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  • Title: A new triterpenoid saponin from the stem of Akebia trifoliata var. australis.
    Author: Gao HM, Wang ZM, Wang WH.
    Journal: J Asian Nat Prod Res; 2009 Dec; 11(12):1013-8. PubMed ID: 20183270.
    Abstract:
    A new triterpene glycoside mutongsaponin F (1), together with five known saponins and two known lipids, was isolated from the 70% ethanol extract of the stems of Akebia trifoliata (Thunb.) Koidz. var. australis (Diels) Rehd. Their structures were elucidated on the basis of the spectroscopic analysis and physicochemical properties as 3-beta-[(beta-D-glucopyranosyl-(1-->2)-O-[beta-D-glucopyranosyl-(1-->3)-O-]-alpha-L-arabinopyranosyl)oxy]-30-norolean-12-en-28-oic acid alpha-L-rhamnopyranosyl-(1-->4)-O-beta-D-glucopyranosyl-(1-->6)-O-beta-D-glucopyranosyl ester (1), 3-beta-[(beta-D-glucopyranosyl-(1-->2)-O-[beta-D-glucopyranosyl-(1-->3)-O-]-alpha-L-arabinopyranosyl)oxy]-30-norolean-12-en-28-oic acid (2), leonticin E (3), collinsonidin (4), arjunolic acid 28-O-glucopyranoside (5), asiatic acid 28-O-glucopyranoside (6), soya-cerebroside I (7), and 1-O-alpha-L-galactosyl-(1-->6)-O-beta-D-galactosyl-3-O-hexadecanoyl-glycerol (8), respectively.
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