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Flavonol triglycosides containing galactose in tea.
Authors:A Finger  U H Engelhardt  V Wray
Institution:Institut für Lebensmittelchemie der Technischen Universit?t, Braunschweig, Germany.
Abstract:The isolation and structural elucidation of new quercetin and kaempferol triglycosides from Camellia sinensis is described. Their structures were determined as quercetin and kaempferol 3-glucosyl(1----3) rhamnosyl(1----6)galactosides. The content of quercetin glucosylrhamnosylgalactoside ranged between 0 and 87 mg per 100 g, and that of the kaempferol homologue between 0 and 119 mg per 100 g dry wt.
Keywords:
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