J Integr Plant Biol. ›› 1997, Vol. 39 ›› Issue (8): -.

• Research Articles •    

Isoflavones from Astragalus membranaceus

Song Chun-qing, Zheng Zhi-ren, Liu Di, Hu Zhi-bi and Sheng Wan-yun   

Abstract: Two new isoflavones (8, 3'-dihydroxy-7,4'-dimethoxyisoflavone, odomtin-7-O-β-D-glu-copyranoside) and four known isoflavones (formononetin, 7,3' -dihydroxy-8,4'-dimethoxyisoflavone, ealyeosin, ealycosin-7-O-β-D-glucopyranoside) were isolated from the roots of Astragalus merebtm (Fiseh.) Bunge. Their structures were established by spectral analysis.

Key words: Astragalus membranaceus, isoflavones, 8,3'-dihydroxy-7,4'-dimethoxyisoflavone, odomtin-7-O-β-D-glueopyranoside

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