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  • Title: Two flavonol glycosides from seeds of Camellia sinensis.
    Author: Sekine T, Arita J, Yamaguchi A, Saito K, Okonogi S, Morisaki N, Iwasaki S, Murakoshi I.
    Journal: Phytochemistry; 1991; 30(3):991-5. PubMed ID: 1368184.
    Abstract:
    Two novel flavonol triglycosides, camelliaside A and B, have been isolated from seeds of Camellia sinensis. The structures were determined to be kaempferol 3-O-[2-O-beta-D- galactopyranosyl-6-O-alpha-L-rhamnopyranosyl]-beta-D-glucopyranoside and kaempferol 3-O-[2-O-beta- D-xylopyranosyl-6-O-alpha-L-rhamnopyranosyl]-beta-D-glucopyranoside on the basis of spectroscopic, chemical and enzymatic studies. These types of interglycosidic linkages, Gal(1----2)[Rha(1----6)]Glc and Xyl(1----2)[Rha(1----6)]Glc, have not been reported previously in flavone and flavonol glycosides.
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