2000 other natural products

other natural productsU 0800

20 - 192Oxidation and Epimerization of Epigallocatechin in Banana Fruits.— Oxidation of title compound (I) in banana fruits generates (-)-gallocatechinand an oxidation product, which is the stable form of a key intermediate in theoxidation of flavan-3-ol by a polyphenol oxidase. This mechanism is studied inorder to clarify the oxidative metabolism of flavan-3-ols and proanthocyanidinsin plants. — (TANAKA, TAKASHI; KONDOU, KOUHEI; KOUNO, ISAO;Phytochemistry 53 (2000) 2, 311-316; Sch. Pharm. Sci., Nagasaki Univ.,Bunkyo, Nagasaki 852, Japan; EN)

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