adenylate Kinase; Animals; Ascorbic Acid; Dehydroascorbic Acid; Enzyme Inhibitors; L-Lactate Dehydrogenase; Liver; Models, Biological; Muscle, Skeletal; Oxidation-Reduction; Phosphofructokinase-1; Rabbits; Sulfhydryl Compounds; Vitamin E; Vitamin K | 2000 |
Determination of ascorbic acid and dehydroascorbic acid in biological samples by high-performance liquid chromatography using subtraction methods: reliable reduction with tris[2-carboxyethyl]phosphine hydrochloride.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dithiothreitol; Humans; Hydrogen-Ion Concentration; Models, Chemical; Oxygen; Phosphines; Reproducibility of Results; Time Factors; Uric Acid | 2000 |
Dehydroascorbic acid transport by GLUT4 in Xenopus oocytes and isolated rat adipocytes.
Topics: Adipocytes; Adipose Tissue; Animals; Ascorbic Acid; Biological Transport; Cell Membrane; Dehydroascorbic Acid; Deoxyglucose; Epididymis; Glucose Transporter Type 4; Insulin; Kinetics; Male; Monosaccharide Transport Proteins; Muscle Proteins; Oocytes; Rats; Rats, Sprague-Dawley; Xenopus laevis | 2000 |
Erythrocytes reduce extracellular ascorbate free radicals using intracellular ascorbate as an electron donor.
Topics: Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Electron Transport; Erythrocyte Membrane; Erythrocytes; Free Radicals; Humans; In Vitro Techniques; Kinetics; NAD | 2000 |
Stimulation of the pentose phosphate pathway and glutathione levels by dehydroascorbate, the oxidized form of vitamin C.
Topics: Antioxidants; Apoptosis; Ascorbic Acid; Cell Line; Dehydroascorbic Acid; Glucosephosphate Dehydrogenase; Glutathione; Humans; Hydrogen Peroxide; Jurkat Cells; Pentose Phosphate Pathway; Phosphogluconate Dehydrogenase; Transaldolase | 2000 |
Enzymatically validated liquid chromatographic method for the determination of ascorbic and dehydroascorbic acids in fruit and vegetables.
Topics: Ascorbic Acid; Chromatography, Liquid; Dehydroascorbic Acid; Fruit; Oxidation-Reduction; Vegetables | 2000 |
13C NMR evidence of the failure of human erythrocytes to metabolize ascorbate and dehydroascorbate to lactate.
Topics: Ascorbic Acid; Carbon Isotopes; Dehydroascorbic Acid; Erythrocytes; Free Radicals; Humans; In Vitro Techniques; Kinetics; Lactic Acid; Magnetic Resonance Spectroscopy; Sugar Acids | 2000 |
Ascorbate and dehydroascorbate influence cell cycle progression in a tobacco cell suspension.
Topics: Ascorbate Oxidase; Ascorbic Acid; Cell Cycle; Cells, Cultured; Dehydroascorbic Acid; Nicotiana; Oxidation-Reduction; Plants, Toxic | 2000 |
The competition between methyl viologen and monodehydroascorbate radical as electron acceptors in spinach thylakoids and intact chloroplasts.
Topics: Ascorbate Peroxidases; Ascorbic Acid; Binding, Competitive; Chloroplasts; Dehydroascorbic Acid; Electron Transport; Free Radicals; Hydrogen Peroxide; NADP; Oxidation-Reduction; Oxygen; Paraquat; Peroxidases; Potassium Cyanide; Spinacia oleracea; Thylakoids | 2000 |
Hemiketal formation of dehydroascorbic acid drives ascorbyl radical anion disproportionation.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Kinetics; Molecular Structure; Oxidation-Reduction; Thermodynamics; Vitamin E | 2000 |
Impaired reductive regeneration of ascorbic acid in the Goto-Kakizaki diabetic rat.
Topics: 3-Hydroxysteroid Dehydrogenases; Animals; Ascorbic Acid; Blotting, Northern; Brain; Cells, Cultured; Cytosol; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Dose-Response Relationship, Drug; Hepatocytes; Liver; Microsomes, Liver; Oxidative Stress; Rats; Rats, Wistar; RNA, Messenger; Time Factors | 2000 |
Ascorbate regeneration by the reduced form of 2-amino-3-carboxy-1, 4-naphthoquinone, a strong growth stimulator for bifidobacteria.
Topics: Ascorbic Acid; Bifidobacterium; Dehydroascorbic Acid; Growth Substances; NADP; Naphthoquinones; Oxidation-Reduction; Propionibacterium | 2000 |
Phenylethylamine-induced generation of reactive oxygen species and ascorbate free radicals in tobacco suspension culture: mechanism for oxidative burst mediating Ca2+ influx.
Topics: Amines; Ascorbic Acid; Calcium; Catalase; Clorgyline; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Free Radicals; Hydrogen Peroxide; Luminol; Monoamine Oxidase Inhibitors; Nicotiana; Onium Compounds; Oxidation-Reduction; Pargyline; Phenethylamines; Plants, Toxic; Reactive Oxygen Species; Salicylamides; Superoxide Dismutase | 2000 |
Effect of chemotherapy on ascorbate and ascorbyl radical in cerebrospinal fluid and serum of acute lymphoblastic leukemia.
Topics: Adolescent; Adult; Antineoplastic Agents; Ascorbic Acid; Child; Child, Preschool; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Female; Humans; Male; Middle Aged; Models, Chemical; Precursor Cell Lymphoblastic Leukemia-Lymphoma; Temperature | 2000 |
Minor role of oxidative stress during intermediate phase of acute pancreatitis in rats.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Acute Disease; Aldehydes; Animals; Ascorbic Acid; Biomarkers; Ceruletide; Dehydroascorbic Acid; Deoxyguanosine; Glutathione; Glutathione Disulfide; Male; Malondialdehyde; Oxidation-Reduction; Oxidative Stress; Pancreatitis; Rats; Rats, Wistar; Reactive Oxygen Species; Taurocholic Acid | 2001 |
Topical L-ascorbic acid: percutaneous absorption studies.
Topics: Administration, Cutaneous; Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Skin; Skin Absorption; Sunscreening Agents; Swine | 2001 |
Glutathione deficiency potentiates manganese-induced increases in compounds associated with high-energy phosphate degradation in discrete brain areas of young and aged rats.
Topics: Aging; Animals; Antimetabolites; Ascorbic Acid; Brain; Buthionine Sulfoximine; Dehydroascorbic Acid; Drug Synergism; Energy Metabolism; Glutathione; Hypoxanthine; Inosine; Male; Manganese; Phosphates; Rats; Rats, Wistar; Tissue Distribution; Uric Acid; Xanthine | 2000 |
Oxidative stress induced by ascorbate causes neuronal damage in an in vitro system.
Topics: Androstadienes; Animals; Apoptosis; Ascorbic Acid; Brain; Ceramides; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Enzyme Inhibitors; Glutathione; Hypoxia-Ischemia, Brain; Lipid Peroxides; Male; Monosaccharide Transport Proteins; Nerve Degeneration; Organ Culture Techniques; Oxidative Stress; Rats; Rats, Sprague-Dawley; Rotenone; Signal Transduction; Sphingomyelins; Stroke; Uncoupling Agents; Wortmannin | 2001 |
Changes in oxygen-scavenging systems and membrane lipid peroxidation during maturation and ripening in blackberry.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Free Radical Scavengers; Fruit; Glutathione; Glutathione Disulfide; Lipid Peroxidation; Membrane Lipids; Oxidoreductases; Peroxidases; Species Specificity | 2001 |
Reduction of dehydroascorbic acid by homocysteine.
Topics: Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; DNA; Endothelium, Vascular; Homocysteine; Humans; Jurkat Cells; Oxidation-Reduction; U937 Cells | 2001 |
Involvement of oxidative stress in ascorbate-induced proapoptotic death of PC12 cells.
Topics: Acid Phosphatase; Androstadienes; Animals; Apoptosis; Ascorbic Acid; Biological Transport; Caspase Inhibitors; Caspases; Cell Death; Ceramides; Cysteine Proteinase Inhibitors; Cytochalasin B; Dehydroascorbic Acid; Glucose; Glutathione; In Situ Nick-End Labeling; Lipid Peroxidation; Monosaccharide Transport Proteins; Oxidation-Reduction; Oxidative Stress; PC12 Cells; Rats; Thiobarbituric Acid Reactive Substances; Wortmannin | 2001 |
Mitochondrial uptake and recycling of ascorbic acid.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Glutathione; Male; Mitochondria, Liver; Mitochondria, Muscle; Oxidation-Reduction; Rats; Submitochondrial Particles | 2001 |
Intracellular ascorbic acid enhances the DNA single-strand breakage and toxicity induced by peroxynitrite in U937 cells.
Topics: Ascorbic Acid; Dehydroascorbic Acid; DNA Damage; Ferricyanides; Free Radical Scavengers; Humans; Iron Chelating Agents; Nitrates; Oxidation-Reduction; U937 Cells | 2001 |
Ceruloplasmin as low-density lipoprotein oxidase: activation by ascorbate and dehydroascorbate.
Topics: Antioxidants; Ascorbic Acid; Ceruloplasmin; Copper; Dehydroascorbic Acid; Enzyme Activation; Female; Humans; Lipid Peroxides; Lipoproteins, LDL; Male; Oxidation-Reduction; Reducing Agents; Solubility; Vitamin E; Water | 2001 |
A comparative study of glutathione and ascorbate metabolism during germination of Pinus pinea L. seeds.
Topics: Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Cycadopsida; Dehydroascorbic Acid; Germination; Glutathione; Glutathione Disulfide; Glutathione Reductase; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Oxidoreductases; Oxidoreductases Acting on CH-CH Group Donors; Peroxidases; Ploidies; Seeds | 2001 |
Role of biological antioxidants in benzanthrone toxicity.
Topics: 2,3-Diketogulonic Acid; Adrenal Glands; Animals; Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Benz(a)Anthracenes; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Glutathione; Guinea Pigs; Liver; Male; Rats; Scurvy | 2001 |
Distinct mechanisms of transport of ascorbic acid and dehydroascorbic acid in intestinal epithelial cells (IEC-6).
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Line; Dehydroascorbic Acid; Deoxyglucose; Enzyme Inhibitors; Intestinal Mucosa; Intestine, Small; Rats; Sodium-Potassium-Exchanging ATPase | 2000 |
Mechanism of vitamin C inhibition of cell death induced by oxidative stress in glutathione-depleted HL-60 cells.
Topics: Ascorbic Acid; Catalase; Cell Death; Chromatography, High Pressure Liquid; Cytochalasin B; Dehydroascorbic Acid; Glutathione; Glutathione Peroxidase; Glutathione Reductase; HL-60 Cells; Humans; Hydrogen Peroxide; Oxidation-Reduction; Oxidative Stress; Reactive Oxygen Species; Superoxide Dismutase | 2001 |
Requirement for GSH in recycling of ascorbic acid in endothelial cells.
Topics: Animals; Ascorbic Acid; Biological Transport; Cattle; Dehydroascorbic Acid; Endothelium, Vascular; Glutathione; Humans | 2001 |
Dehydroascorbic acid, a blood-brain barrier transportable form of vitamin C, mediates potent cerebroprotection in experimental stroke.
Topics: Animals; Antioxidants; Ascorbic Acid; Biological Transport; Brain; Cerebrovascular Circulation; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Mice; Middle Cerebral Artery; Neuroprotective Agents; Reperfusion; Stroke; Time Factors; Treatment Outcome | 2001 |
Antioxidants attenuate early up regulation of retinal vascular endothelial growth factor in streptozotocin-diabetic rats.
Topics: Alternative Splicing; Animals; Antioxidants; Ascorbic Acid; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Endothelial Growth Factors; Fructose; Gene Expression Regulation; Glucose; Glutathione; Lipid Peroxidation; Lymphokines; Malondialdehyde; Rats; Retina; RNA, Messenger; Sorbitol; Taurine; Thioctic Acid; Vascular Endothelial Growth Factor A; Vascular Endothelial Growth Factors | 2001 |
Interactions among ascorbate, dehydroascorbate and glucose transport in cultured hippocampal neurons and glia.
Topics: Animals; Ascorbic Acid; Brain Injuries; Carbon Radioisotopes; Cells, Cultured; Dehydroascorbic Acid; Deoxyglucose; Drug Interactions; Fetus; Glucose; Glucose Transporter Type 1; Glutathione; Hippocampus; Monosaccharide Transport Proteins; Nerve Degeneration; Neuroglia; Neurons; Oxidative Stress; Rats | 2001 |
Mechanisms of ascorbic acid recycling in human erythrocytes.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose; Glutathione; Humans; Maleates; NAD; NADP; Oxidation-Reduction; Pentose Phosphate Pathway; Substrate Cycling | 2001 |
Quercetin prevents glutathione depletion induced by dehydroascorbic acid in rabbit red blood cells.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glutathione; Glutathione Disulfide; Oxidation-Reduction; Quercetin; Rabbits | 2001 |
Selenium spares ascorbate and alpha-tocopherol in cultured liver cell lines under oxidant stress.
Topics: alpha-Tocopherol; Animals; Ascorbic Acid; Culture Media; Dehydroascorbic Acid; Diazonium Compounds; Ferricyanides; Hepatocytes; Humans; Oxidation-Reduction; Oxidative Stress; Oxidoreductases; Rats; Selenocysteine; Sodium Selenite; Sulfanilic Acids; Thioredoxin-Disulfide Reductase; Thioredoxins; Tumor Cells, Cultured | 2001 |
Characterization of dehydroascorbic acid solutions by liquid chromatography/mass spectrometry.
Topics: Ascorbic Acid; Chromatography, Liquid; Dehydroascorbic Acid; Dimerization; Mass Spectrometry; Oxidation-Reduction | 2001 |
Very low vitamin C activity of orally administered L-dehydroascorbic acid.
Topics: Administration, Oral; Animals; Ascorbic Acid; Dehydroascorbic Acid; Disease Models, Animal; Male; Nutritional Requirements; Nutritive Value; Rats; Scurvy; Tissue Distribution | 2002 |
Intracellular flavonoids as electron donors for extracellular ferricyanide reduction in human erythrocytes.
Topics: 4-Chloromercuribenzenesulfonate; Ascorbic Acid; Dehydroascorbic Acid; Electron Transport; Erythrocyte Membrane; Erythrocytes; Ferricyanides; Flavonoids; Humans; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Quercetin | 2002 |
Dehydroascorbic acid reduction in several tissues and cultured hepatocytes of the chicken.
Topics: Animals; Ascorbic Acid; Brain; Chickens; Dehydroascorbic Acid; Hepatocytes; Male; Oxidoreductases | 2001 |
Reduction of dehydroerythorbic acid in vitamin C-deficient guinea pigs.
Topics: Animals; Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Guinea Pigs; Male; Scurvy | 2001 |
Hydroponically cultivated radish fed L-galactono-1,4-lactone exhibit increased tolerance to ozone.
Topics: Air Pollutants; Ascorbic Acid; Biological Transport; Brassicaceae; Dehydroascorbic Acid; Hydroponics; Models, Biological; Ozone; Plant Leaves; Sugar Acids; Time Factors | 2002 |
Vitamin C prevents DNA mutation induced by oxidative stress.
Topics: Alleles; Ascorbic Acid; Cell Line; Chloramphenicol O-Acetyltransferase; Dehydroascorbic Acid; DNA; DNA, Complementary; Dose-Response Relationship, Drug; Glutathione; Guanine; HL-60 Cells; Humans; Hydrogen Peroxide; Models, Biological; Mutation; Oxidative Stress; Oxygen; Plasmids; Tyrosine | 2002 |
Recycling of vitamin C by mammalian thioredoxin reductase.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Free Radicals; In Vitro Techniques; Kinetics; Liver; NADP; Oxidation-Reduction; Rats; Thioredoxin-Disulfide Reductase | 2002 |
Mitochondrial recycling of ascorbic acid from dehydroascorbic acid: dependence on the electron transport chain.
Topics: alpha-Tocopherol; Animals; Ascorbic Acid; Dehydroascorbic Acid; Electrons; Ferricyanides; Free Radicals; Intracellular Membranes; Mitochondria; Models, Biological; Muscle, Skeletal; Muscles; Rats; Succinic Acid; Temperature; Time Factors | 2002 |
Sepsis inhibits reduction of dehydroascorbic acid and accumulation of ascorbate in astroglial cultures: intracellular ascorbate depletion increases nitric oxide synthase induction and glutamate uptake inhibition.
Topics: Animals; Ascorbic Acid; Astrocytes; Biological Transport; Cell Survival; Cells, Cultured; Dehydroascorbic Acid; Enzyme Induction; Enzyme Inhibitors; Extracellular Space; Glial Fibrillary Acidic Protein; Glucose; Glutamic Acid; Interferon-gamma; Intracellular Fluid; Lipopolysaccharides; Nitric Oxide Synthase; Nitric Oxide Synthase Type II; Oxidation-Reduction; Rats; Rats, Wistar; Sepsis; Up-Regulation | 2002 |
Heat stress- and heat shock transcription factor-dependent expression and activity of ascorbate peroxidase in Arabidopsis.
Topics: Arabidopsis; Arabidopsis Proteins; Ascorbate Peroxidases; Ascorbic Acid; Chloroplast Proteins; Dehydroascorbic Acid; DNA-Binding Proteins; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Heat Shock Transcription Factors; Heat-Shock Proteins; Isoenzymes; Peroxidases; Phylogeny; RNA, Messenger; Temperature; Trans-Activators; Transcription Factors | 2002 |
Uptake, recycling, and antioxidant actions of alpha-lipoic acid in endothelial cells.
Topics: Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Endothelium, Vascular; Ferricyanides; Fluoresceins; Glucose; Glutathione; Humans; NAD; NADP; Nitric Oxide; Nitric Oxide Synthase; Nitric Oxide Synthase Type III; Oxidation-Reduction; Reactive Oxygen Species; Thioctic Acid; Umbilical Veins | 2002 |
Alpha-tocopherol protects cultured human cells from the acute lethal cytotoxicity of dioxin.
Topics: alpha-Tocopherol; Antioxidants; Ascorbic Acid; Cell Line; Cell Survival; Conjunctiva; Dehydroascorbic Acid; Dioxins; Endoplasmic Reticulum, Smooth; Epithelial Cells; Female; Golgi Apparatus; HeLa Cells; Humans; Hydrogen Peroxide; Microscopy, Electron; Polychlorinated Dibenzodioxins; Uterine Cervical Neoplasms; Vacuoles | 2002 |
Accumulation of intracellular ascorbate from dehydroascorbic acid by astrocytes is decreased after oxidative stress and restored by propofol.
Topics: Animals; Animals, Newborn; Ascorbic Acid; Astrocytes; Biological Transport, Active; Brain; Brain Ischemia; Cells, Cultured; Dehydroascorbic Acid; Deoxyglucose; Down-Regulation; Free Radical Scavengers; Fructose; Glucose; Intracellular Fluid; Oxidative Stress; Phloretin; Propofol; Rats; Rats, Wistar; Sodium; Sulfinpyrazone; Uricosuric Agents | 2002 |
Analysis of transmembrane redox reactions: interaction of intra- and extracellular ascorbate species.
Topics: Ascorbic Acid; Cell Membrane; Chemistry; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Magnetic Resonance Spectroscopy; Oxidation-Reduction; Time Factors | 2002 |
Recycling processes of cellular ascorbate generate oxidative stress in pancreatic tissues in in vitro system.
Topics: Animals; Ascorbic Acid; Cytochalasin B; Dehydroascorbic Acid; Glutathione; Islets of Langerhans; Male; Monosaccharide Transport Proteins; Oxidation-Reduction; Oxidative Stress; Pancreas; Rats; Rats, Sprague-Dawley; Thiobarbituric Acid Reactive Substances | 2002 |
Are diabetic neuropathy, retinopathy and nephropathy caused by hyperglycemic exclusion of dehydroascorbate uptake by glucose transporters?
Topics: Ascorbic Acid; Biological Transport; Blood Glucose; Dehydroascorbic Acid; Diabetes Mellitus; Diabetic Nephropathies; Diabetic Neuropathies; Diabetic Retinopathy; Endothelium; Humans; Kidney; Models, Biological; Monosaccharide Transport Proteins; Nervous System; Oxidative Stress; Retina | 2002 |
Differential regulation of hydrogen peroxide and Fas-dependent apoptosis pathways by dehydroascorbate, the oxidized form of vitamin C.
Topics: Animals; Antioxidants; Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; fas Receptor; Flow Cytometry; Free Radical Scavengers; Glucosephosphate Dehydrogenase; Glutathione; Humans; Hydrogen Peroxide; Jurkat Cells; Membrane Potentials; Mitochondria; Oxidants; Oxidation-Reduction; Phosphogluconate Dehydrogenase; Reactive Oxygen Species; Transaldolase; Tumor Cells, Cultured | 2002 |
Analysis of glycated and ascorbylated proteins by gas chromatography-mass spectrometry.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Fructose; Gas Chromatography-Mass Spectrometry; Glycoproteins; Hydrolysis; Lactoglobulins; Lactose; Maillard Reaction; Mass Spectrometry; Polylysine; Proteins; Ribose | 2002 |
Interfering with nitric oxide measurements. 4,5-diaminofluorescein reacts with dehydroascorbic acid and ascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Fluorescein; Nitric Oxide; Spectrometry, Fluorescence; Spectrometry, Mass, Electrospray Ionization | 2002 |
Up-regulation and polarized expression of the sodium-ascorbic acid transporter SVCT1 in post-confluent differentiated CaCo-2 cells.
Topics: Ascorbic Acid; Biological Transport; Cell Differentiation; Cells, Cultured; Dehydroascorbic Acid; Deoxyglucose; DNA; Dose-Response Relationship, Drug; Glucose Transporter Type 1; Glucose Transporter Type 5; Hexoses; Humans; Kinetics; Monosaccharide Transport Proteins; Organic Anion Transporters, Sodium-Dependent; Protein Conformation; Protein Transport; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sodium-Coupled Vitamin C Transporters; Symporters; Time Factors; Tumor Cells, Cultured; Up-Regulation | 2003 |
Ascorbyl free radical and dehydroascorbate formation in rat liver endoplasmic reticulum.
Topics: Animals; Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Endoplasmic Reticulum; Enzyme Inhibitors; Free Radicals; Male; Microsomes, Liver; Oxidation-Reduction; Proteins; Rats; Rats, Wistar; Sulfhydryl Compounds | 2002 |
Impaired ascorbic acid metabolism in streptozotocin-induced diabetic rats.
Topics: Animals; Ascorbic Acid; Blotting, Northern; Blotting, Western; Cells, Cultured; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; DNA Primers; Dose-Response Relationship, Drug; Kidney; L-Gulonolactone Oxidase; Liver; Liver Regeneration; Male; Microsomes, Liver; NADP; Organic Anion Transporters, Sodium-Dependent; Oxidative Stress; Oxidoreductases; Polymerase Chain Reaction; Rats; Rats, Wistar; RNA, Messenger; Sodium-Coupled Vitamin C Transporters; Sugar Alcohol Dehydrogenases; Symporters | 2002 |
Ascorbic acid assays of individual neurons and neuronal tissues using capillary electrophoresis with laser-induced fluorescence detection.
Topics: Animals; Aplysia; Ascorbic Acid; Dehydroascorbic Acid; Electrophoresis, Capillary; Lasers; Neurons; Spectrometry, Fluorescence | 2002 |
Recycling of vitamin C by a bystander effect.
Topics: Ascorbic Acid; Cytochalasin B; Dehydroascorbic Acid; Glucose; Humans; Neutrophils; Respiratory Burst; Superoxides; Tetradecanoylphorbol Acetate; Tumor Cells, Cultured | 2003 |
Effects of glutamate on dehydroascorbate uptake and its enhanced vulnerability to the peroxidation in cerebral cortical slices.
Topics: Animals; Ascorbic Acid; Biological Transport; Cerebral Cortex; Cytochalasin B; Dehydroascorbic Acid; Glutamic Acid; Glutathione; In Vitro Techniques; Lipid Peroxidation; Male; Oxidation-Reduction; Oxidative Stress; Rats; Rats, Sprague-Dawley; Thiobarbituric Acid Reactive Substances | 2002 |
Determination of vitamin C in plasma and dialysate from uremia patients by high performance liquid chromatography with electrochemical detection.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dialysis Solutions; Electrochemistry; Humans; Renal Dialysis; Uremia | 2002 |
Age-related decline of sodium-dependent ascorbic acid transport in isolated rat hepatocytes.
Topics: Aging; Animals; Ascorbic Acid; Biological Transport; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Deoxyglucose; Hepatocytes; Linear Models; Male; Organic Anion Transporters, Sodium-Dependent; Rats; Rats, Inbred F344; Sodium; Sodium-Coupled Vitamin C Transporters; Symporters | 2003 |
Zonal changes in ascorbate and hydrogen peroxide contents, peroxidase, and ascorbate-related enzyme activities in onion roots.
Topics: Ascorbate Peroxidases; Ascorbic Acid; Catalase; Dehydroascorbic Acid; Enzymes; Glutathione Reductase; Hydrogen Peroxide; Meristem; Microscopy, Electron; NADH, NADPH Oxidoreductases; Onions; Oxidoreductases; Peroxidase; Peroxidases; Plant Roots | 2003 |
Ascorbic acid blunts oxidant stress due to menadione in endothelial cells.
Topics: Ascorbic Acid; Biological Transport; Cell Line; Cells, Cultured; Dehydroascorbic Acid; Endothelium, Vascular; Fluorescent Dyes; Humans; Kinetics; Oxidative Stress; Vitamin K 3 | 2003 |
Biochemical changes in arthritic rats: dehydroascorbic and ascorbic acid levels.
Topics: Animals; Arthritis, Experimental; Ascorbic Acid; Dehydroascorbic Acid; Male; Rats; Rats, Wistar | 2003 |
Effect of zinc on antioxidant response in maize (Zea mays L.) leaves.
Topics: Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Chlorophyll; Dehydroascorbic Acid; Glutathione Reductase; Lipid Peroxides; Necrosis; Peroxidases; Plant Leaves; Superoxide Dismutase; Zea mays; Zinc | 2002 |
Non-protein-bound transition metals and hydroxyl radical generation in cerebrospinal fluid of newborn infants with hypoxic ischemic encephalopathy.
Topics: Allantoin; Ascorbic Acid; Biomarkers; Copper; Dehydroascorbic Acid; Female; Humans; Hydroxyl Radical; Hypoxia-Ischemia, Brain; Infant, Newborn; Iron; Male; Oxidative Stress; Protein Binding; Reactive Oxygen Species | 2003 |
Vitamin C inhibits FAS-induced apoptosis in monocytes and U937 cells.
Topics: Apoptosis; Ascorbic Acid; Caspases; Dehydroascorbic Acid; Enzyme Activation; fas Receptor; Humans; Intracellular Membranes; Mitochondria; Monocytes; Reactive Oxygen Species; U937 Cells | 2003 |
Dehydroascorbic acid in urine as a possible indicator of surgical stress.
Topics: Adult; Aged; Arthroplasty, Replacement, Hip; Ascorbic Acid; Dehydroascorbic Acid; Hip Joint; Humans; Injections, Intravenous; Middle Aged; Oxidation-Reduction; Stress, Physiological | 2003 |
Effects of leaf ascorbate content on defense and photosynthesis gene expression in Arabidopsis thaliana.
Topics: Antioxidants; Arabidopsis; Ascorbic Acid; Catalase; Chloroplasts; Dehydroascorbic Acid; Gene Expression Regulation, Plant; Glutathione Transferase; Metallothionein; Oligonucleotide Array Sequence Analysis; Oxidation-Reduction; Oxidoreductases; Photosynthesis; Plant Leaves; Plant Proteins; Polymerase Chain Reaction; Protein Isoforms; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Superoxide Dismutase | 2003 |
Effects of processing treatment and sorbate addition on the flavor characteristics of apple cider.
Topics: Alcohols; Aldehydes; Ascorbic Acid; Beverages; Dehydroascorbic Acid; Drug Combinations; Food Handling; Food Irradiation; Hot Temperature; Humans; Malus; Sorbic Acid; Taste; Threonine | 2003 |
Vitamin C protects low-density lipoprotein from homocysteine-mediated oxidation.
Topics: Ascorbic Acid; Cardiovascular Diseases; Copper; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Free Radicals; Homocysteine; Humans; Iron; Lipoproteins; Lipoproteins, LDL; Oxidants; Oxidation-Reduction; Oxidative Stress; Oxygen; Temperature; Thiobarbituric Acid Reactive Substances; Time Factors; Vitamin E | 2003 |
Rocket-powered high-performance liquid chromatographic analysis of plant ascorbate and glutathione.
Topics: Antioxidants; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Oxidation-Reduction; Plant Extracts; Time Factors | 2003 |
Vitamin C metabolomic mapping in the lens with 6-deoxy-6-fluoro-ascorbic acid and high-resolution 19F-NMR spectroscopy.
Topics: 2,3-Diketogulonic Acid; Adult; Aged; Animals; Ascorbic Acid; Biological Transport; Buthionine Sulfoximine; Cataract; Cell Culture Techniques; Cytochalasin B; Dehydroascorbic Acid; Enzyme Inhibitors; Epithelial Cells; Fluorine Radioisotopes; Galactose; Glucose; Glutathione; Humans; Hyperglycemia; Lens, Crystalline; Magnetic Resonance Spectroscopy; Male; Middle Aged; Organ Culture Techniques; Oxidative Stress; Rabbits; Rats; Rats, Sprague-Dawley | 2003 |
Recycling of vitamin C from its oxidized forms by human endothelial cells.
Topics: Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; Endothelium, Vascular; Free Radicals; Glutathione; Humans; NAD; Oxidation-Reduction | 2003 |
Modification of analytical procedures for determining vitamin C enzyme (L-gulonolactone oxidase) activity in swine liver.
Topics: Animals; Ascorbic Acid; Cold Temperature; Dehydroascorbic Acid; L-Gulonolactone Oxidase; Liver; Reproducibility of Results; Spectrophotometry; Sugar Acids; Sugar Alcohol Dehydrogenases; Swine; Time Factors | 2003 |
Ascorbic acid spares alpha-tocopherol and decreases lipid peroxidation in neuronal cells.
Topics: alpha-Tocopherol; Ascorbic Acid; Biological Transport; Cell Line; Cytoprotection; Dehydroascorbic Acid; Ferricyanides; Humans; Lipid Peroxidation; Malondialdehyde; Neurons; Oxidative Stress | 2003 |
Bioavailability of oxidized vitamin C (dehydroascorbic acid).
Topics: Antioxidants; Ascorbic Acid; Biological Availability; Dehydroascorbic Acid; Enterocytes; Food Handling; Humans; Intestinal Absorption; Oxidation-Reduction | 2002 |
Bioavailability of oxidized vitamin C (dehydroascorbic acid).
Topics: Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Beverages; Biological Availability; Citrus; Dehydroascorbic Acid; Evidence-Based Medicine; Food Handling; Food, Fortified; Humans; Intestinal Absorption; Nutrition Policy; Oxidation-Reduction; United States | 2002 |
Vitamin C metabolomic mapping in experimental diabetes with 6-deoxy-6-fluoro-ascorbic acid and high resolution 19F-nuclear magnetic resonance spectroscopy.
Topics: 2,3-Diketogulonic Acid; Animals; Ascorbic Acid; Body Weight; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Fluorine; Fluorine Radioisotopes; Homeostasis; Kinetics; Magnetic Resonance Spectroscopy; Male; Organ Size; Osmolar Concentration; Oxidation-Reduction; Rats; Rats, Sprague-Dawley | 2003 |
Elevated carbon dioxide increases contents of antioxidant compounds in field-grown strawberries.
Topics: Antioxidants; Ascorbic Acid; Carbon Dioxide; Dehydroascorbic Acid; Flavonoids; Fragaria; Fruit; Glutathione; Oxidation-Reduction | 2003 |
Role of ascorbic acid in the modulation of inhibition of platelet aggregation by polymorphonuclear leukocytes.
Topics: Adenosine Diphosphate; Adult; Animals; Ascorbic Acid; Blood Platelets; Cyclic GMP; Dehydroascorbic Acid; Humans; Macaca mulatta; Male; Neutrophils; Nitric Oxide; Platelet Aggregation; Rats; Rats, Sprague-Dawley | 2003 |
Role of ascorbate in the regulation of nitric oxide generation by polymorphonuclear leukocytes.
Topics: Animals; Ascorbic Acid; Biopterins; Blood Platelets; Citrulline; Dehydroascorbic Acid; Flow Cytometry; Haplorhini; Humans; Iodoacetamide; Male; Neutrophils; Nitric Oxide; Nitrites; Oxidation-Reduction; Oxygen; Rats; Rats, Sprague-Dawley | 2003 |
Dehydroascorbate uptake activity correlates with cell growth and cell division of tobacco bright yellow-2 cell cultures.
Topics: Ascorbic Acid; Biological Transport; Carbon Radioisotopes; Carrier Proteins; Cell Cycle; Cell Division; Cell Membrane; Cells, Cultured; Dehydroascorbic Acid; Dithiothreitol; Ferricyanides; Kinetics; Nicotiana | 2003 |
Reduction of dehydroascorbic acid by bacteria. 2. Role of cytochrome in hydrogen transport.
Topics: Ascorbic Acid; Bacteria; Carbohydrate Metabolism; Cytochromes; Dehydroascorbic Acid; Hydrogen | 1952 |
[Significance of intervitamin correlations. III. Content of ascorbic and dehydroascorbic acid in vitamin C deficient and biotin treated guinea pigs].
Topics: Animals; Ascorbic Acid; Biotin; Dehydroascorbic Acid; Guinea Pigs; Scurvy; Vitamins | 1952 |
[Significance of intervitamin correlations. IV. Content of ascorbic and dehydroascorbic acids in organs of vitamin C-deficient and thiamine-treated guinea pigs].
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Guinea Pigs; Scurvy; Thiamine | 1952 |
[Studies on experimental polyavitaminosis. I. Dehydroascorbic acid/ascorbic acid relation in organs of guinea pigs with vitamin C and B polydeficiency].
Topics: Animals; Ascorbic Acid; Avitaminosis; Dehydroascorbic Acid; Guinea Pigs; Humans; Vitamins | 1952 |
[Studies on experimental polyavitaminosis. II. Dehydroascorbic acid/ascorbic acid relation in organs of guinea pigs with vitamin C and A or CA and B poly-deficiency].
Topics: Animals; Ascorbic Acid; Avitaminosis; Dehydroascorbic Acid; Guinea Pigs; Vitamins | 1952 |
The effect of cortisone and adrenocorticotropic hormone on the dehydroascorbic acid of human plasma.
Topics: Adrenocorticotropic Hormone; Ascorbic Acid; Blood; Cortisone; Dehydroascorbic Acid; Humans; Vitamins | 1953 |
Effect of dehydroascorbic acid in rabbits.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Rabbits; Vitamins | 1953 |
[Total vitamin C determination. 2. Determination of dehydroascorbic acid with thioacetamide].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Thioacetamide; Vitamins | 1953 |
[Diabetogenic effect of simultaneous therapy with glucose and dehydroascorbic acid in rat].
Topics: Animals; Ascorbic Acid; Catabolite Repression; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Glucose; Rats; Vitamins | 1953 |
Dehydroascorbic-acid level of blood in health and in typhoid fever.
Topics: Ascorbic Acid; Blood; Dehydroascorbic Acid; Health; Humans; Typhoid Fever; Vitamins | 1953 |
[Metabolism of adrenal cortex and biosynthesis of corticosteroids. VI. Effect of ascorbic and dehydroascorbic acid system on biosynthesis of corticosteroids with special reference to the hydrogen ion concentration].
Topics: Adrenal Cortex; Adrenal Cortex Hormones; Ascorbic Acid; Dehydroascorbic Acid; Glucocorticoids; Hydrogen-Ion Concentration; Vitamins | 1954 |
[Paper chromatography of ascorbic acid and dehydroascorbic acid].
Topics: Ascorbic Acid; Chromatography; Chromatography, Paper; Dehydroascorbic Acid; Vitamins | 1954 |
Reduction of dehydroascorbic acid by bacteria. III. Enzymic activation of dehydroascorbic acid.
Topics: Ascorbic Acid; Bacteria; Dehydroascorbic Acid; Escherichia coli; Vitamins | 1954 |
The use of homocysteine in the estimation of dehydroascorbic acid.
Topics: Amino Acids; Ascorbic Acid; Dehydroascorbic Acid; Homocysteine; Oxidation-Reduction; Vitamins | 1954 |
The effect of ascorbic acid oxidation on mucoids and bacteria in body secretions.
Topics: Ascorbic Acid; Bacteria; Dehydroascorbic Acid; Oxidation-Reduction; Proteins; Saliva | 1954 |
Metabolism of dehydroascorbic acid and the effect of adrenocorticotrophic hormone and cortisone.
Topics: Adrenocorticotropic Hormone; Ascorbic Acid; Cortisone; Dehydroascorbic Acid; Vitamins | 1954 |
[Paper chromatographic determination of ascorbic and dehydroascorbic acids].
Topics: Ascorbic Acid; Chromatography; Chromatography, Paper; Dehydroascorbic Acid; Vitamins | 1955 |
Ascorbic-dehydroascorbic acid as an oxidation-reduction system, in the maintenance of the metabolism of lens cultured in vitro. I. Weight and cation equilibrium.
Topics: Ascorbic Acid; Body Weight; Cations; Dehydroascorbic Acid; In Vitro Techniques; Lens, Crystalline; Oxidation-Reduction | 1955 |
Prevention of dehydroascorbic acid diabetes by the sodium salt of the condensation product of glucose and acetoacetate.
Topics: Acetoacetates; Animals; Ascorbic Acid; Biomedical Research; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Glucose; Sodium; Vitamins | 1956 |
The glutathione content of blood and tissues following alloxan and dehydroascorbic acid injections.
Topics: Alloxan; Ascorbic Acid; Blood; Dehydroascorbic Acid; Glutathione; Humans; Vitamins | 1956 |
Antimicrobial effect in vitro of the ascorbic acid oxidation. I. Effect on bacteria, fungi and viruses in pure cultures.
Topics: Anti-Infective Agents; Ascorbic Acid; Bacteria; Dehydroascorbic Acid; Fungi; In Vitro Techniques; Oxidation-Reduction; Viruses | 1955 |
Antimicrobial effect in vitro of the ascorbic acid oxidation. II. Influence of various chemical and physical factors.
Topics: Anti-Infective Agents; Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; In Vitro Techniques; Oxidation-Reduction | 1955 |
[Participation of ascorbic acid and dehydroascorbic acid in plant and animal metabolic processes].
Topics: Animals; Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Ethanol; Hydrogen Peroxide; Plants | 1956 |
[Studies of complicated cataract. VII. Equilibrium between ascorbic acid and dehydroascorbic acid in ocular tissues and liquids in normal persons and during the inflammation of the uvea].
Topics: Ascorbic Acid; Cataract; Dehydroascorbic Acid; Disease; Eye; Humans; Inflammation; Uvea | 1956 |
The effects of ACTH and dehydroascorbic acid on the serum and urinary uric acid level in rabbits.
Topics: Adrenocorticotropic Hormone; Animals; Ascorbic Acid; Dehydroascorbic Acid; Humans; Rabbits; Uric Acid; Urinary Tract; Vitamins | 1956 |
[In vitro reduction of dehydroascorbic acid by glutathione, and acceleration of reduction by some extracts of vegetable and animal origin].
Topics: Acceleration; Animals; Ascorbic Acid; Biochemical Phenomena; Dehydroascorbic Acid; Glutathione; In Vitro Techniques; Vegetables; Vitamins | 1956 |
[Determination of acorbic acid in blood, plasma and serum as 2, 4-dinitrophenyl-osazone of dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Plasma; Vitamins | 1956 |
[Enzyme system which reduces 1-dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Enzymes; Vitamins | 1956 |
[Enzyme system which reduces I-dehydroascorbic acid. II].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Enzymes; Vitamins | 1956 |
Further studies on the prevention of dehydroascorbic acid diabetes by the condensation product of glucose and acetoacetate.
Topics: Acetoacetates; Animals; Ascorbic Acid; Biomedical Research; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Glucose; Vitamins | 1957 |
Investigations on the toxic effect of ascorbic acid oxidation.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Vitamins | 1957 |
Acetoacetate induced dehydroascorbic acid accumulation in blood and tissues and its prevention by glucose-cyclo-acetoacetate.
Topics: Acetoacetates; Ascorbic Acid; Biomedical Research; Dehydroascorbic Acid; Glucose; Vitamins | 1957 |
Histological changes in rats rendered hyperglycaemic by injection of dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Hyperglycemia; Injections; Rats; Vitamins | 1956 |
Observations on the administration of dehydroascorbic acid in diabetogenic doses to albino rats.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Rats; Vitamins | 1956 |
The effect of the Ingestion of ascorbic acid and dehydroascorbic acid upon the blood levels of these two components in human subjects.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Eating; Humans; Vitamins | 1958 |
Human utilization of dehydroascorbic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Vitamins | 1958 |
[Central & peripheral sympathetic activation by dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Sympathetic Nervous System | 1958 |
[Mechanism of the inhibition of ascorbic acid oxidation by proteins. III].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Proteins; Vitamins | 1958 |
Ascorbic acid and photosynthesis. I. Monodehydroascorbic acid reductase of chloroplasts.
Topics: Ascorbic Acid; Chlorophyll; Chloroplasts; Dehydroascorbic Acid; Oxidoreductases; Photosynthesis | 1958 |
[Effects of dehydroascorbic acid on tumor metabolism].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Neoplasms; Neoplasms, Experimental; Vitamins | 1958 |
[Experimental & clinical trial of the effects of dehydroascorbic acid on tumor growth].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Neoplasms; Vitamins | 1959 |
The catalysis of ascorbic acid oxidation by copper and its complexes with amino acids, peptides, and proteins.
Topics: Amino Acids; Ascorbic Acid; Catalysis; Copper; Dehydroascorbic Acid; Peptides; Proteins | 1959 |
Spectrophotometric measurements on ascorbic acid and their use for the estimation of ascorbic acid and dehydroascorbic acid in plant tissues.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Plants; Spectrophotometry; Vitamins | 1961 |
[On the effect of dehydroascorbic acid on the survival time of x-irradiated mice].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Mice; Radiation Effects; Vitamins | 1960 |
[Restoration of dehydroascorbic acid by the aortic tissue in acute radiation sickness in guinea piga].
Topics: Animals; Aorta; Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Guinea; Radiation Injuries; Radiation Injuries, Experimental | 1961 |
L-Ascorbic acid degradation by bacteria. VII. Metabolic pathway through dehydroascorbic acid.
Topics: Ascorbic Acid; Bacteria; Carbohydrate Metabolism; Dehydroascorbic Acid; Metabolic Networks and Pathways | 1961 |
[On diabeted caused by dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus; Vitamins | 1961 |
Metabolism of dehydroascorbic acid in human subjects.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Vitamins | 1960 |
Enzymatic transformation of dehydroascorbic acid to diketogulonic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Kernicterus; Vitamins | 1960 |
Inhibition of liver hexokinase by dehydroascorbic acid and alloxan.
Topics: Alloxan; Ascorbic Acid; Dehydroascorbic Acid; Hexokinase; Humans; Liver; Vitamins | 1959 |
[Determination of total ascorbic acid by the use of a suspension of Erwinia solanisapra. 2. Specificity of the reduction of dehydroascorbic acid by these bacteria. Modifications contributed to the determination of technic].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Erwinia; Humans; Sensitivity and Specificity; Suspensions; Vitamins | 1960 |
[Experimental results of the combined use of dehydroascorbic acid and ionizing rays on Yoshida sarcoma in rats].
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Radiation; Radiation Effects; Rats; Sarcoma, Experimental; Sarcoma, Yoshida; Vitamins | 1962 |
[Effect of dehydroascorbic acid on the activity of pancreatic lipase in the cat].
Topics: Animals; Ascorbic Acid; Cats; Dehydroascorbic Acid; Felis; Lipase; Pancreas; Vitamins | 1962 |
[Effect of dehydroascorbic acid on the rate of the enolase and fumarase reaction].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Fumarate Hydratase; Lyases; Mixed Function Oxygenases; Phosphopyruvate Hydratase | 1962 |
[Demonstration of a type of undescribed combinations between dehydroascorbic acid and certain amino acids].
Topics: Amino Acids; Ascorbic Acid; Dehydroascorbic Acid; Glycerol | 1963 |
Reduction of dehydroascorbic acid by aortic tissue of guinea pigs during acute radiation sickness.
Topics: Animals; Aorta; Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Guinea Pigs; Radiation Injuries; Radiation Injuries, Experimental | 1961 |
A STUDY OF THE REACTION OF THE ASCORBIC-DEHYDROASCORBIC ACID SYSTEM AND RELATED MODEL COMPOUNDS WITH AMPHETAMINE.
Topics: Amphetamine; Amphetamines; Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Research | 1962 |
[ON THE EFFECT OF DEHYDROASCORBIC ACID ON CONDITIONED REFLEX ACTIVITY IN GUINEA PIGS].
Topics: Animals; Ascorbic Acid; Brain; Conditioning, Classical; Dehydroascorbic Acid; Guinea Pigs; Nervous System Physiological Phenomena; Reflex; Research | 1963 |
[ON THE MECHANISM OF MICROSOMAL ASCORBIC ACID-DEPENDENT NADH2-OXIDATION].
Topics: Ascorbic Acid; Cytoplasm; Dehydroascorbic Acid; Infrared Rays; NAD; Oxidation-Reduction; Research; Ultraviolet Rays | 1963 |
[PAPER CHROMATOGRAPHIC DETECTION OF AMINO ACIDS WITH DEHYDROASCORBIC ACID].
Topics: Amino Acids; Ascorbic Acid; Chromatography; Chromatography, Paper; Dehydroascorbic Acid; Research | 1964 |
[ON DIMERIC DEHYDROASCORBIC ACID].
Topics: Ascorbic Acid; Chemical Phenomena; Chemistry; Dehydroascorbic Acid; Polymers; Research | 1963 |
[MECHANISM OF ASCORBIC ACID-DEPENDENT NADH2 OXIDATION IN LIVER MICROSOMES].
Topics: Ascorbic Acid; Cytoplasm; Dehydroascorbic Acid; Metabolism; Mice; Microsomes, Liver; NAD; Research | 1964 |
THE REDUCTION OF DEHYDROASCORBIC ACID BY HAEMOLYSATES OF PERNICIOUS ANAEMIA ERYTHROCYTES.
Topics: Anemia; Anemia, Pernicious; Ascorbic Acid; Clinical Enzyme Tests; Dehydroascorbic Acid; Erythrocytes; Hemolysis; Humans; Oxidoreductases; Vitamin B 12 | 1964 |
THE UPTAKE AND REDUCTION OF DEHYDROASCORBIC ACID BY HUMAN LEUCOCYTES.
Topics: Ascorbic Acid; Benzoates; Chloromercuribenzoates; Dehydroascorbic Acid; Iodoacetates; Leukocytes; Metabolism; Pharmacology | 1964 |
[ON THE IMPORTANCE OF SEMI-DEHYDROASCORBIC ACID FOR MICROSOMAL ASCORBIC ACID-DEPENDENT NADH-OXIDATION].
Topics: Adrenal Glands; Ascorbic Acid; Dehydroascorbic Acid; Liver; Microsomes; NAD; Oxidation-Reduction; Proteins; Research | 1964 |
[EFFECT OF NAD, RIBOFLAVIN AND DEHYDROASCORBIC ACID ON AEROBIC GLYCOLYSIS IN RAT LIVER].
Topics: Adenine Nucleotides; Ascorbic Acid; Carbohydrate Metabolism; Citric Acid Cycle; Dehydroascorbic Acid; Glucose; Glycolysis; Hexosephosphates; Lactates; Liver; Metabolism; NAD; Oxidation-Reduction; Oxygen; Pharmacology; Rats; Research; Riboflavin | 1964 |
CERVICAL MUCUS AND SERUM ASCORBIC AND DEHYDROASCORBIC ACID CONCENTRATIONS DURING THE MENSTRUAL CYCLE.
Topics: Ascorbic Acid; Biochemical Phenomena; Biochemistry; Blood Chemical Analysis; Cervix Mucus; Dehydroascorbic Acid; Female; Humans; Menstrual Cycle; Menstruation | 1965 |
[SPECIFIC DEMONSTRATION AND QUANTITATIVE DETERMINATION OF DEHYDROASCORBIC ACID AFTER PAPER CHROMATOGRAPHIC SEPARATION].
Topics: Ascorbic Acid; Chemistry, Pharmaceutical; Chromatography; Dehydroascorbic Acid; Pharmacy; Research | 1964 |
[EFFECT OF DEHYDROASCORBIC ACID ON THE RATE OF THE ACONITASE REACTION].
Topics: Aconitate Hydratase; Animals; Ascorbic Acid; Chemistry Techniques, Analytical; Dehydroascorbic Acid; Hydro-Lyases; Myocardium; Swine | 1964 |
REDUCED NICOTINAMIDE-ADENINE DINUCLEOTIDE-DEPENDENT REDUCTION OF SEMIDEHYDROASCORBIC ACID.
Topics: Animals; Ascorbic Acid; Chromatography; Dehydroascorbic Acid; Liver; Metabolism; Microsomes; NAD; Research; Swine | 1965 |
[SEPARATION OF ASCORBIC ACID AND DEHYDROASCORBIC ACID BY MEANS OF PARTITION CHROMATOGRAPHY].
Topics: Ascorbic Acid; Chromatography; Chromatography, Liquid; Dehydroascorbic Acid; Rare Diseases; Research | 1965 |
[ORGANIC CATALYSTS, LXXV. CHELATE CATALYSIS, 18. ON REACTION INACTIVATION OF ASCORBIC ACID OXIDATION CATALYZED BY COBALT-N,N'-BIS-(5-SULFOSALICYLIDENE)-ETHYLENEDIAMINE].
Topics: Ascorbic Acid; Catalysis; Cobalt; Dehydroascorbic Acid; Ethylenediamines; Oxidation-Reduction; Research | 1965 |
STUDIES ON DEHYDROASCORBIC ACID REDUCTASE IN ESCHERICHIA COLI K12.
Topics: Ascorbic Acid; Chromatography; Dehydroascorbic Acid; Escherichia coli; Escherichia coli K12; Metabolism; Oxidoreductases | 1965 |
THE ASCORBIC ACID-DEPENDENT OXIDATION OF REDUCED NICOTINAMIDE-ADENINE DINUCLEOTIDE BY CILIARY AND RETINAL MICROSOMES.
Topics: Acetazolamide; Aqueous Humor; Ascorbic Acid; Benzoates; Bicarbonates; Chemistry Techniques, Analytical; Chloromercuribenzoates; Chloroquine; Ciliary Body; Cortisone; Cyanides; Cytochromes; Dehydroascorbic Acid; Enzyme Inhibitors; Eye; Iodoacetates; Lens, Crystalline; Microsomes; NAD; NADP; Oxidation-Reduction; Oxidoreductases; Pharmacology; Research; Retina | 1965 |
[Ascorbic acid oxidation in clinical dentistry; preliminary report].
Topics: Ascorbic Acid; Bacteriology; Dehydroascorbic Acid; Dentistry; Gingivitis; Humans; Mouth; Oxidation-Reduction; Saliva; Stomatitis | 1954 |
Dehydroascorbic acid level in blood of patients suffering from various infectious diseases.
Topics: Ascorbic Acid; Blood; Communicable Diseases; Dehydroascorbic Acid; Humans; Vitamins | 1955 |
[Protective effects of dehydroascorbic acid on the oxidation of o-diphenols].
Topics: Ascorbic Acid; Biochemical Phenomena; Dehydroascorbic Acid; Oxidation-Reduction; Phenols; Vitamins | 1955 |
[On influencing the metabolism of cancer cells by dehydroascorbic acid].
Topics: Antineoplastic Agents; Ascorbic Acid; Dehydroascorbic Acid; Humans; Vitamins | 1960 |
An animal test and a clinical experiment to influence tumourous growth by dehydroascorbic acid.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Humans; Neoplasms; Neoplasms, Experimental; Vitamins | 1959 |
[On the production of anhydrous 1-dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Vitamins | 1959 |
Studies on the accelerating effect of cyanide on ascorbic acid oxidation by intestinal homogenate of rats.
Topics: Animals; Ascorbic Acid; Carbohydrate Metabolism; Cyanides; Dehydroascorbic Acid; Intestinal Mucosa; Rats | 1961 |
[Capacity of some tissues of the animal body to regenerate dehydroascorbic acid in chronic carbon monoxide poisoning].
Topics: Air Pollutants; Animals; Ascorbic Acid; Carbon Monoxide; Carbon Monoxide Poisoning; Dehydroascorbic Acid; Vitamins | 1962 |
Enhancing effects of intracellular ascorbic acid on peroxynitrite-induced U937 cell death are mediated by mitochondrial events resulting in enhanced sensitivity to peroxynitrite-dependent inhibition of complex III and formation of hydrogen peroxide.
Topics: Ascorbic Acid; Cell Death; Dehydroascorbic Acid; Drug Synergism; Electron Transport Complex III; Humans; Hydrogen Peroxide; Ion Channels; Mitochondria; Mitochondrial Membrane Transport Proteins; Mitochondrial Permeability Transition Pore; Oxygen Consumption; Peroxynitrous Acid; U937 Cells | 2004 |
Vitamin C recycling is enhanced in the adaptive response to leptin-induced oxidative stress in keratinocytes.
Topics: Adaptation, Physiological; Antioxidants; Ascorbic Acid; Catalase; Cells, Cultured; Dehydroascorbic Acid; Glutathione; Glutathione Peroxidase; Homeostasis; Humans; Keratinocytes; Leptin; Oxidative Stress; Reactive Oxygen Species; Superoxide Dismutase; Transcription Factor AP-1 | 2003 |
Ascorbic acid recycling in human erythrocytes is induced by smoking in vivo.
Topics: Antioxidants; Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Erythrocytes; Free Radicals; Glutathione; Glutathione Reductase; Humans; Malondialdehyde; Oxidative Stress; Oxygen; Smoking; Vitamins | 2003 |
Differential effects of glucose on dehydroascorbic acid transport and intracellular ascorbate accumulation in astrocytes and skeletal myocytes.
Topics: Animals; Ascorbic Acid; Astrocytes; Biological Transport; Blotting, Western; Carbon Isotopes; Cell Line; Cytochalasins; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Glucose; Intracellular Space; Muscle Cells; Muscle, Skeletal; Rats; Sodium; Sulfinpyrazone; Time Factors; Uricosuric Agents | 2003 |
Ascorbic acid concentration in Cv. conference pears during fruit development and postharvest storage.
Topics: Ascorbic Acid; Carbon Dioxide; Cold Temperature; Dehydroascorbic Acid; Food Preservation; Fruit; Oxygen; Pyrus; Time Factors | 2003 |
Light-induced byproducts of vitamin C in multivitamin solutions.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Dehydroascorbic Acid; Drug Storage; Light; Mass Spectrometry; Oxidation-Reduction; Peroxides; Pharmaceutical Solutions; Vitamins | 2004 |
Ebselen is a dehydroascorbate reductase mimic, facilitating the recycling of ascorbate via mammalian thioredoxin systems.
Topics: Animals; Antioxidants; Ascorbic Acid; Azoles; Cattle; Dehydroascorbic Acid; Humans; Hydrogen-Ion Concentration; Isoindoles; Kinetics; Organoselenium Compounds; Oxidation-Reduction; Oxidoreductases; Thioredoxin-Disulfide Reductase; Thioredoxins | 2004 |
Human erythrocyte recycling of ascorbic acid: relative contributions from the ascorbate free radical and dehydroascorbic acid.
Topics: Ascorbic Acid; Cell Membrane; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Erythrocytes; Ferricyanides; Free Radicals; Glucose; Glutathione; Humans; Maleates; Models, Biological; NAD; NADP; Oxidants; Oxygen; Stress, Physiological; Time Factors | 2004 |
Changes in vitamin C concentrations in plasma and milk from dairy cows after an intramammary infusion of Escherichia coli.
Topics: Animals; Ascorbic Acid; Cattle; Colony Count, Microbial; Dehydroascorbic Acid; Escherichia coli Infections; Female; Mastitis, Bovine; Milk | 2004 |
Significance of dehydroascorbic acid in plants.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Plants; Vitamins | 1950 |
Ascorbic acid, dehydroascorbic acid, and diketogulonic acid of transplanted melanomas and of other tumors of the mouse.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Humans; Melanoma; Mice; Neoplasms | 1950 |
Utilization of dehydroascorbic acid by human subjects.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Vitamins | 1950 |
[Supposed diabetogenic action of dehydroascorbic acid].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Vitamins | 1950 |
On the determination of dehydroascorbic acid through 2,4-dinitrophenylhydrazine.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Hydrazines; Phenylhydrazines; Vitamins | 1950 |
Course of diabetes and development of cataracts after injecting dehydroascorbic acid and related substances.
Topics: Ascorbic Acid; Cataract; Dehydroascorbic Acid; Diabetes Mellitus; Humans; Vitamins | 1951 |
Observations on the use of Escherichia coli for the reduction and estimation of dehydroascorbic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Escherichia coli; Vitamins | 1951 |
[Correlation between vitamins; behavior of urinary elimination of vitamin C (ascorbic acid + dehydroascorbic acid) following shock doses of vitamin D2 and D3 in pathological subjects; further clinico-experimental contributions].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Ergocalciferols; Humans; Shock; Urine; Vitamin A; Vitamin D; Vitamin K; Vitamins | 1950 |
[Influence of light on l-ascorbic acid oxidation].
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Light; Vitamins | 1951 |
Kinetics of the reactions of dehydroascorbic acid in the presence of hydrogen sulfide.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Hydrogen Sulfide; Kinetics; Vitamins | 1951 |
[Content of 1-ascorbic and dehydroascorbic acids in organs of vitamin C deficient guinea pigs treated with riboflavin].
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Guinea Pigs; Riboflavin; Vitamins | 1951 |
[Content of 1-ascorbic and dehydroascorbic acids in organs of vitamin C deficient guinea pigs and treated with meso-inositol].
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Guinea Pigs; Inositol; Vitamins | 1951 |
Some effects of dehydroascorbic acid on the central nervous system.
Topics: Ascorbic Acid; Central Nervous System; Dehydroascorbic Acid; Vitamins | 1951 |
[Reduction of dehydroascorbic acid by glutathion; increase of final output of the reaction by catechin].
Topics: Ascorbic Acid; Carbohydrate Metabolism; Catechin; Dehydroascorbic Acid; Glutathione | 1951 |
[Reduction of dehydroascorbic acid in vitro by liver tissue of guinea pig; increase of final output of the reaction by vitamin C2 of alimentary origin].
Topics: Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Guinea Pigs; In Vitro Techniques; Liver; Vitamins | 1951 |
Effects of thyroxine, 3,5-diiodothyronine and thyronine on ascorbic acid oxidation.
Topics: Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Diiodothyronines; Thyronines; Thyroxine | 1951 |
The effect of thyroxine on ascorbic acid oxidation.
Topics: Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Thyroxine | 1951 |
Effect of scurvy on glutathione and dehydroascorbic acid in guinea pig tissues.
Topics: Ascorbic Acid; Carbohydrate Metabolism; Dehydroascorbic Acid; Glutathione; Guinea Pigs; Scurvy | 1952 |
The effect of Botrytis cinerea infection on the antioxidant profile of mitochondria from tomato leaves.
Topics: Antioxidants; Ascorbic Acid; Botrytis; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Kinetics; Mitochondria; Organelles; Plant Diseases; Plant Leaves; Solanum lycopersicum; Superoxide Dismutase | 2004 |
Duodenal ascorbate levels are changed in mice with altered iron metabolism.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Duodenum; Hypoxia; Intestinal Absorption; Intestinal Mucosa; Iron; Iron Deficiencies; Male; Mice; Phenylhydrazines; Transferrin | 2004 |
The methanol method for the quantification of ascorbic acid and dehydroascorbic acid in biological samples.
Topics: Animals; Ascorbic Acid; Cell Line; Dehydroascorbic Acid; Kinetics; Methanol; Mice; Oxidation-Reduction; Phosphates; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2004 |
Vitamin C transport in oxidized form across the rat blood-retinal barrier.
Topics: Animals; Ascorbic Acid; Biological Transport; Blood-Retinal Barrier; Capillaries; Cell Line; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Endothelium, Vascular; Male; Monosaccharide Transport Proteins; Organic Anion Transporters, Sodium-Dependent; Permeability; Rats; Rats, Wistar; Retina; Retinal Vessels; Reverse Transcriptase Polymerase Chain Reaction; Sodium-Coupled Vitamin C Transporters; Symporters | 2004 |
Ascorbate-mediated enhancement of reactive oxygen species generation from polymorphonuclear leukocytes: modulatory effect of nitric oxide.
Topics: Animals; Apoptosis; Arachidonic Acid; Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; Escherichia coli; Free Radical Scavengers; Humans; Macaca mulatta; Male; NADPH Oxidases; Neutrophils; Nitric Oxide; Nitric Oxide Synthase; Oxidation-Reduction; Oxygen; Peroxynitrous Acid; Phagocytosis; Rats; Rats, Sprague-Dawley; Reactive Oxygen Species | 2004 |
The ascorbic acid redox state controls guard cell signaling and stomatal movement.
Topics: Ascorbic Acid; Cell Movement; Dehydroascorbic Acid; Molecular Sequence Data; Nicotiana; Oxidation-Reduction; Plant Leaves; Signal Transduction; Triticum; Water | 2004 |
Breath condensate hydrogen peroxide correlates with both airway cytology and epithelial lining fluid ascorbic acid concentration in the horse.
Topics: Airway Obstruction; Animals; Ascorbic Acid; Breath Tests; Bronchoalveolar Lavage Fluid; Bronchoscopy; Cell Count; Dehydroascorbic Acid; Diagnosis, Differential; Disease Models, Animal; Glutathione; Horses; Hydrogen Peroxide; Inflammation; Mucus; Neutrophils; Respiratory Mucosa; Respiratory System; Spectrophotometry | 2004 |
Ascorbic acid in blood serum of patients with pulmonary tuberculosis and pneumonia.
Topics: 2,3-Diketogulonic Acid; Adult; Ascorbic Acid; Case-Control Studies; Dehydroascorbic Acid; Female; Humans; Male; Pneumonia; Tuberculosis, Pulmonary | 2004 |
Ascorbate modulation of H(2)O(2) and camptothecin-induced cell death in Jurkat cells.
Topics: Ascorbic Acid; Camptothecin; Cell Death; Dehydroascorbic Acid; Enzyme Inhibitors; Humans; Hydrogen Peroxide; Jurkat Cells; Time Factors; Topoisomerase I Inhibitors | 2004 |
Capacity of ascorbyl palmitate to produce the ascorbyl radical in vitro: an electron spin resonance investigation.
Topics: Adult; Ascorbic Acid; Blood; Blood Chemical Analysis; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Humans; Male; Molecular Conformation | 2004 |
Facilitated glucose and dehydroascorbate transport in plant mitochondria.
Topics: Ascorbic Acid; Biological Transport, Active; Cells, Cultured; Dehydroascorbic Acid; Glucose; Metabolic Clearance Rate; Mitochondria; Mitochondrial Membrane Transport Proteins; Nicotiana; Temperature | 2004 |
Plasma ascorbate deficiency is associated with impaired reduction of sulfamethoxazole-nitroso in HIV infection.
Topics: Adult; Anti-Infective Agents; Ascorbic Acid; Ascorbic Acid Deficiency; Case-Control Studies; CD4-CD8 Ratio; Cysteine; Dehydroascorbic Acid; Female; Glutathione; HIV Infections; Humans; In Vitro Techniques; Male; Middle Aged; Oxidation-Reduction; Sulfamethoxazole | 2004 |
Vitamin C is a kinase inhibitor: dehydroascorbic acid inhibits IkappaBalpha kinase beta.
Topics: Adenosine Triphosphate; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; DNA; Dose-Response Relationship, Drug; Down-Regulation; Enzyme Inhibitors; HeLa Cells; Humans; I-kappa B Kinase; Immunoblotting; Luciferases; Models, Biological; Oxidative Stress; Oxygen; Protein Binding; Protein Serine-Threonine Kinases; Reactive Oxygen Species; Signal Transduction; Transfection | 2004 |
Ascorbate distribution during hibernation is independent of ascorbate redox state.
Topics: Animals; Antioxidants; Ascorbate Oxidase; Ascorbic Acid; Brain; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Free Radicals; Glutathione; Hibernation; Oxidation-Reduction; Oxygen; Reperfusion Injury; Sciuridae; Temperature; Time Factors; Tissue Distribution; Uric Acid | 2004 |
UV light increases vitamin C uptake by bovine lens epithelial cells.
Topics: Animals; Ascorbic Acid; Carmustine; Cattle; Cells, Cultured; Dehydroascorbic Acid; Enzyme Inhibitors; Epithelial Cells; Glucose; Glutathione; Glutathione Reductase; Glutathione Transferase; Lens, Crystalline; Oxidation-Reduction; Oxidative Stress; Ultraviolet Rays | 2004 |
Cellular vitamin C accumulation in the presence of copper.
Topics: Animals; Ascorbic Acid; Caco-2 Cells; Cell Line; Cell Line, Tumor; Cell-Free System; Copper; Dehydroascorbic Acid; Glucose; HT29 Cells; Humans; Hydrogen Peroxide; Intestinal Mucosa; Iron; Mice; Models, Biological; Muscle, Skeletal; Muscles; Oxidants; Oxygen; Temperature; Time Factors | 2004 |
Dehydroascorbic acid; ascorbic acid in the aqueous humor of rabbits.
Topics: Animals; Aqueous Humor; Ascorbic Acid; Dehydroascorbic Acid; Rabbits | 1950 |
[Levels of serum ascorbate and its metabolites in hemodialysis patients].
Topics: 2,3-Diketogulonic Acid; Administration, Oral; Aged; Aorta; Ascorbic Acid; Ascorbic Acid Deficiency; Calcinosis; Calcium Oxalate; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Oxidative Stress; Renal Dialysis; Thiobarbituric Acid Reactive Substances | 2004 |
Vitamin C inhibits hypoxia-induced damage and apoptotic signaling pathways in cardiomyocytes and ischemic hearts.
Topics: Animals; Apoptosis; Ascorbic Acid; Cell Hypoxia; Dehydroascorbic Acid; Disease Models, Animal; Heart; Hypoxia; Muscle Cells; Myocardial Ischemia; Myocardium; Rats; Rats, Sprague-Dawley; Signal Transduction | 2004 |
Ascorbic acid recycling by cultured beta cells: effects of increased glucose metabolism.
Topics: Animals; Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; Doxycycline; Glucokinase; Glucose; Glutathione; Insulin; Islets of Langerhans; Oxidative Stress; Rats | 2004 |
Localization of ascorbic acid, ascorbic acid oxidase, and glutathione in roots of Cucurbita maxima L.
Topics: Amaryllidaceae Alkaloids; Ascorbate Oxidase; Ascorbic Acid; Cell Membrane; Cell Wall; Cucurbita; Dehydroascorbic Acid; Glutathione; Phenanthridines; Plant Roots; Seedlings; Sugar Acids; Tissue Distribution; Vacuoles | 2004 |
Changes in intracellular and apoplastic peroxidase activity, ascorbate redox status, and root elongation induced by enhanced ascorbate content in Allium cepa L.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Glucosephosphate Dehydrogenase; Onions; Oxidation-Reduction; Peroxidases; Plant Roots; Sugar Acids | 2005 |
Transport and intracellular accumulation of vitamin C in endothelial cells: relevance to collagen synthesis.
Topics: Ascorbic Acid; Biological Transport, Active; Cell Line; Cell Membrane; Collagen Type IV; Dehydroascorbic Acid; Endothelium, Vascular; Humans; Intracellular Fluid; Kinetics | 2005 |
Preparation of dehydro-L-ascorbic acid dimer by air oxidation of L-ascorbic acid in the presence of catalytic amounts of copper(II) acetate and pyridine.
Topics: Ascorbic Acid; Catalysis; Crystallization; Dehydroascorbic Acid; Dimerization; Molecular Structure; Organometallic Compounds; Oxidation-Reduction; Pyridines | 2005 |
Seawater irrigation: antioxidant defence responses in leaves and roots of a sunflower (Helianthus annuus L.) ecotype.
Topics: Adaptation, Physiological; Agriculture; Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Glutathione; Glutathione Disulfide; Helianthus; Peroxidases; Plant Leaves; Plant Roots; Seawater | 2004 |
Protective role of dehydroascorbate in rat liver ischemia-reperfusion injury.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Liver; Male; Oxidative Stress; Rats; Rats, Wistar; Reperfusion Injury; Thiobarbituric Acid Reactive Substances | 2005 |
Vitamin C homeostasis in skeletal muscle cells.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Differentiation; Cell Line; Dehydroascorbic Acid; Glutathione; Homeostasis; Mice; Muscle Fibers, Skeletal; NADP; Organic Anion Transporters, Sodium-Dependent; Oxidative Stress; Rats; Sodium-Coupled Vitamin C Transporters; Symporters; Thioredoxins | 2005 |
Generation and destruction of unstable reagent in flow injection system: determination of acetylcysteine in pharmaceutical formulations using bromine as reagent.
Topics: Acetylcysteine; Ascorbic Acid; Bromine; Calibration; Chemistry, Pharmaceutical; Dehydroascorbic Acid; Flow Injection Analysis; Indicators and Reagents; Oxidation-Reduction; Pharmaceutical Solutions; Spectrophotometry, Ultraviolet | 2005 |
Modulation of cadmium-induced oxidative stress in Ceratophyllum demersum by zinc involves ascorbate-glutathione cycle and glutathione metabolism.
Topics: Ascorbic Acid; Cadmium; Dehydroascorbic Acid; Enzyme Induction; Glutathione; Glutathione Disulfide; Magnoliopsida; Oxidative Stress; Sulfhydryl Compounds; Zinc | 2005 |
Oxidative stress precedes peak systemic inflammatory response in pediatric patients undergoing cardiopulmonary bypass operation.
Topics: Ascorbic Acid; C-Reactive Protein; Cardiac Surgical Procedures; Cardiopulmonary Bypass; Child; Child, Preschool; Dehydroascorbic Acid; Heart Defects, Congenital; Hemolysis; Humans; Infant; Interleukin-6; Interleukin-8; Iron; Ischemia; Malondialdehyde; Neutrophils; Oxidative Stress; Pneumonia; Postoperative Complications; Prospective Studies | 2005 |
White matter injury following prolonged free radical formation in the 0.65 gestation fetal sheep brain.
Topics: Animals; Antioxidants; Ascorbic Acid; Asphyxia; Brain; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Female; Free Radicals; Glucose; Glutathione Peroxidase; Lactic Acid; Lectins; Oxygen; Pregnancy; Pregnancy, Animal; Reactive Oxygen Species; Regression Analysis; Reperfusion Injury; Risk; Sheep; Superoxide Dismutase; Time Factors | 2005 |
Ascorbate uptake in pig coronary artery endothelial cells.
Topics: Animals; Ascorbic Acid; Biological Transport; Cells, Cultured; Coronary Vessels; Dehydroascorbic Acid; Endothelium, Vascular; Molecular Sequence Data; Muscle, Smooth, Vascular; Organic Anion Transporters, Sodium-Dependent; Sodium; Sodium-Coupled Vitamin C Transporters; Sulfinpyrazone; Swine; Symporters; Time Factors | 2005 |
Chondrocyte transport and concentration of ascorbic acid is mediated by SVCT2.
Topics: Amino Acids; Ascorbic Acid; Cartilage; Cell Survival; Chondrocytes; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Glucose; Humans; Kinetics; Organic Anion Transporters, Sodium-Dependent; Reverse Transcriptase Polymerase Chain Reaction; RNA; RNA Interference; Sodium; Sodium-Coupled Vitamin C Transporters; Sulfinpyrazone; Symporters; Temperature; Time Factors | 2005 |
[Determination of oxidation-reduction level in patients with rheumatoid arthritis].
Topics: Adult; Arthritis, Rheumatoid; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Female; Humans; Male; Malondialdehyde; Middle Aged; Oxidation-Reduction; Vitamin E | 2005 |
Diabetic changes in the redox status of the microsomal protein folding machinery.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Flavin-Adenine Dinucleotide; Glutathione Disulfide; Male; Microsomes, Liver; NADH, NADPH Oxidoreductases; Oxidation-Reduction; Protein Disulfide-Isomerases; Protein Folding; Rats; Rats, Wistar | 2005 |
Direct fluorimetric determination of ascorbic acid by the supramolecular system of AA with beta-cyclodextrin derivative.
Topics: Absorption; Ascorbic Acid; beta-Cyclodextrins; Calibration; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Spectrometry, Fluorescence; Temperature; Time Factors | 2005 |
High-throughput analysis of vitamin C in human plasma with the use of HPLC with monolithic column and UV-detection.
Topics: Adult; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Humans; Infant; Middle Aged; Reference Standards; Reproducibility of Results; Spectrophotometry, Ultraviolet | 2005 |
Ascorbate uptake and antioxidant function in peritoneal macrophages.
Topics: alpha-Tocopherol; Animals; Antioxidants; Apoptosis; Ascorbic Acid; Astrocytes; Cell Membrane; Cells, Cultured; Dehydroascorbic Acid; Fluoresceins; Glutathione; Macrophages, Peritoneal; Mice; Necrosis; Oxidative Stress; Reactive Oxygen Species; Thioglycolates; Time Factors | 2005 |
Dehydroascorbate transport in human chondrocytes is regulated by hypoxia and is a physiologically relevant source of ascorbic acid in the joint.
Topics: Arthritis, Rheumatoid; Ascorbic Acid; Biological Transport; Cartilage, Articular; Cell Hypoxia; Cells, Cultured; Chondrocytes; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Gene Expression; Knee Joint; Monosaccharide Transport Proteins; Osteoarthritis, Knee; Reverse Transcriptase Polymerase Chain Reaction; RNA Interference; RNA, Messenger; RNA, Small Interfering; Up-Regulation | 2005 |
Ascorbate is particularly effective against LDL oxidation in the presence of iron(III) and homocysteine/cystine at acidic pH.
Topics: Ascorbic Acid; Catalysis; Cystine; Dehydroascorbic Acid; Ferric Compounds; Histidine; Homocysteine; Humans; Hydrogen-Ion Concentration; Hyperhomocysteinemia; Lipoproteins, LDL; Oxidation-Reduction; Sulfhydryl Compounds | 2005 |
Vitamin C enters mitochondria via facilitative glucose transporter 1 (Glut1) and confers mitochondrial protection against oxidative injury.
Topics: Amino Acid Sequence; Animals; Antioxidants; Ascorbic Acid; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Cell Line; Cell Line, Tumor; Cell Membrane; Dehydroascorbic Acid; DNA Damage; DNA, Mitochondrial; Dose-Response Relationship, Drug; Electron Transport; Genome; Glucose; Glucose Transporter Type 1; Green Fluorescent Proteins; HL-60 Cells; Humans; Immunoblotting; Membrane Potentials; Mice; Microscopy, Fluorescence; Mitochondria; Models, Biological; Molecular Sequence Data; NIH 3T3 Cells; Oxidation-Reduction; Oxidative Stress; Oxygen; Protein Isoforms; Protein Structure, Tertiary; Reactive Oxygen Species; Rotenone; Sequence Homology, Amino Acid; Software | 2005 |
Sepsis inhibits recycling and glutamate-stimulated export of ascorbate by astrocytes.
Topics: 3-O-Methylglucose; Animals; Ascorbic Acid; Astrocytes; Biological Transport; Dehydroascorbic Acid; Glucose Transporter Type 1; Glutamic Acid; Mice; Mice, Inbred Strains; Nitric Oxide Synthase Type I; Nitric Oxide Synthase Type II; Rats; Rats, Wistar; Sepsis | 2005 |
Macrophage uptake and recycling of ascorbic acid: response to activation by lipopolysaccharide.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Reductase; Lipopolysaccharides; Macrophages; Mice; Sulfinpyrazone | 2005 |
Free zinc inhibits transport of vitamin C in differentiated HL-60 cells during respiratory burst.
Topics: Antioxidants; Ascorbic Acid; Biological Transport; Cell Differentiation; Cell Survival; Dehydroascorbic Acid; HL-60 Cells; Humans; Membrane Potentials; NADPH Oxidases; Neutrophils; Oxidation-Reduction; Respiratory Burst; Superoxides; Zinc | 2006 |
Coenzyme Q(1) depletes NAD(P)H and impairs recycling of ascorbate in astrocytes.
Topics: Animals; Animals, Newborn; Ascorbic Acid; Astrocytes; Cells, Cultured; Dehydroascorbic Acid; Dicumarol; Dose-Response Relationship, Drug; Drug Interactions; Enzyme Inhibitors; Extracellular Space; Glucose; NAD; NADP; Rats; Rats, Wistar; Ubiquinone | 2006 |
[Determination of ascorbic and dehydroascorbic acid concentration using HPLC method in smokers with stable coronary artery disease scheduled for coronary artery bypass grafting (CABG)].
Topics: Adult; Aged; Ascorbic Acid; Chromatography, High Pressure Liquid; Coronary Artery Bypass; Coronary Artery Disease; Dehydroascorbic Acid; Female; Humans; Male; Middle Aged; Preoperative Care; Smoking | 2005 |
Degradation kinetics of the antioxidant additive ascorbic acid in packed table olives during storage at different temperatures.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Drug Stability; Food Additives; Food Preservation; Fruit; Furaldehyde; Kinetics; Olea; Oxidation-Reduction; Temperature; Thermodynamics | 2006 |
Enhanced expression of glucose transporter 1 on erythrocyte membrane in hemodialysis patients: the possible role in erythrocyte ascorbate recycling.
Topics: Aged; Ascorbic Acid; Blotting, Western; Chromatography, High Pressure Liquid; Cytochalasin B; Dehydroascorbic Acid; Erythrocyte Membrane; Erythrocytes; Female; Glucose Transporter Type 1; Humans; Kidney Diseases; Male; Middle Aged; Renal Dialysis; Time Factors; Uremia | 2006 |
Ascorbate and H2O2 induced oxidative DNA damage in Jurkat cells.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Ascorbic Acid; Dehydroascorbic Acid; Deoxycytidine; Deoxyguanosine; DNA Damage; Free Radical Scavengers; Humans; Hydrogen Peroxide; Jurkat Cells; Oxidative Stress; tert-Butylhydroperoxide | 2006 |
Antioxidant protection during the menstrual cycle: the effects of estradiol on ascorbic-dehydroascorbic acid plasma levels and total antioxidant plasma status in eumenorrhoic women during the menstrual cycle.
Topics: Adult; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Estradiol; Female; Humans; Menstrual Cycle; Progesterone; Reference Values | 2006 |
A cerebroprotective dose of intravenous citrate/sorbitol-stabilized dehydroascorbic acid is correlated with increased cerebral ascorbic acid and inhibited lipid peroxidation after murine reperfused stroke.
Topics: Animals; Antioxidants; Ascorbic Acid; Brain Ischemia; Cerebral Cortex; Cerebral Infarction; Citric Acid; Dehydroascorbic Acid; Disease Models, Animal; Excipients; Infarction, Middle Cerebral Artery; Injections, Intravenous; Lipid Peroxidation; Mice; Mice, Inbred C57BL; Nerve Degeneration; Neuroprotective Agents; Oxidative Stress; Reperfusion Injury; Sorbitol; Treatment Outcome; Up-Regulation | 2006 |
The effect of intracellular ascorbate on the susceptibility of HL60 and Jurkat cells to chemotherapy agents.
Topics: Antineoplastic Agents; Antioxidants; Apoptosis; Arsenic Trioxide; Arsenicals; Ascorbic Acid; Caspases; Cell Count; Dehydroascorbic Acid; Drug Resistance, Neoplasm; Etoposide; HL-60 Cells; Humans; Jurkat Cells; Melphalan; Oxides | 2006 |
On the mechanism of the ascorbic acid-induced release of nitric oxide from N-nitrosated tryptophan derivatives: scavenging of NO by ascorbyl radicals.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Magnetic Resonance Spectroscopy; Molecular Structure; Nitric Oxide; Nitrites; Nitrogen Oxides; Nitrosation; Nitroso Compounds; Oxidation-Reduction; Tryptophan | 2006 |
Human erythrocyte membranes contain a cytochrome b561 that may be involved in extracellular ascorbate recycling.
Topics: Animals; Ascorbic Acid; Cell Line; Chromaffin Granules; Cytochrome b Group; Dehydroascorbic Acid; Duodenum; Erythrocyte Membrane; Extracellular Space; Guinea Pigs; Humans; Lysosomes; Membrane Proteins; Mice; Oxidation-Reduction; Oxidoreductases; Rats | 2006 |
The contribution of ascorbic acid and dehydroascorbic acid to the protective role of pleura during inflammatory reactions.
Topics: Animals; Ascorbic Acid; Cytoplasm; Dehydroascorbic Acid; Epithelium; Humans; Inflammation; Models, Biological; Oxidative Stress; Oxygen; Phagocytosis; Pleura; Sheep; Vascular Endothelial Growth Factor A | 2007 |
Vitamin C mediates chemical aging of lens crystallins by the Maillard reaction in a humanized mouse model.
Topics: Animals; Ascorbic Acid; Base Sequence; Cataract; Crystallins; Dehydroascorbic Acid; DNA Primers; Humans; Lens, Crystalline; Maillard Reaction; Mice; Mice, Transgenic; Organic Anion Transporters, Sodium-Dependent; Reactive Oxygen Species; Recombinant Proteins; Sodium-Coupled Vitamin C Transporters; Symporters | 2006 |
Reversible reduction of nitroxides to hydroxylamines: roles for ascorbate and glutathione.
Topics: Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radicals; Glutathione; Hydroxylamines; Imidazolidines; Imidazolines; Oxidation-Reduction; Pyrrolidines | 2007 |
Physiological and biochemical responses to acute ozone-induced oxidative stress in Medicago truncatula.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Lipid Peroxidation; Medicago truncatula; Oxidative Stress; Ozone; Phenotype; Photosynthesis; Plant Leaves; Reactive Oxygen Species | 2007 |
A simple and sensitive assay for ascorbate using a plate reader.
Topics: Animals; Ascorbic Acid; Beverages; Cells, Cultured; Cyclic N-Oxides; Dehydroascorbic Acid; Dogs; Food Analysis; Humans; Oxidation-Reduction; Phenylenediamines; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Spin Labels; Swine; Time Factors; U937 Cells | 2007 |
Leaf extracellular ascorbate in relation to O(3) tolerance of two soybean cultivars.
Topics: Agriculture; Air Pollutants; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Ecology; Glycine max; Ozone; Photosynthesis; Plant Leaves; Species Specificity; Vitamins | 2007 |
Measurement of reduced, oxidized and total ascorbate content in plants.
Topics: Antioxidants; Ascorbic Acid; Colorimetry; Dehydroascorbic Acid; Oxidation-Reduction; Plants | 2007 |
Development of a quantitative method for the analysis of total L-ascorbic acid in foods by high-performance liquid chromatography.
Topics: Amidines; Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Fluorometry; Food Analysis; Oxidation-Reduction | 2007 |
Cadmium-induced oxidative stress and response of the ascorbate-glutathione cycle in Bechmeria nivea (L.) Gaud.
Topics: Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Biodegradation, Environmental; Cadmium; Chlorophyll; Dehydroascorbic Acid; Glutathione; Glutathione Disulfide; Glutathione Reductase; Malondialdehyde; Oxidative Stress; Peroxidases; Plant Leaves; Plant Roots; Soil Pollutants; Urticaceae | 2007 |
Reduction of dehydroascorbic acid at low pH.
Topics: Ascorbic Acid; Copper; Dehydroascorbic Acid; Dithiothreitol; Drug Stability; Hydrogen-Ion Concentration; Kinetics; Oxidation-Reduction; Phosphines; Phosphorous Acids; Reducing Agents; Solutions | 2007 |
Formation of furan and methylfuran from ascorbic acid in model systems and food.
Topics: Amino Acids; Ascorbic Acid; Carcinogens, Environmental; Cooking; Dehydroascorbic Acid; Food Analysis; Food Contamination; Fruit; Furans; Gas Chromatography-Mass Spectrometry; Glucose; Hot Temperature; Hydrogen-Ion Concentration; Models, Biological; Solid Phase Microextraction; Tetroses; Vegetables | 2007 |
Stability of Solutions of Pure Ascorbic Acid and of Dehydroascorbic Acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Solutions | 1948 |
Oxidation of Ascorbic Acid to Dehydroascorbic Acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans; Oxidation-Reduction | 1947 |
The application of ascorbate or its immediate precursor, galactono-1,4-lactone, does not affect the response of nitrogen-fixing pea nodules to water stress.
Topics: Antioxidants; Ascorbic Acid; Biomass; Dehydroascorbic Acid; Gases; Glucosyltransferases; Isocitrate Dehydrogenase; Lactones; Nitrogen Fixation; Pisum sativum; Root Nodules, Plant; Stress, Physiological; Sugar Acids; Water | 2008 |
Ascorbate and dehydroascorbic acid as reliable biomarkers of oxidative stress: analytical reproducibility and long-term stability of plasma samples subjected to acidic deproteinization.
Topics: Ascorbic Acid; Biomarkers; Dehydroascorbic Acid; Humans; Hydrogen-Ion Concentration; Oxidative Stress; Phosphoric Acids; Reproducibility of Results | 2007 |
Anti-oxidant effect of ascorbic and dehydroascorbic acids in hippocampal slice culture.
Topics: Animals; Antioxidants; Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Hippocampus; In Vitro Techniques; Neurons; Rats; Rats, Sprague-Dawley; Reactive Oxygen Species | 2008 |
The diabetogenic effect of dehydroascorbic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Diabetes Mellitus; Humans | 1949 |
Dehydroascorbate uptake is impaired in the early response of Arabidopsis plant cell cultures to cadmium.
Topics: Arabidopsis; Ascorbic Acid; Cadmium; Cadmium Chloride; Cell Membrane; Cells, Cultured; Dehydroascorbic Acid; Enzyme Inhibitors; Glutathione; Hydrogen Peroxide; Lanthanum; Onium Compounds; Phytochelatins | 2007 |
Mitochondrial recycling of ascorbic acid as a mechanism for regenerating cellular ascorbate.
Topics: alpha-Tocopherol; Animals; Arsenicals; Ascorbic Acid; Carmustine; Dehydroascorbic Acid; Diamide; Ethylmaleimide; Ferricyanides; Guinea Pigs; In Vitro Techniques; Maleates; Mitochondria, Muscle; Oxidation-Reduction; Sulfhydryl Reagents | 2007 |
Desiccation tolerance in red and green gametophytes of Jamesoniella colorata in relation to photoprotection.
Topics: Adaptation, Physiological; Ascorbic Acid; Cell Physiological Phenomena; Climate; Dehydroascorbic Acid; Desiccation; Gametogenesis; Hepatophyta; Water | 2008 |
Development and validation of a liquid chromatographic method for the determination of ascorbic acid, dehydroascorbic acid and acetaminophen in pharmaceuticals.
Topics: Acetaminophen; Ascorbic Acid; Chromatography, Liquid; Dehydroascorbic Acid; Phenylenediamines | 2008 |
Dehydroascorbic acid uptake and intracellular ascorbic acid accumulation in cultured Müller glial cells (TR-MUL).
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Blood-Retinal Barrier; Blotting, Western; Carrier Proteins; Cell Line; Chromatography, High Pressure Liquid; Data Interpretation, Statistical; Dehydroascorbic Acid; Glucose Transport Proteins, Facilitative; Male; Neuroglia; Rats; Rats, Wistar; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger | 2008 |
Some vertebrates go with the GLO.
Topics: Animals; Ascorbic Acid; Dehydroascorbic Acid; Erythrocytes; Glucose Transport Proteins, Facilitative; Humans; Mammals; Membrane Proteins | 2008 |
Erythrocyte Glut1 triggers dehydroascorbic acid uptake in mammals unable to synthesize vitamin C.
Topics: 5' Untranslated Regions; Animals; Ascorbic Acid; Biological Transport; Cell Line; Dehydroascorbic Acid; Erythrocytes; Erythropoiesis; Glucose Transporter Type 1; Glucose Transporter Type 4; Humans; Mammals; Membrane Proteins; Transfection | 2008 |
Vitamin C-mediated Maillard reaction in the lens probed in a transgenic-mouse model.
Topics: Aging; Animals; Ascorbic Acid; Dehydroascorbic Acid; Glycation End Products, Advanced; Humans; Lens, Crystalline; Maillard Reaction; Mice; Mice, Transgenic; Organic Anion Transporters, Sodium-Dependent; Sodium-Coupled Vitamin C Transporters; Symporters | 2008 |
Molecular identification and functional characterization of the vitamin C transporters expressed by Sertoli cells.
Topics: Animals; Ascorbic Acid; Biological Transport; Biomarkers; Caco-2 Cells; Cell Line; Dehydroascorbic Acid; Gene Expression Regulation; Glucose Transport Proteins, Facilitative; Humans; Male; Mice; Organic Anion Transporters, Sodium-Dependent; Rats; Rats, Wistar; Sertoli Cells; Sodium-Coupled Vitamin C Transporters; Symporters; WT1 Proteins | 2008 |
Redox regulation of mitochondrial sulfide oxidation in the lugworm, Arenicola marina.
Topics: Adenosine Triphosphate; Animals; Ascorbic Acid; Cell Respiration; Dehydroascorbic Acid; Glutathione; Malates; Mitochondria; Models, Biological; Oxidation-Reduction; Oxidoreductases; Oxygen; Oxygen Consumption; Polychaeta; Sulfides | 2008 |
Lead induced changes in the growth and antioxidant metabolism of the lead accumulating and non-accumulating ecotypes of Sedum alfredii.
Topics: Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Edetic Acid; Glutathione; Hydrogen Peroxide; Lead; Lipid Peroxidation; Photosynthesis; Pigments, Biological; Plant Leaves; Plant Roots; Plant Shoots; Sedum | 2008 |
Extracellular dopamine induces the oxidative toxicity of SH-SY5Y cells.
Topics: Apoptosis; Ascorbic Acid; Biological Transport, Active; Cell Death; Cell Line, Tumor; Cytotoxins; Dehydroascorbic Acid; Dopamine; Dopamine Antagonists; Dose-Response Relationship, Drug; Extracellular Space; Glutathione; Humans; Neuroblastoma; Neurons; Oxidative Stress; Signal Transduction; Time Factors | 2008 |
Fatty acid profile of human milk of Portuguese lactating women: prospective study from the 1st to the 16th week of lactation.
Topics: Adult; Ascorbic Acid; Chromatography, Gas; Dehydroascorbic Acid; Fatty Acids; Feeding Behavior; Female; Humans; Lactation; Milk, Human; Postpartum Period; Reference Values; Time Factors; Young Adult | 2008 |
Antiviral effects of ascorbic and dehydroascorbic acids in vitro.
Topics: Animals; Antiviral Agents; Ascorbic Acid; Cell Line; Cell Survival; Cytopathogenic Effect, Viral; Dehydroascorbic Acid; Dogs; Herpesvirus 1, Human; Humans; Orthomyxoviridae; Oxidation-Reduction; Time Factors; Virus Replication | 2008 |
Vitamin C antagonizes the cytotoxic effects of antineoplastic drugs.
Topics: Animals; Antineoplastic Agents; Ascorbic Acid; Cytoprotection; Dehydroascorbic Acid; Dose-Response Relationship, Drug; Drug Resistance, Neoplasm; Humans; K562 Cells; Mice; Mice, Inbred ICR; Mice, SCID; Neoplasms; Tumor Cells, Cultured; Xenograft Model Antitumor Assays | 2008 |
Mechanisms and regulation of vitamin C uptake: studies of the hSVCT systems in human liver epithelial cells.
Topics: Ascorbic Acid; Budesonide; Cell Line, Tumor; Dehydroascorbic Acid; Dexamethasone; Epithelial Cells; Gene Expression Regulation; Hepatocytes; Humans; Liver; Mifepristone; Organic Anion Transporters, Sodium-Dependent; Promoter Regions, Genetic; Protein Kinase C; RNA, Small Interfering; Sodium-Coupled Vitamin C Transporters; Symporters; Tetradecanoylphorbol Acetate; Transfection | 2008 |
Ascorbic acid oxidation and browning in apple tissue extracts.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Food Additives; Humans; Malus; Tissue Extracts | 1948 |
Linking phenolic oxidation in the midgut lumen with oxidative stress in the midgut tissues of a tree-feeding caterpillar Malacosoma disstria (Lepidoptera: Lasiocampidae).
Topics: Acer; Animals; Ascorbic Acid; Dehydroascorbic Acid; Gastrointestinal Tract; Glutathione; Glutathione Disulfide; Larva; Moths; Oxidation-Reduction; Oxidative Stress; Protein Carbonylation; Quercus; Superoxide Dismutase; Tannins | 2008 |
Rapid determination of ascorbic acid, dehydroascorbic acid, and total vitamin C by electrochemiluminescence with a thin-layer electrochemical cell.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electrochemistry; Luminescent Measurements; Sensitivity and Specificity; Time Factors | 2009 |
Hydroxyl radical generation dependent on extracellular ascorbate in rat striatum, as determined by microdialysis.
Topics: Animals; Ascorbic Acid; Behavior, Animal; Corpus Striatum; Dehydroascorbic Acid; Extracellular Space; Gentisates; Hydroxybenzoates; Hydroxyl Radical; Male; Microdialysis; Rats; Rats, Sprague-Dawley | 2009 |
Fast HPLC-ECD analysis of ascorbic acid, dehydroascorbic acid and uric acid.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electrochemical Techniques; Humans; Uric Acid | 2009 |
Iron-mediated cleavage of C-C bonds in vicinal tricarbonyl compounds in water.
Topics: Amino Acids; Ascorbic Acid; Carbon; Carbonates; Catalysis; Dehydroascorbic Acid; Iron; Ninhydrin; Water | 2009 |
Vitamin C enters mouse T cells as dehydroascorbic acid in vitro and does not recapitulate in vivo vitamin C effects.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Proliferation; Cell Survival; Cytokines; Dehydroascorbic Acid; Dithiothreitol; Glucose Transporter Type 1; Glucose Transporter Type 3; Immunomagnetic Separation; Ionomycin; Lymphocyte Activation; Male; Mice; Mice, Inbred BALB C; Oxidation-Reduction; T-Lymphocytes; Tetradecanoylphorbol Acetate; Thymidine | 2009 |
Genetic polymorphisms of xenobiotic enzymes affect human vitamin C excretion.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Female; Glutathione S-Transferase pi; Humans; Polymorphism, Single Nucleotide; Vitamins; Young Adult | 2008 |
Expression of a truncated human tau protein induces aqueous-phase free radicals in a rat model of tauopathy: implications for targeted antioxidative therapy.
Topics: Animals; Antioxidants; Ascorbic Acid; Brain; Cells, Cultured; Cerebral Cortex; Dehydroascorbic Acid; Disease Models, Animal; Electron Spin Resonance Spectroscopy; Free Radicals; Hippocampus; Humans; Mitochondria; Neurons; Oxidative Stress; Rats; Rats, Transgenic; Reactive Oxygen Species; tau Proteins; Tauopathies; Vitamin E | 2009 |
Monitoring of vitamin C species in aqueous solution by flow injection analysis coupled with an on-line separation with reversed-phase column.
Topics: Air; Ascorbic Acid; Beverages; Calibration; Charcoal; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Dithiothreitol; Flow Injection Analysis; Kinetics; Nitrogen; Online Systems; Oxidation-Reduction; Reproducibility of Results; Solutions; Spectrophotometry; Time Factors; Water | 2009 |
Nitrophenolates spray can alter boll abscission rate in cotton through enhanced peroxidase activity and increased ascorbate and phenolics levels.
Topics: Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Catalase; Cell Membrane; Dehydroascorbic Acid; Glutathione Reductase; Gossypium; Hydrogen Peroxide; Lipid Peroxidation; Lipoxygenase; Nitrophenols; Oxidants; Oxidoreductases; Peroxidase; Peroxidases; Plant Leaves; Plant Shoots; Proline; Superoxide Dismutase; Superoxides | 2010 |
Ferritin-dependent radical generation in rat liver homogenates.
Topics: Adenosine Triphosphate; Animals; Antioxidants; Ascorbic Acid; Chelating Agents; Dehydroascorbic Acid; Edetic Acid; Electron Spin Resonance Spectroscopy; Ferritins; Hydroxyl Radical; Iron; Kinetics; Liver; Male; Microsomes, Liver; Oxidation-Reduction; Protein Conformation; Rats; Rats, Wistar; Sulfhydryl Compounds; Tryptophan; Tyrosine | 2009 |
The co-application effects of fullerene and ascorbic acid on UV-B irradiated mouse skin.
Topics: Animals; Antioxidants; Apoptosis; Ascorbic Acid; Dehydroascorbic Acid; Drug Therapy, Combination; Fullerenes; Hydrogen Peroxide; Iron; Male; Mice; Photosensitivity Disorders; Reactive Oxygen Species; Skin; Ultraviolet Rays | 2010 |
Assessing the reductive capacity of cells by measuring the recycling of ascorbic and lipoic acids.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Ferricyanides; Molecular Structure; Oxidation-Reduction; Thioctic Acid | 2010 |
Use of a redox-sensing GFP (c-roGFP1) for real-time monitoring of cytosol redox status in Arabidopsis thaliana water-stressed plants.
Topics: Arabidopsis; Ascorbic Acid; Cytosol; Dehydration; Dehydroascorbic Acid; Gene Expression Regulation, Plant; Green Fluorescent Proteins; Oxidation-Reduction; Reactive Oxygen Species | 2010 |
Ascorbic acid depletion enhances expression of the sodium-dependent vitamin C transporters, SVCT1 and SVCT2, and uptake of ascorbic acid in livers of SMP30/GNL knockout mice.
Topics: Animals; Ascorbic Acid; Biological Transport; Body Weight; Calcium-Binding Proteins; Carboxylic Ester Hydrolases; Dehydroascorbic Acid; Female; Gene Expression Regulation; Glucose Transport Proteins, Facilitative; Hepatocytes; Intracellular Signaling Peptides and Proteins; Liver; Male; Mice; Mice, Knockout; Organic Anion Transporters, Sodium-Dependent; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Sodium-Coupled Vitamin C Transporters; Symporters | 2010 |
Determination of dehydroascorbic acid in mouse tissues and plasma by using tris(2-carboxyethyl)phosphine hydrochloride as reductant in metaphosphoric acid/ethylenediaminetetraacetic acid solution.
Topics: Animals; Antioxidants; Ascorbic Acid; Clinical Laboratory Techniques; Dehydroascorbic Acid; Edetic Acid; Male; Mice; Mice, Inbred C57BL; Organ Specificity; Oxidative Stress; Phosphines; Phosphorous Acids; Reducing Agents | 2010 |
On the phenomena which accompany the oxidation of formalin in the presence of vitamin C.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Formaldehyde; Humans; Lipids; Oxidation-Reduction; Vitamins | 1947 |
Spectrophotometric studies of the Roe method for the determination of dehydroascorbic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Spectrophotometry | 1947 |
A role for Na+/H+ exchangers and intracellular pH in regulating vitamin C-driven electron transport across the plasma membrane.
Topics: Amiloride; Animals; Animals, Newborn; Ascorbic Acid; Astrocytes; Cell Line, Tumor; Cell Membrane; Cells, Cultured; Dehydroascorbic Acid; Electron Transport; Ferricyanides; Fluorometry; Humans; Hydrogen-Ion Concentration; Mice; Mice, Inbred C57BL; Oxidation-Reduction; Rats; Rats, Wistar; Sodium-Hydrogen Exchangers | 2010 |
Vitamin C inhibits NO-induced stabilization of HIF-1alpha in HUVECs.
Topics: Antioxidants; Ascorbic Acid; Cell Hypoxia; Cells, Cultured; Dehydroascorbic Acid; Endothelial Cells; Humans; Hypoxia-Inducible Factor 1, alpha Subunit; Infant, Newborn; Nitric Oxide; Oxidative Stress; Oxygen; Proteasome Endopeptidase Complex; Protein Stability; Triazenes; Umbilical Veins | 2010 |
Determination of furan precursors and some thermal damage markers in baby foods: ascorbic acid, dehydroascorbic acid, hydroxymethylfurfural and furfural.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food Handling; Fruit; Furaldehyde; Furans; Hot Temperature; Infant Food; Vegetables | 2010 |
Thermal stability of L-ascorbic acid and ascorbic acid oxidase in broccoli (Brassica oleracea var. italica).
Topics: Ascorbate Oxidase; Ascorbic Acid; Brassica; Dehydroascorbic Acid; Enzyme Stability; Flowers; Food Handling; Hot Temperature; Kinetics; Plant Stems | 2010 |
Shading the whole vines during young fruit development decreases ascorbate accumulation in kiwi.
Topics: Actinidia; Ascorbic Acid; Carbohydrates; Dehydroascorbic Acid; Fruit; Gene Expression Regulation, Plant; Light; Plant Leaves; RNA, Messenger; RNA, Plant | 2010 |
Ascorbate exerts anti-proliferative effects through cell cycle inhibition and sensitizes tumor cells towards cytostatic drugs.
Topics: Antineoplastic Agents; Apoptosis; Ascorbic Acid; Camptothecin; Cell Cycle; Cell Line, Tumor; Cell Proliferation; Cell Survival; Dehydroascorbic Acid; Docetaxel; Drug Synergism; Epirubicin; Humans; Irinotecan; Male; Organoplatinum Compounds; Oxaliplatin; Prostatic Neoplasms; Taxoids; Vinblastine; Vinorelbine | 2011 |
Urease activity and L-ascorbic acid.
Topics: Animals; Ascorbic Acid; Cattle; Dehydroascorbic Acid; Enzyme Activation; Fabaceae; Hydrogen Peroxide; Hydrogen-Ion Concentration; Iron; Urease | 2011 |
Ascorbic acid contents in transgenic potato plants overexpressing two dehydroascorbate reductase genes.
Topics: Amino Acid Sequence; Ascorbic Acid; Base Sequence; Cloning, Molecular; Dehydroascorbic Acid; DNA, Complementary; Gene Expression Profiling; Gene Expression Regulation, Plant; Genes, Plant; Molecular Sequence Data; Organ Specificity; Oxidation-Reduction; Oxidoreductases; Phylogeny; Plants, Genetically Modified; Solanum tuberosum; Transformation, Genetic | 2011 |
Measurement of ascorbic acid and dehydroascorbic acid in biological samples.
Topics: Animals; Ascorbic Acid; Biomarkers; Body Fluids; Cell Separation; Chromatography, High Pressure Liquid; Colorimetry; Dehydroascorbic Acid; Electrochemical Techniques; Humans; Specimen Handling; Uric Acid | 2002 |
Human milk studies; ascorbic acid and dehydroascorbic acid in colostrum and mature human milk.
Topics: Ascorbic Acid; Body Fluids; Breast; Colostrum; Dehydroascorbic Acid; Female; Humans; Milk, Human; Pregnancy | 1945 |
The excretion of ascorbic acid and dehydroascorbic acid in sweat and urine under different environmental conditions.
Topics: Ascorbic Acid; Biological Transport; Body Fluids; Dehydroascorbic Acid; Fluids and Secretions; Humans; Sweat | 1945 |
Attempts to compare the mercury acetate method and the turmix ascorbic acid oxidase method for vitamin C determination in fresh fruit and vegetables and canned food.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Humans | 1945 |
Ascorbic acid and dehydroascorbic acid in raw carrots as prepared for table use.
Topics: Ascorbic Acid; Daucus carota; Dehydroascorbic Acid; Humans | 1946 |
Thermal stability of ascorbic acid and ascorbic acid oxidase in african cowpea leaves ( Vigna unguiculata ) of different maturities.
Topics: Ascorbate Oxidase; Ascorbic Acid; Dehydroascorbic Acid; Drug Stability; Enzyme Stability; Fabaceae; Hot Temperature; Kinetics; Plant Leaves | 2011 |
More on vitamin C deficiency in mice and humans.
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Calcium-Binding Proteins; Dehydroascorbic Acid; Disease Models, Animal; Glucose Transporter Type 1; Humans; Intracellular Signaling Peptides and Proteins; Liver Cirrhosis; Mice; Mice, Knockout; PPAR gamma | 2011 |
Reexamination of the ORAC assay: effect of metal ions.
Topics: Antioxidants; Ascorbic Acid; Beverages; Chelating Agents; Dehydroascorbic Acid; Edetic Acid; Quercetin; Reactive Oxygen Species | 2011 |
Enhanced activity of galactono-1,4-lactone dehydrogenase and ascorbate-glutathione cycle in mitochondria from complex III deficient Arabidopsis.
Topics: Antioxidants; Arabidopsis; Arabidopsis Proteins; Ascorbate Peroxidases; Ascorbic Acid; Cell Respiration; Dehydroascorbic Acid; Electron Transport Complex III; Glutathione; Glutathione Reductase; Mitochondria; Mutation; NADH, NADPH Oxidoreductases; Oxidoreductases Acting on CH-CH Group Donors | 2011 |
The effect of ascorbic acid and dehydroascorbic acid on the root gravitropic response in Arabidopsis thaliana.
Topics: Aldehyde Oxidase; Arabidopsis; Arabidopsis Proteins; Ascorbic Acid; Brassinosteroids; Dehydroascorbic Acid; Gene Expression Regulation, Plant; Gravitropism; Indoleacetic Acids; Mutation; Nucleotidyltransferases; Plant Roots; Steroids, Heterocyclic | 2011 |
Photostability and interaction of ascorbic acid in cream formulations.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Dehydroascorbic Acid; Drug Stability; Emulsions; Excipients; Oxidation-Reduction; Photolysis; Spectrophotometry, Ultraviolet; Ultraviolet Rays; Viscosity; Vitamins | 2011 |
The redox state of Ipomoea nil 'Scarlet O'Hara' growing under ozone in a subtropical area.
Topics: Air Pollutants; Ascorbic Acid; Brazil; Dehydroascorbic Acid; Glutathione; Glutathione Reductase; Ipomoea nil; Oxidation-Reduction; Oxidative Stress; Ozone; Plant Leaves; Superoxide Dismutase; Temperature | 2011 |
Influence of fruit ripening stage and harvest period on the antioxidant content of sweet pepper cultivars.
Topics: Antioxidants; Ascorbic Acid; Capsicum; Dehydroascorbic Acid; Fruit; Lipid Peroxidation; Oxidation-Reduction; Phenols; Plant Proteins; Time Factors | 2011 |
Studies with low micromolar levels of ascorbic and dehydroascorbic acid fail to unravel a preferential route for vitamin C uptake and accumulation in U937 cells.
Topics: Ascorbic Acid; Biological Transport; Cell Line; Cell Survival; Clone Cells; Dehydroascorbic Acid; Glucose Transport Proteins, Facilitative; Glutathione; Humans; Kinetics; Macrophages; Monocytes; NAD; NADP; Osmolar Concentration; Oxidation-Reduction; Sodium-Coupled Vitamin C Transporters | 2012 |
Alternative pathways of dehydroascorbic acid degradation in vitro and in plant cell cultures: novel insights into vitamin C catabolism.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Cells, Cultured; Dehydroascorbic Acid; Electrophoresis, Paper; Hydrogen Peroxide; Hydrolysis; Kinetics; Models, Chemical; Oxalates; Oxidation-Reduction; Rosa | 2011 |
Hyperpolarized 13C dehydroascorbate as an endogenous redox sensor for in vivo metabolic imaging.
Topics: Animals; Anisotropy; Ascorbic Acid; Brain; Carbon Isotopes; Dehydroascorbic Acid; Glutathione; Kidney; Kinetics; Liver; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Mice; Neoplasms; Oxidation-Reduction; Reactive Oxygen Species; Tissue Distribution | 2011 |
Lead tolerance and physiological adaptation mechanism in roots of accumulating and non-accumulating ecotypes of Sedum alfredii.
Topics: Adaptation, Physiological; Ascorbic Acid; Catalase; Cell Membrane; Dehydroascorbic Acid; Ecotype; Hydrogen Peroxide; Hydroponics; Lead; Lipid Peroxidation; Lipoxygenases; Peroxidase; Plant Roots; Reactive Oxygen Species; Sedum; Soil Pollutants; Superoxide Dismutase | 2012 |
Copper-induced synthesis of ascorbate, glutathione and phytochelatins in the marine alga Ulva compressa (Chlorophyta).
Topics: Amaryllidaceae Alkaloids; Ascorbic Acid; Buthionine Sulfoximine; Copper; Dehydroascorbic Acid; Enzyme Activation; Galactose Dehydrogenases; Glutathione; Oxidoreductases Acting on CH-CH Group Donors; Phenanthridines; Phytochelatins; Time Factors; Ulva | 2012 |
An improved and fast UHPLC-PDA methodology for determination of L-ascorbic and dehydroascorbic acids in fruits and vegetables. Evaluation of degradation rate during storage.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food Storage; Fruit; Limit of Detection; Vegetables | 2012 |
Effect of sodium ascorbate dose on the shelf life stability of reduced nitrite liver pâtés.
Topics: Animals; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Fast Foods; Food Handling; Food Preservatives; Hot Temperature; Kinetics; Lipid Peroxidation; Liver; Oxidation-Reduction; Pigmentation; Protein Carbonylation; Sodium Nitrite; Sus scrofa | 2012 |
Ascorbate and dehydroascorbic acid as biomarkers of oxidative stress: validity of clinical data depends on vacutainer system used.
Topics: Ascorbic Acid; Biomarkers; Blood Specimen Collection; Dehydroascorbic Acid; Heparin; Humans; Oxidative Stress | 2012 |
Antioxidant capacity of lenses with age-related cataract.
Topics: Aged; Aged, 80 and over; Aging; Antioxidants; Ascorbic Acid; Cataract; Dehydroascorbic Acid; Female; Glutathione; Humans; Lens, Crystalline; Male; Middle Aged; Oxidants; Oxidation-Reduction; Oxidative Stress | 2012 |
2,2'-dipyridyl diselenide is a better antioxidant than other disubstituted diaryl diselenides.
Topics: 2,2'-Dipyridyl; Animals; Antioxidants; Ascorbic Acid; Benzene Derivatives; Dehydroascorbic Acid; Ferrous Compounds; Glutathione; Glutathione Transferase; Lipid Peroxidation; Liver; Male; Organoselenium Compounds; Organosilicon Compounds; Oxidation-Reduction; Oxidoreductases; Porphobilinogen Synthase; Protein Carbonylation; Rats; Rats, Wistar; Thiobarbituric Acid Reactive Substances; Tissue Extracts | 2012 |
Simultaneous determination of reactive oxygen and nitrogen species in mitochondrial compartments of apoptotic HepG2 cells and PC12 cells based on microchip electrophoresis-laser-induced fluorescence.
Topics: Animals; Apoptosis; Ascorbate Oxidase; Ascorbic Acid; Benzothiazoles; Cyclohexanes; Dehydroascorbic Acid; Electrophoresis, Microchip; Fluoresceins; Fluorescence; Fluorescent Dyes; Hep G2 Cells; Humans; Lasers; Mitochondria; Nitric Oxide; PC12 Cells; Rats; Superoxides | 2012 |
Superoxide dictates the mode of U937 cell ascorbic acid uptake and prevents the enhancing effects of the vitamin to otherwise nontoxic levels of reactive oxygen/nitrogen species.
Topics: Ascorbate Oxidase; Ascorbic Acid; bcl-2-Associated X Protein; Cell Line; Dehydroascorbic Acid; Humans; Hydrogen Peroxide; Membrane Potential, Mitochondrial; Peroxynitrous Acid; Reactive Oxygen Species; Superoxides; tert-Butylhydroperoxide; Xanthine Oxidase | 2013 |
New evaluation of fetal oxidative stress: measurement of the umbilical cord blood dimethyl sulfate-induced ascorbyl free radical by an electron spin resonance method.
Topics: Adult; Ascorbic Acid; Blood Chemical Analysis; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Female; Fetal Blood; Fetal Diseases; Fetus; Gestational Age; Humans; Infant, Newborn; Oxidation-Reduction; Oxidative Stress; Pregnancy; Prenatal Diagnosis; Sulfuric Acid Esters | 2012 |
Cytotoxicity of ascorbic acid in a human colorectal adenocarcinoma cell line (WiDr): in vitro and in vivo studies.
Topics: Adenocarcinoma; Animals; Antineoplastic Agents; Antioxidants; Ascorbic Acid; Cell Line, Tumor; Cell Proliferation; Cell Survival; Colorectal Neoplasms; Dehydroascorbic Acid; Flow Cytometry; Glutathione; Humans; Mice; Mice, Inbred BALB C; Mitochondrial Membranes; Spectrophotometry; Tumor Stem Cell Assay | 2012 |
Ascorbic acid efficiently enhances neuronal synthesis of norepinephrine from dopamine.
Topics: Analysis of Variance; Antioxidants; Ascorbic Acid; Cell Line, Tumor; Dehydroascorbic Acid; Dopamine; Dopamine beta-Hydroxylase; Dose-Response Relationship, Drug; Extracellular Fluid; Glutathione; Humans; Neuroblastoma; Neurons; Norepinephrine; Superoxides | 2013 |
Effects of vitamin C on cytotherapy-mediated muscle regeneration.
Topics: Adaptor Proteins, Signal Transducing; Adipose Tissue; Animals; Antioxidants; Ascorbic Acid; Calcium-Binding Proteins; Cell Differentiation; Collagen Type I; Dehydroascorbic Acid; Female; Fibrosis; Forkhead Box Protein O3; Forkhead Transcription Factors; Intracellular Signaling Peptides and Proteins; Male; Mice; Mice, Inbred C57BL; Mice, Knockout; Muscle, Skeletal; MyoD Protein; PAX7 Transcription Factor; Regeneration; Regulatory-Associated Protein of mTOR; Stem Cell Niche; Stem Cell Transplantation; Stem Cells; TOR Serine-Threonine Kinases; Transforming Growth Factor beta1; Wound Healing | 2013 |
Construction of an optical sensor for the determination of ascorbic acid using ionic liquids as modifier.
Topics: Ascorbic Acid; Copper; Dehydroascorbic Acid; Ionic Liquids; Optical Devices; Oxidation-Reduction; Spectrophotometry, Ultraviolet | 2012 |
Intestinal dehydroascorbic acid (DHA) transport mediated by the facilitative sugar transporters, GLUT2 and GLUT8.
Topics: Amino Acid Motifs; Animals; Ascorbic Acid; Biological Transport; Cloning, Molecular; Dehydroascorbic Acid; Diet; Fructose; Glucose; Glucose Transport Proteins, Facilitative; Glucose Transporter Type 2; Humans; Intestinal Mucosa; Kinetics; Male; Mice; Mice, Knockout; Oocytes; Oxygen; Phloretin; Quercetin; Rats; Rats, Sprague-Dawley | 2013 |
Oxidative stress mediates apoptotic effects of ascorbate and dehydroascorbate in human Myelodysplasia cells in vitro.
Topics: Apoptosis; Ascorbic Acid; bcl-2-Associated X Protein; Catalase; Cell Line; Cell Proliferation; Cell Survival; Cytochromes c; Dehydroascorbic Acid; Humans; Membrane Potential, Mitochondrial; Myelodysplastic Syndromes; Reactive Oxygen Species; Superoxide Dismutase | 2013 |
Electron transfer reactions of candidate tumor suppressor 101F6 protein, a cytochrome b561 homologue, with ascorbate and monodehydroascorbate radical.
Topics: Amino Acid Sequence; Ascorbic Acid; Cytochrome b Group; Dehydroascorbic Acid; Electron Transport; Humans; Molecular Sequence Data; Sequence Homology, Amino Acid; Tumor Suppressor Proteins | 2013 |
Human choroid plexus papilloma cells efficiently transport glucose and vitamin C.
Topics: Ascorbic Acid; Biological Transport, Active; Bystander Effect; Cell Membrane; Choroid Plexus Neoplasms; Dehydroascorbic Acid; Glucose; Glucose Transporter Type 1; Humans; Immunohistochemistry; Neutrophils; Papilloma, Choroid Plexus; Primary Cell Culture; Real-Time Polymerase Chain Reaction; Sodium-Coupled Vitamin C Transporters; Tetradecanoylphorbol Acetate | 2013 |
Superoxide-dependent uptake of vitamin C in human glioma cells.
Topics: Antioxidants; Ascorbic Acid; Brain Neoplasms; Bystander Effect; Cell Line, Tumor; Coculture Techniques; Dehydroascorbic Acid; Deoxyglucose; Glioma; Glucose Transporter Type 1; Humans; Microglia; Protein Isoforms; Reactive Oxygen Species; Sodium-Coupled Vitamin C Transporters; Superoxides | 2013 |
Guinea pig ascorbate status predicts tetrahydrobiopterin plasma concentration and oxidation ratio in vivo.
Topics: Animals; Antioxidants; Ascorbic Acid; Ascorbic Acid Deficiency; Biopterins; Dehydroascorbic Acid; Endothelium, Vascular; Guinea Pigs; Oxidation-Reduction; Oxidative Stress | 2013 |
Altered apoplastic ascorbate redox state in tobacco plants via ascorbate oxidase overexpression results in delayed dark-induced senescence in detached leaves.
Topics: Adaptation, Physiological; Antioxidants; Ascorbate Oxidase; Ascorbic Acid; Cellular Senescence; Chlorophyll; Darkness; Dehydroascorbic Acid; Gene Expression Regulation, Plant; Genes, Plant; Hydrogen Peroxide; Nicotiana; Oxidation-Reduction; Oxidative Stress; Plant Leaves; Plant Proteins; Plants, Genetically Modified | 2013 |
Nitric oxide in plants: the roles of ascorbate and hemoglobin.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Free Radical Scavengers; Hemoglobins; NADH, NADPH Oxidoreductases; Nitric Oxide; Nitrites; Oryza; Solutions; Symbiosis | 2013 |
The oxidized form of vitamin C, dehydroascorbic acid, regulates neuronal energy metabolism.
Topics: Animals; Ascorbic Acid; Biological Transport; Cells, Cultured; Dehydroascorbic Acid; Energy Metabolism; Glucose; Glucose Transporter Type 1; Glucose Transporter Type 3; Glucosephosphate Dehydrogenase; Glutathione; Glycolysis; Lactates; Models, Neurological; Neurons; Oxidation-Reduction; Pentose Phosphate Pathway; Primary Cell Culture; Rats; Rats, Sprague-Dawley; Sodium-Coupled Vitamin C Transporters | 2014 |
Plant adaptation to extreme environments: the example of Cistus salviifolius of an active geothermal alteration field.
Topics: Adaptation, Physiological; Ascorbic Acid; Carotenoids; Chlorophyll; Cistus; Dehydroascorbic Acid; Ecosystem; Environment; Enzymes; Geothermal Energy; Hydrogen Peroxide; Lipid Peroxidation; Microscopy, Electron, Scanning; Phenols; Plant Leaves; Water | 2014 |
Massive and long-lasting decrease in vitamin C plasma levels as a consequence of extracorporeal circulation.
Topics: Adult; Aged; Antioxidants; Ascorbic Acid; Cardiopulmonary Bypass; Cardiovascular Diseases; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Electron Spin Resonance Spectroscopy; Female; Humans; Male; Malondialdehyde; Middle Aged; Oxidative Stress; Reactive Oxygen Species; Time Factors; Vitamin E | 2014 |
A novel biological role of dehydroascorbic acid: Inhibition of Na(+)-dependent transport of ascorbic acid.
Topics: Animals; Ascorbic Acid; Biological Transport, Active; Carrier Proteins; Dehydroascorbic Acid; Humans; Macrophages; Mice; Monocytes; Sodium | 2014 |
L-ascorbic acid- and L-ascorbic acid 2-glucoside accelerate in vivo liver regeneration and lower serum alanine aminotransaminase activity in 70% partially hepatectomized rats.
Topics: Alanine Transaminase; Animals; Ascorbic Acid; Dehydroascorbic Acid; Hepatectomy; Liver Regeneration; Rats | 2014 |
Exogenous abscisic acid alleviates zinc uptake and accumulation in Populus × canescens exposed to excess zinc.
Topics: Abscisic Acid; Ascorbic Acid; Biodegradation, Environmental; Dehydroascorbic Acid; Gene Expression Regulation, Plant; Gibberellins; Glutathione; Indoleacetic Acids; Oxidative Stress; Photosynthesis; Plant Growth Regulators; Plant Proteins; Plant Roots; Populus; Seedlings; Trees; Zinc | 2015 |
Deficit irrigation strategies combined with controlled atmosphere preserve quality in early peaches.
Topics: Agricultural Irrigation; Ascorbic Acid; Biomarkers; Chemical Phenomena; Conservation of Natural Resources; Crops, Agricultural; Dehydroascorbic Acid; Food Preferences; Food Quality; Food Storage; Fruit; Humans; Mechanical Phenomena; Mediterranean Region; Phenols; Pigments, Biological; Plant Epidermis; Plant Stems; Plant Transpiration; Prunus persica; Refrigeration; Spain | 2015 |
Precision of dehydroascorbic acid quantitation with the use of the subtraction method--validation of HPLC-DAD method for determination of total vitamin C in food.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food Analysis; Limit of Detection | 2015 |
Frontier orbitals and transition states in the oxidation and degradation of L-ascorbic acid: a DFT study.
Topics: Ascorbic Acid; Butyrates; Carbon Dioxide; Dehydroascorbic Acid; Free Radicals; Hydrogen Bonding; Models, Molecular; Molecular Conformation; Oxalic Acid; Oxidation-Reduction; Quantum Theory; Sugar Acids | 2015 |
Influence of vitamin C supplementation on oxidative stress and neutrophil inflammatory response in acute and regular exercise.
Topics: Adult; Antioxidants; Ascorbic Acid; Dehydroascorbic Acid; Dietary Supplements; Exercise; Humans; Lipid Peroxidation; Male; Malondialdehyde; Neutrophils; Oxidative Stress; Young Adult | 2015 |
Intracellular dehydroascorbic acid inhibits SVCT2-dependent transport of ascorbic acid in mitochondria.
Topics: Ascorbic Acid; Biological Transport; Cell Line, Tumor; Dehydroascorbic Acid; Humans; Mitochondria; Sodium; Sodium-Coupled Vitamin C Transporters; U937 Cells | 2015 |
Effect of Glucose on GLUT1-Dependent Intracellular Ascorbate Accumulation and Viability of Thyroid Cancer Cells.
Topics: Ascorbic Acid; Biological Transport; Cell Line, Tumor; Cell Survival; Dehydroascorbic Acid; Down-Regulation; Gene Expression; Glucose; Glucose Transporter Type 1; Humans; Hypoxia-Inducible Factor 1, alpha Subunit; Thyroid Neoplasms | 2015 |
Reduction of MDHAR activity in cherry tomato suppresses growth and yield and MDHAR activity is correlated with sugar levels under high light.
Topics: Ascorbic Acid; Carbohydrate Metabolism; Chlorophyll; Dehydroascorbic Acid; Light; NADH, NADPH Oxidoreductases; Photosynthesis; Plant Transpiration; Solanum lycopersicum | 2016 |
Gibberellin-like effects of KAR1 on dormancy release of Avena fatua caryopses include participation of non-enzymatic antioxidants and cell cycle activation in embryos.
Topics: Abscisic Acid; Animals; Antioxidants; Ascorbic Acid; Avena; Cell Cycle; Dehydroascorbic Acid; DNA Replication; Embryo, Nonmammalian; Germination; Gibberellins; Plant Dormancy; Plant Growth Regulators; Plant Proteins; Seeds; Tubulin | 2016 |
Vitamin C selectively kills KRAS and BRAF mutant colorectal cancer cells by targeting GAPDH.
Topics: Adenomatous Polyposis Coli Protein; Animals; Ascorbic Acid; Cell Line, Tumor; Colorectal Neoplasms; Dehydroascorbic Acid; Female; Glucose Transporter Type 1; Glyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating); Glycolysis; Humans; Mice; Mice, Mutant Strains; Mice, Nude; Proto-Oncogene Proteins; Proto-Oncogene Proteins B-raf; Proto-Oncogene Proteins p21(ras); ras Proteins; Reactive Oxygen Species; Xenograft Model Antitumor Assays | 2015 |
Oxygen dependency of one-electron reactions generating ascorbate radicals and hydrogen peroxide from ascorbic acid.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Electrons; Free Radicals; Hydrogen Peroxide; Oxidation-Reduction; Oxygen | 2016 |
L-dehydroascorbic acid can substitute l-ascorbic acid as dietary vitamin C source in guinea pigs.
Topics: Animals; Ascorbic Acid; Ascorbic Acid Deficiency; Dehydroascorbic Acid; Dietary Supplements; Dose-Response Relationship, Drug; Erythrocytes; Guinea Pigs; Humans; Intestines; Liver; Mice; Rats; Tissue Distribution; Vitamins | 2016 |
Exogenous Spermidine Alleviates Low Temperature Injury in Mung Bean (Vigna radiata L.) Seedlings by Modulating Ascorbate-Glutathione and Glyoxalase Pathway.
Topics: Ascorbate Peroxidases; Ascorbic Acid; Biomass; Catalase; Chlorophyll; Cold Temperature; Dehydroascorbic Acid; Fabaceae; Glutathione; Glutathione Peroxidase; Hydrogen Peroxide; Lactoylglutathione Lyase; Lipid Peroxidation; Malondialdehyde; Oxidative Stress; Plant Leaves; Proline; Putrescine; Pyruvaldehyde; Seedlings; Spermidine; Superoxides; Water | 2015 |
Enzymatic recycling of ascorbic acid from dehydroascorbic acid by glutathione-like peptides in the extracellular loops of aminergic G-protein coupled receptors.
Topics: Ascorbic Acid; Binding Sites; Cysteine; Dehydroascorbic Acid; Glutathione; Kinetics; Methionine; Models, Molecular; Oxidation-Reduction; Peptides; Protein Structure, Secondary; Receptors, G-Protein-Coupled | 2016 |
A comparison of plasma glucose and oxidative status in lactating dairy cows in summer and autumn.
Topics: Animals; Ascorbic Acid; Blood Glucose; Cattle; Dairying; Dehydroascorbic Acid; Female; Lactation; Malondialdehyde; Milk; Milk Proteins; Oxidative Stress; Seasons | 2016 |
Low Red Blood Cell Vitamin C Concentrations Induce Red Blood Cell Fragility: A Link to Diabetes Via Glucose, Glucose Transporters, and Dehydroascorbic Acid.
Topics: Animals; Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Diabetes Mellitus, Experimental; Diabetes Mellitus, Type 2; Erythrocytes; Gene Expression; Glucose; Glucose Transport Proteins, Facilitative; Male; Mice; Mice, Knockout; Osmotic Fragility | 2015 |
Dehydroascorbic acid for the treatment of acute ischemic stroke.
Topics: Animals; Ascorbic Acid; Brain; Dehydroascorbic Acid; Evidence-Based Medicine; Humans; Models, Neurological; Stroke; Treatment Outcome; Vitamins | 2016 |
Effect of mitochondrial ascorbic acid synthesis on photosynthesis.
Topics: Arabidopsis; Ascorbic Acid; Cell Respiration; Dehydroascorbic Acid; Glutathione; Lactones; Mitochondria; Photosynthesis; Plant Stomata; Pyridines; Ribulose-Bisphosphate Carboxylase; Sugar Acids | 2016 |
Glucose transporter type 10-lacking in arterial tortuosity syndrome-facilitates dehydroascorbic acid transport.
Topics: Arteries; Ascorbic Acid; Biological Transport; Cells, Cultured; Dehydroascorbic Acid; Fibroblasts; Gene Expression Regulation; Glucose Transport Proteins, Facilitative; Humans; Intracellular Membranes; Joint Instability; RNA Interference; RNA, Small Interfering; Skin Diseases, Genetic; Vascular Malformations | 2016 |
Spectrophotometric method for fast quantification of ascorbic acid and dehydroascorbic acid in simple matrix for kinetics measurements.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Kinetics; Reproducibility of Results; Spectrophotometry, Ultraviolet; Time Factors | 2016 |
Ascorbate pool, sugars and organic acids in black currant (Ribes nigrum L.) berries are strongly influenced by genotype and post-flowering temperature.
Topics: Acids; Agriculture; Ascorbic Acid; Dehydroascorbic Acid; Flowers; Fructose; Fruit; Genotype; Glucose; Hexoses; Humans; Nutritive Value; Photoperiod; Ribes; Species Specificity; Sucrose; Temperature | 2017 |
Glutathione Depletion, Pentose Phosphate Pathway Activation, and Hemolysis in Erythrocytes Protecting Cancer Cells from Vitamin C-induced Oxidative Stress.
Topics: Ascorbic Acid; Cell Line, Tumor; Dehydroascorbic Acid; Erythrocytes; Glucose; Glucose Transporter Type 1; Glucosephosphate Dehydrogenase; Glutathione; Hemolysis; Humans; Neoplasms; Oxidation-Reduction; Oxidative Stress; Pentose Phosphate Pathway | 2016 |
Antioxidant Micronutrients and Oxidative Stress Biomarkers.
Topics: 8-Hydroxy-2'-Deoxyguanosine; Antioxidants; Ascorbic Acid; Biomarkers; Carotenoids; Comet Assay; Dehydroascorbic Acid; Deoxyguanosine; DNA Damage; Enzyme-Linked Immunosorbent Assay; Gingival Crevicular Fluid; Humans; Micronutrients; Oxidation-Reduction; Oxidative Stress; Plasma; Reactive Oxygen Species; Saliva; Serum | 2017 |
The effects of cadmium on the biochemical and physiological parameters of Eruca sativa.
Topics: Antioxidants; Ascorbate Peroxidases; Ascorbic Acid; Brassicaceae; Cadmium; Catalase; Dehydroascorbic Acid; Lipid Peroxidation; Malondialdehyde; Oxidative Stress; Peroxidase; Plant Leaves; Plant Roots; Proline; Sulfhydryl Compounds; Superoxide Dismutase; Water | 2016 |
Ascorbic acid, but not dehydroascorbic acid increases intracellular vitamin C content to decrease Hypoxia Inducible Factor -1 alpha activity and reduce malignant potential in human melanoma.
Topics: Ascorbic Acid; Biological Transport; Cell Line; Cell Line, Tumor; Dehydroascorbic Acid; Glucose; Humans; Hypoxia-Inducible Factor 1, alpha Subunit; Melanoma; Sodium; Transcription, Genetic; Tumor Microenvironment | 2017 |
Hyperpolarized
Topics: Animals; Ascorbic Acid; Carbon-13 Magnetic Resonance Spectroscopy; Choline Deficiency; Dehydroascorbic Acid; Diet; Disease Models, Animal; Lipid Metabolism; Liver; Magnetic Resonance Imaging; Male; Methionine; Mice; Non-alcoholic Fatty Liver Disease; Oxidative Stress | 2017 |
Chemical Transport Knockout for Oxidized Vitamin C, Dehydroascorbic Acid, Reveals Its Functions in vivo.
Topics: Animals; Ascorbic Acid; Biological Transport; Cell Membrane; Dehydroascorbic Acid; Erythrocytes; Gene Knockout Techniques; Glucose; Hemolysis; Mice; Mice, Knockout; Oxidation-Reduction; Oxidoreductases; Phenotype; Sugar Acids | 2017 |
The
Topics: Adolescent; Adult; Alleles; Animals; Antioxidants; Ascorbic Acid; Cohort Studies; Colitis, Ulcerative; Crohn Disease; Dehydroascorbic Acid; Diet; Female; Genetic Predisposition to Disease; Genotype; Glucose; Glucose Transport Proteins, Facilitative; Humans; Male; Manitoba; Middle Aged; Polymorphism, Single Nucleotide; Protein Isoforms; Xenopus; Young Adult | 2017 |
Effects of nicosulfuron on growth, oxidative damage, and the ascorbate-glutathione pathway in paired nearly isogenic lines of waxy maize (Zea mays L.).
Topics: Ascorbate Peroxidases; Ascorbic Acid; Dehydroascorbic Acid; Glutathione; Glutathione Peroxidase; Glutathione Reductase; Herbicides; Hydrogen Peroxide; Lipid Peroxidation; NADH, NADPH Oxidoreductases; Oxidative Stress; Oxidoreductases; Pyridines; Sulfonylurea Compounds; Superoxides; Zea mays | 2018 |
Kinetic modelling of ascorbic and dehydroascorbic acids concentrations in a model solution at different temperatures and oxygen contents.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Hydrogen-Ion Concentration; Kinetics; Malus; Models, Theoretical; Oxidation-Reduction; Oxygen; Partial Pressure; Temperature | 2018 |
Imaging glutathione depletion in the rat brain using ascorbate-derived hyperpolarized MR and PET probes.
Topics: Animals; Antioxidants; Ascorbic Acid; Brain; Dehydroascorbic Acid; Glutathione; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Oxidative Stress; Positron-Emission Tomography; Rats; Reactive Oxygen Species | 2018 |
Ascorbic acid leads to glycation and interferes with neurite outgrowth.
Topics: Animals; Ascorbic Acid; Cell Survival; Dehydroascorbic Acid; Extracellular Signal-Regulated MAP Kinases; Glycation End Products, Advanced; MAP Kinase Signaling System; Neuronal Outgrowth; PC12 Cells; Phosphorylation; Rats | 2019 |
The oxidation of dehydroascorbic acid and 2,3-diketogulonate by distinct reactive oxygen species.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Dehydroascorbic Acid; Hydrogen Peroxide; Iron; Models, Chemical; Molecular Structure; Oxidants; Oxidation-Reduction; Reactive Oxygen Species; Superoxides | 2018 |
Chemical Redox-Cycling for Improving the Sensitivity of Colorimetric Enzyme-Linked Immunosorbent Assay.
Topics: Alkaline Phosphatase; alpha-Fetoproteins; Antibodies; Ascorbic Acid; Colorimetry; Coordination Complexes; Dehydroascorbic Acid; Enzyme-Linked Immunosorbent Assay; Humans; Iron; Limit of Detection; Oxidation-Reduction; Phenanthrolines; Reproducibility of Results | 2019 |
Vitamin C in camu-camu [Myrciaria dubia (H.B.K.) McVaugh]: evaluation of extraction and analytical methods.
Topics: Ascorbic Acid; Brazil; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Fruit; Myrtaceae; Pharmaceutical Preparations; Plant Extracts; Sensitivity and Specificity; Solvents | 2019 |
Determination of cellular vitamin C dynamics by HPLC-DAD.
Topics: Ascorbic Acid; Cell Line, Tumor; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Erythrocytes; Glucose Transporter Type 1; Humans; Oxidation-Reduction; Pancreas; Phosphorous Acids | 2019 |
New UHPLC-QqQ-MS/MS Method for the Rapid and Sensitive Analysis of Ascorbic and Dehydroascorbic Acids in Plant Foods.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Tandem Mass Spectrometry | 2019 |
Procyanidins in rice cooked with adzuki bean and their contribution to the reduction of nitrite to nitric oxide (
Topics: Anthocyanins; Ascorbic Acid; Biflavonoids; Catechin; Cooking; Dehydroascorbic Acid; Gastric Juice; Hot Temperature; Humans; Japan; NIMA-Interacting Peptidylprolyl Isomerase; Nitric Oxide; Nitrites; Oryza; Oxidation-Reduction; Proanthocyanidins; Saliva; Starch; Vigna | 2020 |
l-Dehydroascorbic acid recycled by thiols efficiently scavenges non-thermal plasma-induced hydroxyl radicals.
Topics: Acetylcysteine; Ascorbic Acid; Cyclic N-Oxides; Dehydroascorbic Acid; Dithiothreitol; Electron Spin Resonance Spectroscopy; Free Radical Scavengers; Glutathione; Hydroxyl Radical; Plasma Gases; Spin Labels | 2019 |
The Role of Physiological Vitamin C Concentrations on Key Functions of Neutrophils Isolated from Healthy Individuals.
Topics: Ascorbic Acid; Biological Transport; Chemotaxis; Dehydroascorbic Acid; Extracellular Traps; Healthy Volunteers; Humans; N-Formylmethionine Leucyl-Phenylalanine; Neutrophils | 2019 |
The sour side of vitamin C might mediate neuroprotective, anticonvulsive and antidepressant-like effects.
Topics: Alzheimer Disease; Animals; Anticonvulsants; Antidepressive Agents; Antioxidants; Ascorbic Acid; Brain; Carrier Proteins; Cations; Dehydroascorbic Acid; Depressive Disorder; Epilepsy; Humans; Hydrogen-Ion Concentration; Intracellular Fluid; Mammals; Mechanistic Target of Rapamycin Complex 1; Nerve Tissue Proteins; Neurons; Neuroprotective Agents; Oxidation-Reduction | 2019 |
Development of a Physiologically Relevant Online Chemical Assay To Quantify Aerosol Oxidative Potential.
Topics: Aerosols; Ascorbic Acid; Bicyclic Monoterpenes; Copper; Dehydroascorbic Acid; Electrochemical Techniques; Fluorescent Dyes; Iron; Limit of Detection; Oxidation-Reduction; Particulate Matter; Phenylenediamines; Reactive Oxygen Species | 2019 |
Characterisation of the non-oxidative degradation pathway of dehydroascorbic acid in slightly acidic aqueous solution.
Topics: 2,3-Diketogulonic Acid; Ascorbic Acid; Dehydroascorbic Acid; Isomerism; Lactones; Oxidation-Reduction; Water | 2020 |
Vitamin C controls neuronal necroptosis under oxidative stress.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Necroptosis; Neurons; Oxidation-Reduction; Oxidative Stress | 2020 |
Erythrocyte Ascorbate Is a Potential Indicator of Steady-State Plasma Ascorbate Concentrations in Healthy Non-Fasting Individuals.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Dietary Supplements; Erythrocytes; Fasting; Female; Humans; Male; Monitoring, Physiologic; Time Factors | 2020 |
Resveratrol potentiates intracellular ascorbic acid enrichment through dehydroascorbic acid transport and/or its intracellular reduction in HaCaT cells.
Topics: Ascorbic Acid; Cell Line; Cell Proliferation; Cell Survival; Dehydroascorbic Acid; Drug Synergism; Gene Expression Regulation; Gene Regulatory Networks; Humans; Keratinocytes; Resveratrol | 2020 |
Dehydroascorbic acid, the oxidized form of vitamin C, improves renal histology and function in old mice.
Topics: Aging; Animals; Ascorbic Acid; Dehydroascorbic Acid; Gene Expression Regulation; Glucose Transporter Type 1; Humans; Inflammation; Kidney; Mice; Oxidative Stress; Sodium-Coupled Vitamin C Transporters | 2020 |
Dual effects of ascorbic acid on the stability of EGCG by the oxidation product dehydroascorbic acid promoting the oxidation and inhibiting the hydrolysis pathway.
Topics: Ascorbic Acid; Catechin; Dehydroascorbic Acid; Hydrolysis; Oxidation-Reduction; Tea; Temperature | 2021 |
Glutathione and Glutathione-Like Sequences of Opioid and Aminergic Receptors Bind Ascorbic Acid, Adrenergic and Opioid Drugs Mediating Antioxidant Function: Relevance for Anesthesia and Abuse.
Topics: Analgesics, Opioid; Ascorbic Acid; Dehydroascorbic Acid; Enkephalin, Methionine; Glutathione; Humans; Hydromorphone; Methadone; Morphine; Naloxone; Peptides; Receptors, Adrenergic, beta-2; Receptors, Dopamine D1; Receptors, Histamine H1; Receptors, Opioid; Receptors, Opioid, mu | 2020 |
Determination of Ascorbic Acid, Total Ascorbic Acid, and Dehydroascorbic Acid in Bee Pollen Using Hydrophilic Interaction Liquid Chromatography-Ultraviolet Detection.
Topics: Animals; Ascorbic Acid; Bees; Brassica; Camellia; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Hydrophobic and Hydrophilic Interactions; Lotus; Phosphorous Acids; Pollen; Ultraviolet Rays | 2020 |
Influence of the Phenological Stage and Harvest Date on the Bioactive Compounds Content of Green Pepper Fruit.
Topics: Antioxidants; Ascorbic Acid; Capsicum; Chemistry, Organic; Dehydroascorbic Acid; Food Analysis; Food Preservation; Fruit; Hydrogen-Ion Concentration; Phenol; Phenols; Phytochemicals; Sugars; Temperature; Time Factors | 2021 |
Application of a New Dehydroascorbic Acid Reducing Agent in the Analysis of Vitamin C Content in Food.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Food; Food Analysis; Indicators and Reagents; Phosphines; Reducing Agents | 2021 |
Glioblastoma Invasiveness and Collagen Secretion Are Enhanced by Vitamin C.
Topics: Animals; Ascorbic Acid; Collagen; Dehydroascorbic Acid; Glioblastoma; Glucose; Guinea Pigs; Humans; Sodium-Coupled Vitamin C Transporters; Vitamins | 2022 |
Effects of different concentrations of ascorbic acid on the stability of (+) - Catechin under enzymatic conditions.
Topics: Ascorbic Acid; Catechin; Catechol Oxidase; Dehydroascorbic Acid; Oxidation-Reduction | 2023 |
The influence of varying levels of molecular oxygen on the functionality of azodicarbonamide and ascorbic acid during wheat bread making.
Topics: Ascorbic Acid; Azo Compounds; Bread; Dehydroascorbic Acid; Flour; Oxidoreductases; Oxygen; Triticum | 2022 |
Identification of Structural Determinants of the Transport of the Dehydroascorbic Acid Mediated by Glucose Transport GLUT1.
Topics: Ascorbic Acid; Biological Transport; Dehydroascorbic Acid; Glucose; Glucose Transporter Type 1; Humans | 2023 |
A New Method for the Determination of Total Content of Vitamin C, Ascorbic and Dehydroascorbic Acid, in Food Products with the Voltammetric Technique with the Use of Tris(2-carboxyethyl)phosphine as a Reducing Reagent.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Dehydroascorbic Acid; Indicators and Reagents; Vitamins | 2023 |
Biochemical and structural characterization of a robust and thermostable ascorbate recycling monodehydroascorbate reductase (MDHAR) from stress adapted pearl millet.
Topics: Ascorbic Acid; Dehydroascorbic Acid; Pennisetum | 2023 |