1965•Agricultural and Biological ChemistryRequires access

Metabolism of Gallic Acid and Tea Catechin by Rabbit

Akira Watanabe, Yasuyoshi Oshima

Abstract

Metabolism of gallic acid in the rabbit has been studied. Orally administered gallic acid was excreted mostly unchanged and partially as pyrogallol and 4-methoxy-3,5-dihydroxybenzoic acid in the urine. Conjugates could hardly be found. Moreover, evidently by administration of gallic acid three phenolic acids in the urinary excretion were diminished compared with that of fed on the control diet. Effect of tea catechin was also studied.

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Key concepts: Gallic acid, Pyrogallol, Chemistry, Catechin, Metabolism, Urine, Excretion, Polyphenol