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2000 lakes, pigments
lakes, pigmentsT 1900
46 - 193Theanaphthoquinone, a Novel Pigment Oxidatively Derived fromTheaflavin During Tea-Fermentation. — Treatment of a mixture ofepicatechin (I) and epigallocatechin (II) with extracts of fresh tea leaf or bananafruit generated the title dark yellow pigment (III). — (TANAKA, TAKASHI;BETSUMIYA, YAYOI; MINE, CHIE; KOUNO, ISAO; Chem. Commun.(Cambridge) (2000) 15, 1365-1366; Sch. Pharm. Sci., Nagasaki Univ., Bunkyo,Nagasaki 852, Japan; EN)
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