Page last updated: 2024-08-17

pyridoxic acid and pyridoxine

pyridoxic acid has been researched along with pyridoxine in 122 studies

Research

Studies (122)

Timeframe	Studies, this research(%)	All Research%
pre-1990	63 (51.64)	18.7374
1990's	38 (31.15)	18.2507
2000's	9 (7.38)	29.6817
2010's	12 (9.84)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Dotsenkov, VA	1
Bossé, TR; Donald, EA	1
Garron, J; Joanny, P; Millet, Y; Ohayon, H; Tognetti, P	1
Stewart, KK; Vanderslice, JT; Yarmas, MM	1
Davis, M; Labadarios, D; McConnell, JB; Rossouw, JE; Williams, R	2
Tiselius, HG	1
Coburn, SP; Mahuren, JD	2
Lewis, JS; Nunn, KP	1
Fernández, NA	1
Brown, RR; Leklem, JE; Linkswiler, HM; Rose, DP	1
Kurz, R; Reinken, L	1
Picton, C; Scott, TA	1
Allman, MA; Pang, E; Stewart, PM; Tiller, DJ; Truswell, AS; Yau, DF	1
Dakshinamurti, K; Sharma, SK	1
Bessman, SP; Geiger, PJ; Memon, RA; Mohan, C; Rogers, KS	1
Chrisley, BM; Driskell, JA	1
Edwards, P; Rose, GA	1
Chrisley, BM; Driskell, JA; Moak, SW; Reynolds, LK	1
Caudarella, R; Marchetti, M; Rizzoli, E; Tolomelli, B	1
Gershoff, SN; Morrow, FD; Ribaya-Mercado, JD; Russell, RM; Sahyoun, N	1
Chrisley, BM; Driskell, JA; McNair, HM	1
Henderson, JM; Merrill, AH	1
Leklem, JE	1
Andon, MB; Howard, MP; Moser-Veillon, PB; Reynolds, RD	1
Betschart, AA; Hudson, CA; Oace, SM	1
Edwards, P; Liu, PK; Rose, GA	1
Driskell, JA; McChrisley, B; McNair, HM; Thye, FW	1
Kant, AK; Moser-Veillon, PB; Reynolds, RD	1
Hirayama, C; Ohgi, N	1
Reynolds, RD; Schlichting, CL; Styer, DJ	1
Becker, PJ; Delport, R; Serfontein, WJ; Ubbink, JB; Walters, L	1
Coburn, SP; Costill, DL; Fink, WJ; Lewis, DL; Mahuren, JD; Schaltenbrand, WE	1
Fun, L; Goto, S; Ogawa, Y; Okayama, A; Wada, H; Yamatodani, A	1
Bogaards, JJ; Van den Berg, H	1
Leklem, JE; Manore, MN; Walter, MC	1
Butterfield, GE; Dreon, DM	1
Bruinse, HW; Louwerse, ES; Schrijver, J; Thissen, JT; van den Berg, H	1
Lee, CM; Leklem, JE	1
Coburn, SP; Mahuren, JD; Vrabel, LA; Whyte, MP	1
Aronoff, GR; Li, TK; Lui, A; Lumeng, L	1
Leklem, JE; Miller, LT; Shultz, TD	1
Brown, LT; Coburn, SP; DeMark, B; Erbelding, WF; Hachey, DL; Klein, PD	1
Sauberlich, HE	1
Leklem, JE; Lindberg, AS; Miller, LT	1
Kishore, GM; Snell, EE; Yagi, T	1
Davis, RE; Wilson, RG	1
Leklem, JE; Shultz, TD	2
Dozi-Vassiliades, J; Mourelatos, D; Myrtsiotis, A	1
Kabir, H; Leklem, JE; Miller, LT	1
Bailey, LB; Cerda, JJ; Gregory, JF; Schuster, K	1
Coburn, SP; Erbelding, WF; Hachey, DL; Klein, PD; Mahuren, JD; Townsend, DW	1
Fukumoto-Hato, M; Matsumoto-Yoshino, M; Mizuno, N; Morita, E	1
Bapurao, S; Raman, L; Tulpule, PG	1
Hötzel, D; Leinert, J; Simon, I	2
Shane, B	1
Beecher, GR; Maire, CE; Vanderslice, JT	1
Bailey, LB; Mahan, CS; Schuster, K	1
Chen, LH; Fan-Chiang, WL	1
Leklem, JE; Miller, LT; Wozenski, JR	1
Arend, RA; Brown, RR; Walter, S; Wolf, H	1
Bell, E	1
Eggers, DK; Fonda, ML; Mehta, R	2
Guelen, PJ; Hoes, MJ; O'Reilly, WJ; van der Kleyn, E	1
Coburn, SP; Conn, PS; Costill, DL; Fink, WJ; Lane, HW; Mahuren, JD; Pearson, DR; Schaltenbrand, WE; Thampy, KG; Ziegler, PJ	1
Driskell, JA; Giraud, DW; Martin, HD	1
Coburn, SP; Gretz, D; Mahuren, JD; Schaeffer, MC	1
Johnson, HL; Kretsch, MJ; Sauberlich, HE; Skala, JH	1
Ferroli, CE; Trumbo, PR	1
Leklem, JE; Prince, AP	1
Pannemans, DL; van den Berg, H; Westerterp, KR	1
Cordain, L; Crozier, PG; Sampson, DA	1
Bitsch, R	1
Cufi, D; Keul, J; Reuss, F; Rokitzki, L; Sagredos, AN	1
Trumbo, PR; Wang, JW	1
Hansen, CM; Leklem, JE; Miller, LT	3
Beynon, RJ; Coburn, SP; Edwards, RH; Evershed, RP; Leyland, DM	1
Hayakawa, T; Maeno, M; Morimoto, Y; Suzuki, Y; Tsuge, H	1
Chen, W; Evans, MA; Huang, YC; Mitchell, ME; Shultz, TD	1
Brants, HA; Brussaard, JH; Kistemaker, C; Löwik, MR; van den Berg, H	1
Bemelmans, W; Brants, HA; Brussaard, JH; Löwik, MR; van den Berg, H	1
Wei, IL	1
Hayakawa, T; Iida, Y; Tsuge, H	1
Bates, CJ; Berge, T; Drabløs, PA; Hervig, T; Hetland, O; Kristensen, O; Mansoor, MA; Osland, A; Pentieva, K; Rolfsen, S; Vefring, H	1
van den Berg, H	1
Bates, CJ; Finch, S; Mansoor, MA; Pentieva, KD; Prentice, A	1
Evans, MA; Hansen, CM; Shultz, TD	1
Bates, CJ; Cole, TJ; Pentieva, KD; Prentice, A	1
Driskell, JA; Giraud, DW; Mitmesser, SH	1
Casez, JP; Drouve, U; Jaeger, P; Kälin, A; Nguyen, QV	1
Hansen, CM; Kwak, HK; Leklem, JE; Memon, HS; Shultz, TD	1
Bisp, MR; Bleie, Ø; Bor, MV; Nexø, E; Nordrehaug, JE; Nygard, OK; Refsum, H; Schneede, J; Ueland, PM	1
FISHER, DH; STORVICK, CA; WOODRING, MJ	1
HSU, JM; JONES, LG; MCKUSICK, AB; SHERWIN, RW	1
MALINA, MV	1
CULLEN, AM; SCRIVER, CR	1
Casez, JP; Jaeger, P; Kaelin, A	1
Dosy, J; Mahuren, JD; Massé, PG; Tranchant, C	1
Adrover, M; Donoso, J; Muñoz, F; Vilanova, B	1
RABINWITZ, JC; SNELL, EE	1
A Crai, C; Ge, F; Nagano, S; Nishimura, S; Yagi, T; Yokochi, N; Yoshikane, Y	1
Baggot, PJ; DeNicola, NG; Eliseo, AJ; Kalamarides, JA; Shoemaker, JD	1
HEYL, D	1
Do, HT; Ide, Y; Mugo, AN; Murayama, R; Yagi, T; Yoshikane, Y	1
Carrero, JJ; Czarnowski, W; Dębska-Ślizień, A; Jankowska, M; Lindholm, B; Marszałł, M; Rutkowski, B; Trzonkowski, P	1
Midttun, Ø; Nygård, O; Pedersen, ER; Ueland, PM; Ulvik, A	1
Dolina, S; Malitsky, S; Margalit, D; Pressman, E; Rabinkov, A	1
Boylan, M; Clement, L; Driskell, J; Giraud, D; Miller, V; Subih, H	1
Albersen, M; Bosma, M; de Koning, TJ; de Ruijter, J; de Ruiter, BH; Diekman, EF; Knoers, NV; Verhoeven-Duif, NM; Visser, WF	1
Furuya, M; Iwamoto, S; Mizuseki, R; Nakayama, K; Yagi, T	1
Ishikawa, M; Johno, A; Kobayashi, D; Sasaki, K; Wada, K; Yoshimura, T	1
Abela, L; Albersen, M; Beese, K; Bok, LA; Bürer, C; Crowther, L; Hartmann, H; Hersberger, M; Mathis, D; Papuc, SM; Plecko, B; Rauch, A; Struys, E; Verhoeven-Duif, NM	1
Gad, SC; Mujer, CV; Peterson, RC; Sullivan, DW	1
Inaba, Y; Kobayashi, D; Misawa, Y; Nakata, S; Sado, T; Sato, M; Tsuno, T; Wada, K; Yamauchi, S	1
Kobayashi, D	1

Reviews

7 review(s) available for pyridoxic acid and pyridoxine

Article	Year
Pyridoxine and its metabolism in chronic liver disease. Nutrition reviews, 1977, Volume: 35, Issue:6 Topics: Alcoholism; Chemical and Drug Induced Liver Injury; Chronic Disease; Humans; Liver; Liver Diseases; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1977
Vitamin B6 metabolism by human liver. Annals of the New York Academy of Sciences, 1990, Volume: 585 Topics: Amino Acids; Humans; Kinetics; Liver; Liver Cirrhosis; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1990
Vitamin B-6: a status report. The Journal of nutrition, 1990, Volume: 120 Suppl 11, Issue:4 Topics: Erythrocytes; Humans; Liver; Methionine; Nutrition Assessment; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Transaminases; Tryptophan	1990
Newer laboratory methods for assessing nutriture of selected B-complex vitamins. Annual review of nutrition, 1984, Volume: 4 Topics: Alanine Transaminase; Autoanalysis; Binding, Competitive; Biological Assay; Body Fluids; Child, Preschool; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Erythrocytes; Flavin-Adenine Dinucleotide; Folic Acid; Glutathione Reductase; Humans; Infant; Infant, Newborn; Leukocytes; Methods; Niacin; Niacinamide; Nutritional Physiological Phenomena; Protein Binding; Pyridones; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Riboflavin; Thiamine; Thiamine Pyrophosphate; Transketolase; Vitamin B Complex; Vitamin B Deficiency	1984
Clinical chemistry of vitamin B6. Advances in clinical chemistry, 1983, Volume: 23 Topics: Animals; Biological Assay; Biological Availability; Biological Transport; Chemical Phenomena; Chemistry; Contraceptives, Oral; Female; Humans; Infections; Intestinal Absorption; Kynurenine; Lactation; Liver; Models, Biological; Nutritional Requirements; Oxidation-Reduction; Phosphorylation; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Radioimmunoassay; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates	1983
Vitamin B6. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1993, Volume: 63, Issue:4 Topics: Humans; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Vitamin B 6 Deficiency	1993
[Food Poisoning by Ginkgo Seeds through Vitamin B Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan, 2019, Volume: 139, Issue:1 Topics: Foodborne Diseases; Ginkgo biloba; Humans; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6; Vitamin B 6 Deficiency	2019

Trials

13 trial(s) available for pyridoxic acid and pyridoxine

Article	Year
Vitamin B6 requirements of women using oral contraceptives. The American journal of clinical nutrition, 1975, Volume: 28, Issue:5 Topics: Adult; Alanine Transaminase; Aspartate Aminotransferases; Contraceptives, Oral; Contraceptives, Oral, Hormonal; Cystathionine; Female; Humans; Methionine; Nutritional Requirements; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Vitamin B 6 Deficiency	1975
Decreased vitamin B-6 status of submariners during prolonged patrol. The American journal of clinical nutrition, 1988, Volume: 47, Issue:3 Topics: Adult; Depression; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Submarine Medicine; Time Factors; Vitamin B 6 Deficiency	1988
Vitamin B-6 requirement and status assessment: young women fed a depletion diet followed by a plant- or animal-protein diet with graded amounts of vitamin B-6. The American journal of clinical nutrition, 1995, Volume: 61, Issue:5 Topics: Adult; Analysis of Variance; Biomarkers; Dairy Products; Dietary Proteins; Dose-Response Relationship, Drug; Female; Food, Formulated; Humans; Nutrition Assessment; Nutritional Requirements; Plant Proteins; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Xanthurenates	1995
The influence of protein intake on vitamin B-6 metabolism differs in young and elderly humans. The Journal of nutrition, 1994, Volume: 124, Issue:8 Topics: Adult; Aged; Aging; Dietary Proteins; Energy Intake; Female; Humans; Male; Protein Biosynthesis; Proteins; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Exercise-induced changes in plasma vitamin B-6 concentrations do not vary with exercise intensity. The American journal of clinical nutrition, 1994, Volume: 60, Issue:4 Topics: Adolescent; Adult; Exercise; Female; Humans; Male; Oxygen Consumption; Plasma Volume; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors	1994
Vitamin B-6 status indicators decrease in women consuming a diet high in pyridoxine glucoside. The Journal of nutrition, 1996, Volume: 126, Issue:10 Topics: Adult; Animals; Biological Availability; Cross-Over Studies; Diet; Dose-Response Relationship, Drug; Erythrocytes; Feces; Female; Glucosides; Humans; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Regression Analysis	1996
Changes in vitamin B-6 status indicators of women fed a constant protein diet with varying levels of vitamin B-6. The American journal of clinical nutrition, 1997, Volume: 66, Issue:6 Topics: Adult; Dietary Proteins; Female; Humans; Nutritional Status; Pyridoxic Acid; Pyridoxine; Transaminases	1997
Vitamin B-6 requirement and status assessment of young women fed a high-protein diet with various levels of vitamin B-6. The American journal of clinical nutrition, 1998, Volume: 67, Issue:2 Topics: Adult; Dietary Proteins; Female; Humans; Linear Models; Nutrition Assessment; Nutrition Policy; Nutritional Requirements; Pyridoxic Acid; Pyridoxine	1998
Plasma total homocysteine response to oral doses of folic acid and pyridoxine hydrochloride (vitamin B6) in healthy individuals. Oral doses of vitamin B6 reduce concentrations of serum folate. Scandinavian journal of clinical and laboratory investigation, 1999, Volume: 59, Issue:2 Topics: Administration, Oral; Adult; Cholesterol; Cysteine; Dipeptides; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Lipoproteins; Male; Middle Aged; Norway; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 12	1999
Sensitivity to meat protein intake and hyperoxaluria in idiopathic calcium stone formers. Kidney international, 2001, Volume: 59, Issue:6 Topics: Adult; Calcium; Diet, Protein-Restricted; Dietary Proteins; Glycolates; Humans; Hyperoxaluria; Kidney Calculi; Male; Meat; Middle Aged; Oxalates; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Sulfates	2001
Assessment of vitamin B-6 status in young women consuming a controlled diet containing four levels of vitamin B-6 provides an estimated average requirement and recommended dietary allowance. The Journal of nutrition, 2001, Volume: 131, Issue:6 Topics: Administration, Oral; Adult; Alanine Transaminase; Aspartate Aminotransferases; Body Mass Index; Diet; Erythrocytes; Ethnicity; Female; Humans; Nutrition Policy; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	2001
Plasma vitamin B6 vitamers before and after oral vitamin B6 treatment: a randomized placebo-controlled study. Clinical chemistry, 2003, Volume: 49, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Chromatography, High Pressure Liquid; Female; Humans; Male; Middle Aged; Placebos; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Vitamin B 6	2003
Epilepsy as a pyridoxine-dependent condition: quantified urinary biomarkers for status evaluation and monitoring antiepileptic treatment. Medical hypotheses, 2012, Volume: 79, Issue:2 Topics: Adolescent; Anticonvulsants; Biomarkers; Child; Child, Preschool; Epilepsy; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reproducibility of Results; Sensitivity and Specificity; Treatment Outcome; Tryptophan	2012

Other Studies

102 other study(ies) available for pyridoxic acid and pyridoxine

Article	Year
[Indices of the vitamin C, P, B1, B6 and PP allowances in experimental chromium sensitization]. Gigiena i sanitariia, 1978, Issue:1 Topics: Animals; Ascorbic Acid; Chromium; Dose-Response Relationship, Immunologic; Drug Hypersensitivity; Flavonoids; Guinea Pigs; Niacinamide; Potassium Dichromate; Pyridoxic Acid; Pyridoxine; Rabbits; Thiamine; Time; Vitamins	1978
The vitamin B6 requirement in oral contraceptive users. II. Assessment by tryptophan metabolites, vitamin B6, and pyridoxic acid levels in urine. The American journal of clinical nutrition, 1979, Volume: 32, Issue:5 Topics: Adolescent; Adult; Contraceptives, Oral; Contraceptives, Oral, Synthetic; Female; Humans; Isonicotinic Acids; Kynurenic Acid; Kynurenine; Nutritional Requirements; Pyridoxic Acid; Pyridoxine; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates	1979
Effect of pyridoxine, glyoxylic acid and pyridoxylate on oxidative metabolism in vitro and phosphorylated energy-rich compounds studied in rat brains during acute hypoxia and ischaemia. Resuscitation, 1979, Volume: 7, Issue:2 Topics: Adenosine Triphosphate; Animals; Brain Ischemia; Cerebral Cortex; Electric Stimulation; Glyoxylates; Hypoxia, Brain; Isonicotinic Acids; Lactates; Oxygen; Phosphates; Phosphocreatine; Pyridoxic Acid; Pyridoxine; Rats	1979
Liquid chromatographic separation and quantification of B6 vitamers and their metabolite, pyridoxic acid. Journal of chromatography, 1979, Aug-11, Volume: 176, Issue:2 Topics: Chromatography, High Pressure Liquid; Isonicotinic Acids; Pyridoxic Acid; Pyridoxine	1979
Plasma pyridoxal phosphate levels in fulminant hepatic failure and the effects of parenteral supplementation. Scandinavian journal of gastroenterology, 1977, Volume: 12, Issue:1 Topics: Hepatic Encephalopathy; Humans; Injections, Intravenous; Liver; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Transaminases	1977
Vitamin B6 deficiency in chronic liver disease--evidence for increased degradation of pyridoxal-5'-phosphate. Gut, 1977, Volume: 18, Issue:1 Topics: Alcoholism; Chronic Disease; Humans; Liver Diseases; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1977
Excretion of 4-pyridoxic acid and oxalic acid in patients with urinary calculi. Investigative urology, 1977, Volume: 15, Issue:1 Topics: Ascorbic Acid; Female; Humans; Isonicotinic Acids; Male; Oxalates; Pyridoxic Acid; Pyridoxine; Urinary Calculi	1977
Separation of seven B6 vitamers by two-dimensional thin-layer chromatography. Analytical biochemistry, 1977, Volume: 82, Issue:1 Topics: Chromatography, Thin Layer; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1977
Vitamin B6 intakes and 24-hr 4-pyridoxic acid excretions of children. The American journal of clinical nutrition, 1977, Volume: 30, Issue:12 Topics: Child; Child, Preschool; Dietary Proteins; Female; Humans; Isonicotinic Acids; Male; Nutritional Requirements; Pyridoxic Acid; Pyridoxine	1977
Vitamin B6 intake and urinary excretion of 4-pyridoxic acid per gram of creatinine in a rural Puerto Rican area. Boletin de la Asociacion Medica de Puerto Rico, 1976, Volume: 68, Issue:4 Topics: Adolescent; Adult; Aged; Child; Child, Preschool; Creatinine; Female; Humans; Isonicotinic Acids; Male; Middle Aged; Nutrition Surveys; Puerto Rico; Pyridoxic Acid; Pyridoxine; Rural Population	1976
[Activity studies of an iron-vitamin B6 preparation for euteral treatment of iron deficiency anemia]. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1975, Volume: 45, Issue:4 Topics: Administration, Oral; Anemia, Hypochromic; Aspartate Aminotransferases; Child; Drug Therapy, Combination; Erythrocytes; Hematocrit; Hemoglobins; Humans; Intestinal Absorption; Iron; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reticulocytes	1975
The conversion of 3-Hydroxy-2,4,5-trihydroxymethylpyridine into pyridoxine by Kloeckera apiculata. The Biochemical journal, 1976, Jan-15, Volume: 154, Issue:1 Topics: Pyridines; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Yeasts	1976
Elevated plasma vitamers of vitamin B6 in patients with chronic renal failure on regular haemodialysis. European journal of clinical nutrition, 1992, Volume: 46, Issue:9 Topics: Adult; Aged; Chromatography, High Pressure Liquid; Female; Humans; Kidney Failure, Chronic; Male; Middle Aged; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Renal Dialysis	1992
Determination of vitamin B6 vitamers and pyridoxic acid in biological samples. Journal of chromatography, 1992, Jul-01, Volume: 578, Issue:1 Topics: Animals; Cells, Cultured; Cerebral Cortex; Chromatography, High Pressure Liquid; Humans; Kidney; Liver; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats	1992
Lack of hormonal stimulation of pyridoxine metabolism in isolated rat hepatocytes. Biochemical medicine and metabolic biology, 1992, Volume: 48, Issue:2 Topics: Animals; Carbon Radioisotopes; Cells, Cultured; Epinephrine; Glucagon; Insulin; Kinetics; Liver; Male; Probability; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Rats, Sprague-Dawley	1992
Plasma B-6 vitamer and plasma and urinary 4-pyridoxic acid concentrations in young women as determined using high performance liquid chromatography. Biomedical chromatography : BMC, 1991, Volume: 5, Issue:5 Topics: Adult; Alanine Transaminase; Chromatography, High Pressure Liquid; Erythrocytes; Female; Fluorometry; Humans; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Radioimmunoassay; Ultraviolet Rays	1991
Metabolism of pyridoxine in mild metabolic hyperoxaluria and primary hyperoxaluria (type 1). Urologia internationalis, 1991, Volume: 47, Issue:3 Topics: Chromatography, High Pressure Liquid; Humans; Hyperoxaluria; Hyperoxaluria, Primary; Pyridoxic Acid; Pyridoxine	1991
Plasma B6 vitamer and plasma and urinary 4-pyridoxic acid concentrations of middle-aged obese black women. Journal of chromatography, 1991, Aug-23, Volume: 568, Issue:2 Topics: Adult; Black or African American; Body Height; Body Weight; Chromatography, High Pressure Liquid; Female; Humans; Middle Aged; Nutritional Status; Obesity; Pyridoxic Acid; Pyridoxine; Spectrometry, Fluorescence	1991
Relationships between some lithogenetic factors and vitamin B6-status in idiopathic calcium lithiasis. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1991, Volume: 61, Issue:4 Topics: Calcium Oxalate; Diet; Humans; Pyridoxic Acid; Pyridoxine; Reference Values; Urinary Bladder Calculi	1991
Vitamin B-6 requirements of elderly men and women. The Journal of nutrition, 1991, Volume: 121, Issue:7 Topics: Aged; Aspartate Aminotransferases; Diet; Dietary Proteins; Female; Food, Formulated; Humans; Male; Middle Aged; Nutritional Requirements; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency; Xanthurenates	1991
Separation and quantification of the B6 vitamers in plasma and 4-pyridoxic acid in urine of adolescent girls by reversed-phase high-performance liquid chromatography. Journal of chromatography, 1991, Feb-15, Volume: 563, Issue:2 Topics: Adolescent; Body Height; Body Weight; Child; Chromatography, High Pressure Liquid; Dietary Proteins; Female; Hematocrit; Hemoglobins; Humans; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1991
Dietary intake of total and glycosylated vitamin B-6 and the vitamin B-6 nutritional status of unsupplemented lactating women and their infants. The American journal of clinical nutrition, 1989, Volume: 50, Issue:5 Topics: Adult; Breast Feeding; Diet; Female; Glucosides; Humans; Infant; Lactation; Milk, Human; Nutritional Requirements; Nutritional Status; Pregnancy; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1989
Bioavailability of vitamin B-6 from rat diets containing wheat bran or cellulose. The Journal of nutrition, 1988, Volume: 118, Issue:1 Topics: Animals; Body Weight; Carbon; Carbon Radioisotopes; Cellulose; Dietary Fiber; Eating; Liver; Male; Nutritive Value; Pyridoxic Acid; Pyridoxine; Rats; Rats, Inbred Strains; Triticum	1988
A simple liquid-chromatographic method for measuring vitamin B6 compounds in plasma. Clinical chemistry, 1989, Volume: 35, Issue:2 Topics: Chromatography, High Pressure Liquid; Female; Humans; Male; Pyridoxic Acid; Pyridoxine; Reference Values	1989
Plasma B6 vitamer and 4-pyridoxic acid concentrations of men fed controlled diets. Journal of chromatography, 1988, Jun-24, Volume: 428, Issue:1 Topics: Adult; Diet; Humans; Indicators and Reagents; Isonicotinic Acids; Male; Pyridoxic Acid; Pyridoxine	1988
Effect of age on changes in plasma, erythrocyte, and urinary B-6 vitamers after an oral vitamin B-6 load. The American journal of clinical nutrition, 1988, Volume: 48, Issue:5 Topics: Adult; Aged; Aging; Erythrocytes; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reference Values	1988
Vitamin B6 status in cirrhotic patients in relation to apoenzyme of serum alanine aminotransferase. Clinical biochemistry, 1988, Volume: 21, Issue:6 Topics: Alanine Transaminase; Apoenzymes; Apoproteins; Female; Humans; Liver Cirrhosis; Liver Cirrhosis, Alcoholic; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1988
Vitamin B6 nutritional status in asthma: the effect of theophylline therapy on plasma pyridoxal-5'-phosphate and pyridoxal levels. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1988, Volume: 58, Issue:1 Topics: Adolescent; Adult; Aged; Asthma; Female; Humans; Middle Aged; Nutritional Physiological Phenomena; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Theophylline	1988
Human vitamin B-6 pools estimated through muscle biopsies. The American journal of clinical nutrition, 1988, Volume: 48, Issue:2 Topics: Adult; Biopsy; Citrate (si)-Synthase; Creatinine; Female; Humans; Male; Middle Aged; Muscles; Phosphorylases; Pyridoxic Acid; Pyridoxine	1988
Effect of exposure to carbon disulfide on tryptophan metabolism and the tissue vitamin B6 contents of rats. Archives of toxicology, 1987, Volume: 60, Issue:6 Topics: Animals; Carbon Disulfide; Female; Kynurenic Acid; Pyridoxic Acid; Pyridoxine; Rats; Rats, Inbred Strains; Tryptophan; Xanthurenates	1987
Vitamin B-6 metabolism in the pregnant rat: effect of progesterone on the (re)distribution in maternal vitamin B-6 stores. The Journal of nutrition, 1987, Volume: 117, Issue:11 Topics: Animals; Female; Kidney; Liver; Muscles; Organ Size; Ovariectomy; Pregnancy; Pregnancy, Animal; Progesterone; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine; Rats	1987
Vitamin B-6 metabolism as affected by exercise in trained and untrained women fed diets differing in carbohydrate and vitamin B-6 content. The American journal of clinical nutrition, 1987, Volume: 46, Issue:6 Topics: Adult; Dietary Carbohydrates; Female; Humans; Menopause; Middle Aged; Physical Exertion; Physical Fitness; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1987
Vitamin B6 utilization in active and inactive young men. The American journal of clinical nutrition, 1986, Volume: 43, Issue:5 Topics: Adult; Body Weight; Diet; Energy Intake; Humans; Male; Methionine; Physical Exertion; Pyridoxic Acid; Pyridoxine; Running	1986
Vitamin B6 status of women suffering from premenstrual syndrome. Human nutrition. Clinical nutrition, 1986, Volume: 40, Issue:6 Topics: Adolescent; Adult; Aspartate Aminotransferases; Erythrocytes; Female; Humans; Menstrual Cycle; Middle Aged; Premenstrual Syndrome; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Xanthurenates	1986
Differences in vitamin B6 status indicator responses between young and middle-aged women fed constant diets with two levels of vitamin B6. The American journal of clinical nutrition, 1985, Volume: 42, Issue:2 Topics: Adult; Age Factors; Diet; Dietary Carbohydrates; Female; Humans; Kynurenic Acid; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan; Xanthurenates	1985
Markedly increased circulating pyridoxal-5'-phosphate levels in hypophosphatasia. Alkaline phosphatase acts in vitamin B6 metabolism. The Journal of clinical investigation, 1985, Volume: 76, Issue:2 Topics: Adult; Aged; Alkaline Phosphatase; Child; Child, Preschool; Diet; Female; Humans; Hypophosphatasia; Infant; Isoenzymes; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Ultrafiltration	1985
Relationship between body store of vitamin B6 and plasma pyridoxal-P clearance: metabolic balance studies in humans. The Journal of laboratory and clinical medicine, 1985, Volume: 106, Issue:5 Topics: Adult; Diet; Half-Life; Humans; Isonicotinic Acids; Kinetics; Male; Metabolic Clearance Rate; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1985
The effect of dietary protein on the metabolism of vitamin B-6 in humans. The Journal of nutrition, 1985, Volume: 115, Issue:12 Topics: Adult; Body Weight; Dietary Proteins; Energy Intake; Feces; Humans; Male; Nitrogen; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan	1985
Quantitation of vitamin B6 in biological samples by isotope dilution mass spectrometry. Analytical biochemistry, 1985, Nov-15, Volume: 151, Issue:1 Topics: Animals; Chromatography, High Pressure Liquid; Deuterium; Feces; Gas Chromatography-Mass Spectrometry; Guinea Pigs; Isotope Labeling; Liver; Milk; Pyridoxic Acid; Pyridoxine	1985
The effect of wheat bran on the bioavailability of vitamin B-6 in young men. The Journal of nutrition, 1983, Volume: 113, Issue:12 Topics: Adult; Dietary Fiber; Feces; Humans; Male; Nutritive Value; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Triticum	1983
The bacterial oxidation of vitamin B6. 4-Pyridoxic acid dehydrogenase: a membrane-bound enzyme from Pseudomonas MA-1. The Journal of biological chemistry, 1983, Aug-10, Volume: 258, Issue:15 Topics: Alcohol Oxidoreductases; Flavin-Adenine Dinucleotide; Kinetics; Molecular Weight; Octoxynol; Polyethylene Glycols; Pseudomonas; Pyridoxic Acid; Pyridoxine; Spectrophotometry; Substrate Specificity	1983
Increased plasma pyridoxal 5'-phosphate and vitamin B6 in male adolescents after 4500-meter run. The American journal of clinical nutrition, 1983, Volume: 38, Issue:4 Topics: Adolescent; Blood Glucose; Energy Metabolism; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Running; Seasons	1983
Induction of sister-chromatid exchange in human lymphocytes by vitamin B6. Mutation research, 1983, Volume: 124, Issue:2 Topics: Cells, Cultured; Crossing Over, Genetic; Humans; Lymphocytes; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Sister Chromatid Exchange	1983
Comparative vitamin B-6 bioavailability from tuna, whole wheat bread and peanut butter in humans. The Journal of nutrition, 1983, Volume: 113, Issue:12 Topics: Adult; Animals; Arachis; Biological Availability; Bread; Feces; Fishes; Food Preservation; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors; Tuna	1983
Urinary 4-pyridoxic acid excretion in 24-hour versus random urine samples as a measurement of vitamin B6 status in humans. The American journal of clinical nutrition, 1984, Volume: 39, Issue:3 Topics: Adolescent; Adult; Aspartate Aminotransferases; Creatinine; Erythrocytes; Female; Humans; Isonicotinic Acids; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Specimen Handling; Time Factors; Vitamin B 6 Deficiency	1984
Measurement of vitamin B6 kinetics in vivo using chronic administration of labelled pyridoxine. Progress in clinical and biological research, 1984, Volume: 144A Topics: Animals; Feces; Guinea Pigs; Kinetics; Mathematics; Pyridoxic Acid; Pyridoxine; Time Factors; Tissue Distribution	1984
Stability, bactericidal activity, vitamin B6 activity and gastrointestinal absorption of benzoic acid esters of pyridoxine. Journal of nutritional science and vitaminology, 1981, Volume: 27, Issue:3 Topics: Absorption; Animals; Anti-Bacterial Agents; Bacillus subtilis; Benzoates; Benzoic Acid; Digestive System Physiological Phenomena; Drug Stability; Escherichia coli; Humans; Male; Mice; Pyridoxic Acid; Pyridoxine; Rats; Seizures	1981
Effect of high dose ascorbic acid on vitamin B6 metabolism. The American journal of clinical nutrition, 1982, Volume: 35, Issue:6 Topics: Adult; Ascorbic Acid; Dose-Response Relationship, Drug; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Time Factors	1982
Biochemical assessment of vitamin B6 nutritional status in pregnant women with orolingual manifestations. The American journal of clinical nutrition, 1982, Volume: 36, Issue:4 Topics: Adult; Female; Humans; Pregnancy; Pregnancy Complications; Pregnancy Trimester, Third; Pyridoxic Acid; Pyridoxine; Socioeconomic Factors; Tryptophan; Vitamin B 6 Deficiency; Xanthurenates	1982
[Methods and their evaluation in estimating the vitamin B6-status in humans. 3. Determination- of 4-pyridoxic acid in urine]. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1982, Volume: 52, Issue:3 Topics: Chromatography, Ion Exchange; Humans; Isonicotinic Acids; Pyridoxic Acid; Pyridoxine; Spectrometry, Fluorescence	1982
[Methods and their evaluation in estimating the vitamin B6-status in humans. 4. 4-PA: reliability of the parameters]. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1982, Volume: 52, Issue:3 Topics: Adult; Age Factors; Evaluation Studies as Topic; Female; Humans; Isonicotinic Acids; Male; Middle Aged; Pyridoxic Acid; Pyridoxine; Reference Values; Sex Factors	1982
Vitamin B-6 metabolism and turnover in the ethanol-fed rat. The Journal of nutrition, 1982, Volume: 112, Issue:4 Topics: Alcoholism; Animals; Body Weight; Brain; Female; Humans; Liver; Male; Organ Size; Organophosphorus Compounds; Pregnancy; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats	1982
B6 vitamer analysis in human plasma by high performance liquid chromatography: a preliminary report. The American journal of clinical nutrition, 1981, Volume: 34, Issue:5 Topics: Chromatography, High Pressure Liquid; Humans; Organophosphorus Compounds; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine	1981
Vitamin B6 status of low-income adolescent and adult pregnant women and the condition of their infants at birth. The American journal of clinical nutrition, 1981, Volume: 34, Issue:9 Topics: Adolescent; Adult; Alanine Transaminase; Apgar Score; Birth Weight; Diet; Erythrocytes; Female; Humans; Infant, Newborn; Pregnancy; Pregnancy in Adolescence; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Socioeconomic Factors	1981
Biochemical evaluation of riboflavin and vitamin B6 status of institutionalized and non-institutionalized elderly in Central Kentucky. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1981, Volume: 51, Issue:3 Topics: Aged; Alanine Transaminase; Clinical Enzyme Tests; Enzyme Activation; Erythrocytes; Female; Glutathione Reductase; Humans; Institutionalization; Kentucky; Male; Middle Aged; Nutritional Physiological Phenomena; Pyridoxic Acid; Pyridoxine; Riboflavin; Riboflavin Deficiency; Vitamin B 6 Deficiency	1981
The metabolism of small doses of vitamin B-6 in men. The Journal of nutrition, 1980, Volume: 110, Issue:2 Topics: Adult; Dose-Response Relationship, Drug; Humans; Male; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Structure-Activity Relationship	1980
Effect of natural oestrogens on tryptophan metabolism: evidence for interference of oestrogens with kynureninase. Scandinavian journal of clinical and laboratory investigation, 1980, Volume: 40, Issue:1 Topics: Aged; Estradiol; Estriol; Estrogens; Female; Humans; Hydrolases; Kynurenine; Menopause; Middle Aged; NAD; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Tryptophan	1980
The excretion of a vitamin B6 metabolite and the probabiliy of recurrence of early breast cancer. European journal of cancer, 1980, Volume: 16, Issue:2 Topics: 3-Hydroxyanthranilic Acid; Adult; Aged; Breast Neoplasms; Female; Humans; Isonicotinic Acids; Mastectomy; Middle Aged; Prognosis; Pyridoxic Acid; Pyridoxine; Recurrence	1980
Vitamin B-6 metabolism in the livers of young adult and senescent mice. Experimental gerontology, 1980, Volume: 15, Issue:5 Topics: Aging; Animals; Liver; Male; Mice; Organophosphorus Compounds; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxamine; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine	1980
Vitamin B-6 metabolism in the blood of young adult and senescent mice. Experimental gerontology, 1980, Volume: 15, Issue:5 Topics: Aging; Animals; Kinetics; Male; Mice; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1980
High-performance liquid chromatographic determination of pyridoxine and congeners in biological fluids of man after high-dose therapy. Journal of chromatography, 1980, Oct-10, Volume: 183, Issue:4 Topics: Chromatography, High Pressure Liquid; Humans; Pyridoxal; Pyridoxic Acid; Pyridoxine	1980
Pyridoxic acid excretion during low vitamin B-6 intake, total fasting, and bed rest. The American journal of clinical nutrition, 1995, Volume: 62, Issue:5 Topics: Adult; Bed Rest; Diet; Fasting; Female; Humans; Male; Muscle, Skeletal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1995
Erythrocyte and plasma B-6 vitamer concentrations of long-term tobacco smokers, chewers, and nonusers. The American journal of clinical nutrition, 1995, Volume: 62, Issue:1 Topics: Adult; Aging; Body Height; Body Weight; Chromatography, High Pressure Liquid; Eating; Erythrocytes; Hematocrit; Humans; Male; Middle Aged; Plants, Toxic; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Smoking; Time Factors; Tobacco, Smokeless	1995
Tissue B-6 vitamer concentrations in rats fed excess vitamin B-6. The Journal of nutrition, 1995, Volume: 125, Issue:9 Topics: Animals; Body Weight; Brain Chemistry; Diet; Dose-Response Relationship, Drug; Eating; Erythrocytes; Female; Kidney; Liver; Muscle, Skeletal; Phosphorylases; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Transaminases	1995
Bioavailability of vitamin B-6 in young and older men. The American journal of clinical nutrition, 1994, Volume: 60, Issue:1 Topics: Adult; Aged; Aging; Alkaline Phosphatase; Aspartate Aminotransferases; Biological Availability; Chromatography, High Pressure Liquid; Erythrocytes; Gas Chromatography-Mass Spectrometry; Humans; Male; Middle Aged; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Vitamin B-6 status of school-aged patients with phenylketonuria. The American journal of clinical nutrition, 1994, Volume: 60, Issue:2 Topics: Adolescent; Alkaline Phosphatase; Child; Diet; Dietary Proteins; Female; Humans; Male; Phenylalanine; Phenylketonurias; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine	1994
Assessment of vitamin B6 status of strength and speedpower athletes. Journal of the American College of Nutrition, 1994, Volume: 13, Issue:1 Topics: Aspartate Aminotransferases; Diet Records; Erythrocytes; Female; Humans; Male; Nutritional Status; Pyridoxic Acid; Pyridoxine; Reference Values; Sports	1994
Vitamin B-6 status indices are lower in pregnant than in nonpregnant women but urinary excretion of 4-pyridoxic acid does not differ. The Journal of nutrition, 1993, Volume: 123, Issue:12 Topics: Adult; Alkaline Phosphatase; Aspartate Aminotransferases; Chromatography, High Pressure Liquid; Erythrocytes; Female; Humans; Pregnancy; Pregnancy Trimester, Third; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Serum Albumin; Spectrophotometry; White People	1993
Vitamin B-6 status of women with a constant intake of vitamin B-6 changes with three levels of dietary protein. The Journal of nutrition, 1996, Volume: 126, Issue:7 Topics: Adult; Alkaline Phosphatase; Creatinine; Dietary Proteins; Female; Humans; Nutritional Requirements; Nutritional Status; Pyridoxic Acid; Pyridoxine; Sex Characteristics; Tryptophan	1996
Measurement of the turnover of glycogen phosphorylase by GC/MS using stable isotope derivatives of pyridoxine (vitamin B6). The Biochemical journal, 1996, Jul-15, Volume: 317 ( Pt 2) Topics: Animals; Body Fluid Compartments; Deuterium; Gas Chromatography-Mass Spectrometry; Kinetics; Mice; Mice, Inbred BALB C; Models, Biological; Muscle, Skeletal; Phosphorylases; Physiology; Pyridoxic Acid; Pyridoxine	1996
Determination of 5-pyridoxic acid, 5-pyridoxic acid lactone, and other vitamin B6 compounds by cation-exchange high-performance liquid chromatography. Methods in enzymology, 1997, Volume: 280 Topics: 4-Butyrolactone; Administration, Oral; Blood Chemical Analysis; Chromatography, High Pressure Liquid; Chromatography, Ion Exchange; Humans; Nicotinic Acids; Pyridines; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Urinalysis	1997
Feeding experiments of pyridoxine derivatives as vitamin B6. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1997, Volume: 67, Issue:6 Topics: Animals; Aspartate Aminotransferases; Biological Availability; Diet; Erythrocytes; Glucosides; Hydrolases; Liver; Lysine; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats; Rats, Wistar; Vitamin B 6 Deficiency; Weight Gain; Xanthurenates	1997
Micronutrient status, with special reference to vitamin B6. European journal of clinical nutrition, 1997, Volume: 51 Suppl 3 Topics: Adult; Aged; Alanine Transaminase; Aspartate Aminotransferases; Erythrocytes; Female; Hand Strength; Homocysteine; Humans; Male; Micronutrients; Middle Aged; Netherlands; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6 Deficiency	1997
Dietary and other determinants of vitamin B6 parameters. European journal of clinical nutrition, 1997, Volume: 51 Suppl 3 Topics: Adult; Aged; Alanine Transaminase; Alkaline Phosphatase; Aspartate Aminotransferases; Diet; Erythrocytes; Female; Homocysteine; Humans; Male; Middle Aged; Netherlands; Nutritional Status; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Serum Albumin; Vitamin B 6 Deficiency	1997
The influence of dietary restriction on vitamin B-6 vitamer distribution and on vitamin B-6 metabolizing enzymes in rats. Journal of the American College of Nutrition, 1999, Volume: 18, Issue:2 Topics: Animals; Body Weight; Brain Chemistry; Food Deprivation; Kidney; Liver; Male; Muscles; Myocardium; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxaminephosphate Oxidase; Pyridoxic Acid; Pyridoxine; Rats; Rats, Sprague-Dawley; Tissue Distribution	1999
Konjac mannan improves the vitamin B-6 status of rats fed a vitamin B-6-deficient diet. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1999, Volume: 69, Issue:2 Topics: Animals; Dietary Fiber; Energy Intake; Feces; Hydrolases; Male; Mannans; Pyridoxic Acid; Pyridoxine; Rats; Rats, Wistar; Vitamin B 6 Deficiency; Weight Gain; Xanthurenates	1999
Vitamin B6 status and requirements in older adults. The British journal of nutrition, 1999, Volume: 81, Issue:3 Topics: Aged; Cardiovascular Diseases; Female; Homocysteine; Humans; Liver; Male; Nutritional Requirements; Nutritional Status; Proteins; Pyridoxic Acid; Pyridoxine; Risk Factors; Vitamin B 6 Deficiency	1999
Plasma pyridoxal phosphate and pyridoxic acid and their relationship to plasma homocysteine in a representative sample of British men and women aged 65 years and over. The British journal of nutrition, 1999, Volume: 81, Issue:3 Topics: Adolescent; Age Factors; Aged; Aged, 80 and over; Analysis of Variance; Child; Child, Preschool; Diet Surveys; Female; Homocysteine; Humans; Linear Models; Male; Nutritional Status; Pyridines; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Seasons; Sex Factors; United Kingdom	1999
Application of the bootstrap procedure provides an alternative to standard statistical procedures in the estimation of the vitamin B-6 requirement. The Journal of nutrition, 1999, Volume: 129, Issue:10 Topics: Adult; Female; Humans; Linear Models; Models, Statistical; Monte Carlo Method; Nutritional Requirements; Pyridoxic Acid; Pyridoxine	1999
North-south differences in some indices of Vitamin B6 nutritional status in older British people. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1999, Volume: 69, Issue:6 Topics: Aged; Alcohol Drinking; Female; Humans; Male; Nutritional Status; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Riboflavin; Risk Factors; Scotland; Smoking; Socioeconomic Factors; United Kingdom; Vitamin B 6 Deficiency; Wales	1999
Vitamin B-6 intakes and plasma B-6 vitamer concentrations of men and women, 19-50 years of age. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2000, Volume: 70, Issue:5 Topics: Adult; Diet Records; Female; Humans; Male; Middle Aged; Nutritional Status; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Sex Factors; White People	2000
A MICROPROCEDURE FOR THE DETERMINATION OF 4-PYRIDOXIC ACID IN URINE. Clinical chemistry, 1964, Volume: 10 Topics: Body Fluids; Chromatography; Humans; Microchemistry; Pyridoxic Acid; Pyridoxine; Research; Urine	1964
URINARY EXCRETION OF PYRIDOXINE AND 4-PYRIDOXIC ACID IN RHEUMATOID ARTHRITIS. Arthritis and rheumatism, 1964, Volume: 7 Topics: Arthritis; Arthritis, Rheumatoid; Chloroquine; Drug Therapy; Geriatrics; Humans; Metabolism; Pyridines; Pyridoxic Acid; Pyridoxine; Urine	1964
[EXCRETION OF XANTHURENIC AND 4-PYRIDOXIC ACIDS IN THE URINE OF NORMAL CHILDREN]. Voprosy okhrany materinstva i detstva, 1964, Volume: 9 Topics: Adolescent; Biomedical Research; Body Fluids; Child; Humans; Infant; Pyridoxic Acid; Pyridoxine; Urine; Xanthurenates	1964
URINARY VITAMIN B6 AND 4-PYRIDOXIC ACID IN HEALTH AND IN VITAMIN B6 DEPENDENCY. Pediatrics, 1965, Volume: 36 Topics: Biological Assay; Child; Chromatography; Humans; Hydrogen-Ion Concentration; Infant; Isonicotinic Acids; Pyridoxic Acid; Pyridoxine; Saccharomyces; Temperature; Urinary Tract; Urine; Vitamin B 6	1965
Vitamin B6 metabolites in idiopathic calcium stone formers: no evidence for a link to hyperoxaluria. Urological research, 2004, Volume: 32, Issue:1 Topics: Adult; Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Cross-Sectional Studies; Humans; Hyperoxaluria; Kidney Calculi; Male; Middle Aged; Oxalates; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6	2004
B-6 vitamers and 4-pyridoxic acid in the plasma, erythrocytes, and urine of postmenopausal women. The American journal of clinical nutrition, 2004, Volume: 80, Issue:4 Topics: Adult; Aging; Erythrocytes; Estradiol; Female; Humans; Middle Aged; Nutritional Status; Postmenopause; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Vitamin B 6	2004
Inhibition of glycosylation processes: the reaction between pyridoxamine and glucose. Chemistry & biodiversity, 2005, Volume: 2, Issue:7 Topics: Glucose; Glycation End Products, Advanced; Glycosylation; Kinetics; Molecular Structure; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine	2005
Vitamin B6 group; urinary excretion of pyridoxal, pyridoxamine, pyridoxine, and 4-pyridoxic acid in human subjects. Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 1949, Volume: 70, Issue:2 Topics: Humans; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Vitamin B 6	1949
Determination of individual vitamin B(6) compounds based on enzymatic conversion to 4-pyridoxolactone. Journal of nutritional science and vitaminology, 2008, Volume: 54, Issue:1 Topics: Alcohol Oxidoreductases; Animals; Capsicum; Chickens; Chromatography, High Pressure Liquid; Food Analysis; Garlic; Glucosides; Hydrochloric Acid; Hydrolysis; Pyridoxic Acid; Pyridoxine; Time Factors; Transaminases; Vitamin B 6; Vitamin B Complex	2008
Pyridoxine-related metabolite concentrations in normal and Down syndrome amniotic fluid. Fetal diagnosis and therapy, 2008, Volume: 23, Issue:4 Topics: Amniotic Fluid; Biomarkers; Case-Control Studies; Down Syndrome; Female; Humans; Kynurenine; Oxalic Acid; Pregnancy; Prenatal Diagnosis; Pyridoxic Acid; Pyridoxine; Retrospective Studies; Xanthurenates	2008
The chemistry of vitamin B6; conversion of pyridoxine to the lactone of 4-pyridoxic acid. Journal of the American Chemical Society, 1948, Volume: 70, Issue:10 Topics: Humans; Lactones; Pyridoxic Acid; Pyridoxine; Vitamin B 6	1948
Development of simultaneous enzymatic assay method for all six individual vitamin B6 forms and pyridoxine-beta-glucoside. Journal of nutritional science and vitaminology, 2010, Volume: 56, Issue:3 Topics: Adult; Analytic Sample Preparation Methods; Chromatography, High Pressure Liquid; Glucosides; Humans; Male; Microchemistry; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Time Factors; Vitamin B 6; Young Adult	2010
Vitamin B6 and the immunity in kidney transplant recipients. Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation, 2013, Volume: 23, Issue:1 Topics: Adolescent; Adult; Aged; Biomarkers; Child; Chromatography, High Pressure Liquid; Female; Humans; Immunity; Interleukin-10; Interleukin-6; Kidney Transplantation; Latent TGF-beta Binding Proteins; Leukocytes, Mononuclear; Male; Middle Aged; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Retrospective Studies; T-Lymphocyte Subsets; Vitamin B 6; Vitamin B 6 Deficiency; Young Adult	2013
Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris. The American journal of clinical nutrition, 2012, Volume: 95, Issue:5 Topics: Aged; Angina, Stable; Biomarkers; C-Reactive Protein; Cross-Sectional Studies; Dietary Supplements; Female; Humans; Inflammation; Kynurenine; Male; Middle Aged; Neopterin; Norway; Oxidative Stress; Pyridoxal; Pyridoxic Acid; Pyridoxine	2012
Vitamin B-6 vitamer levels in plasma and related symptoms in hemodialysis subjects taking low- and high-dose renal multivitamin supplements. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2012, Volume: 82, Issue:2 Topics: Dietary Supplements; Dose-Response Relationship, Drug; Humans; Peripheral Nervous System Diseases; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Renal Dialysis; Vitamin B 6; Vitamins	2012
The intestine plays a substantial role in human vitamin B6 metabolism: a Caco-2 cell model. PloS one, 2013, Volume: 8, Issue:1 Topics: Blotting, Western; Caco-2 Cells; Hep G2 Cells; Humans; In Vitro Techniques; Intestinal Mucosa; Pyridoxal; Pyridoxal Kinase; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Tandem Mass Spectrometry; Vitamin B 6	2013
Contents of all forms of vitamin B6, pyridoxine-β-glucoside and 4-pyridoxic acid in mature milk of Japanese women according to 4-pyridoxolactone-conversion high performance liquid chromatography. Journal of nutritional science and vitaminology, 2013, Volume: 59, Issue:1 Topics: Adult; Animals; Cattle; Chromatography, High Pressure Liquid; Female; Glucosides; Humans; Japan; Milk; Milk, Human; Pyridoxal; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; United States; Vitamin B 6	2013
Decrease in pyridoxal-5'-phosphate concentration and increase in pyridoxal concentration in rat plasma by 4'-O-methylpyridoxine administration. Nutrition research (New York, N.Y.), 2015, Volume: 35, Issue:7 Topics: Animals; Brain; Disease Models, Animal; Foodborne Diseases; gamma-Aminobutyric Acid; Ginkgo biloba; Humans; Male; Pyridoxal; Pyridoxal Kinase; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Rats, Wistar; Seeds; Vitamin B 6 Deficiency; Vitamin B Complex	2015
The value of plasma vitamin B6 profiles in early onset epileptic encephalopathies. Journal of inherited metabolic disease, 2016, Volume: 39, Issue:5 Topics: Adolescent; Adult; Biomarkers; Child; Child, Preschool; Female; Humans; Infant; Infant, Newborn; Male; Metabolism, Inborn Errors; Plasma; Pyridoxal; Pyridoxal Phosphate; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Spasms, Infantile; Vitamin B 6; Young Adult	2016
A 7-day intravenous toxicity study and neurotoxicity assessment of pyridorin in Sprague-Dawley rats. Human & experimental toxicology, 2017, Volume: 36, Issue:7 Topics: Administration, Intravenous; Animals; Female; Male; Neurotoxicity Syndromes; No-Observed-Adverse-Effect Level; Pyridoxal; Pyridoxamine; Pyridoxic Acid; Pyridoxine; Rats, Sprague-Dawley; Toxicity Tests, Subacute; Vitamin B 6	2017
Concentrations of various forms of vitamin B Brain & development, 2019, Volume: 41, Issue:3 Topics: Child, Preschool; Developmental Disabilities; Female; Foodborne Diseases; gamma-Aminobutyric Acid; Ginkgo biloba; Glutamic Acid; Humans; Plant Extracts; Pyridoxic Acid; Pyridoxine; Seeds; Vitamin B 6	2019