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Flavonoid glycosides and saponins from Astragalus shikokianus
S Yahara1, M Kohjyouma, H Kohoda
1Faculty of Pharmaceutical Sciences, Kumamoto University, Japan. yaharas1@gpo.kumamoto-u.ac.jp
Phytochemistry
|March 24, 2000
Abstract:
A new flavonol glycoside, kaempferol 3-O-alpha-L-rhamnopyranosyl -(1-->6)-[alpha-L-rhamnopyranosyl-(1-->2)]-beta-D-galactopyranosyl-7-O-a lpha-L-rhamnopyranoside, named astrasikokioside I, was isolated from aerial part of Astragalus shikokianus, together with two flavonol glycosides, kaempferol 3-O-alpha-L-rhamnopyranosyl-(1-->2)-beta-D-galactopyranosyl-7-O-alpha-L- rhamnopyranoside, robinin, and three triterpenoid glycosides, soyasaponin I, sophoraflavoside II and robinioside E.