カツオ由来ナイアシン高濃度含有パウダーのナイアシンとしての生物有効性

概要

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The bioavailability of niacin in bonito powder high in nicotinamide content was investigated in female college students. They were given a semi-purified diet based on the Japanese Dietary Reference Intakes for 4 days. On days 1, 2, they were given only the required diet for obtaining controlled urinary excretion of the nicotinamide metabolites. On day 3, 15 g of the bonito powder (5 g of the powder after each meal) containing 51 mg of nicotinamide was administered. The urinary excretion of the nicotinamide metabolites was significantly increased, with 52% being excreted on day 3. On day 4, they were given only the required diet, however, the urinary excretion of the nicotinamide metabolites was still higher than the scores for days 1 and 2. These findings indicate that the bioavailability of nicotinamide in the bonito powder was high and provided an excellent source of niacin.
社団法人日本家政学会の論文
2005-04-15