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  • Title: Four new isoflavone triglycosides from Sophora japonica.
    Author: Tang Y, Lou F, Wang J, Zhuang S.
    Journal: J Nat Prod; 2001 Aug; 64(8):1107-10. PubMed ID: 11520241.
    Abstract:
    Four new isoflavone triglycosides, genistein 7-O-beta-D-glucopyranoside-4'-O-[(alpha-L-rhamnopyranosyl)-(1-->2)-beta-D-glucopyranoside] (1), genistein 7-O-beta-D-glucopyranoside-4'-O-[(beta-D-glucopyranosyl)-(1-->2)-beta-D-glucopyranoside] (2), genistein 7-O-alpha-L-rhamnopyranoside-4'-O-[(alpha-L-rhamnopyranosyl)-(1-->2)-beta-D-glucopyranoside] (3), and genistein 7-O-alpha-L-rhamnopyranoside-4'-O-[(beta-D-glucopyranosyl)-(1-->2)-beta-D-glucopyranoside] (4), together with nine known compounds, namely, genistein 7-O-beta-D-glucopyranoside-4'-O-beta-D-glucopyranoside, sophorabioside, prunetin 4'-O-beta-D-glucopyranoside, sophororicoside, genistin, rutin, kaempferol 3-O-beta-rutinoside, quercetin 3-O-beta-D-glucopyranoside, and kaempferol 3-O-beta-D-glucopyranoside, were isolated from the pericarps of Sophora japonica. The structures of 1-4 were determined by spectroscopic methods.
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