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Original Article

Plasma Pyridoxal Phosphate in Women Taking Oral Contraceptives since at Least Five Years

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Pages 285-286 | Published online: 18 Jan 2010

References

  • Adams P. W., Wynn V., Folkard J., Seed M. Influence of oral contraceptives, pyridoxin (vitamin B6), and tryptophan on carbohydrate metabolism. Lancet 1976; 1: 759–764
  • Brown R. R., Rose D. P., Leklem J. E., Linksweiler H., Anand R. Urinary 4-pyridoxic acid, plasma pyridoxal phosphate, and erytrocyte aminotransferase levels in oral contraceptive users receiving controlled intakes of vitamin B6. Am J Clin Nutr 1975; 28: 10–19
  • Leklem J. E., Brown R. R., Rose D. P., Linksweiler H., Arend R. A. Metabolism of tryptophan and niacin in oral contraceptive users receiving controlled intakes of vitamin B6. Am J Clin Nutr 1975; 28: 146–156
  • Bossé T., Donald E. The vitamin B6 requirement in oral contraceptive users. Am J Clin Nutr 1979; 32: 1015–1032
  • Hamfelt A. Enzymatic determination of pyridoxal phosphate in plasma by decarboxylation of L-tyrosine-14C (U) and a comparison with the tryptophan load test. Scand J Clin Lab Invest 1967; 20: 1–10

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