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American Journal of Clinical Nutrition, Vol 35, 917-924, Copyright © 1982 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Lack of effect of subclinical ascorbic acid deficiency upon antipyrine metabolism in man

DE Holloway, SW Hutton, FJ Peterson and WC Duane

The influence of experimentally induced subclinical ascorbic acid deficiency upon antipyrine metabolism was assessed in five healthy male volunteers maintained in a hospital metabolic ward and fed a controlled diet deficient in ascorbic acid. Antipyrine pharmacokinetic parameters were determined four times during the study: at the end of an initial control period, after 28 and 63 days of depletion, and at the end of a second control period. No differences in antipyrine metabolism were observed despite the fact that the subjects had plasma ascorbate levels indicative of vitamin C deficiency (i.e., plasma levels less than 0.3 mg/dl) for 5 days (28 day-depletion) or 40 days (63 day-depletion). This experiment demonstrates that pronounced ascorbic acid deficiency of relatively short duration does not alter antipyrine metabolism in man.




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Copyright © 1982 by The American Society for Nutrition