科研之友
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摘要
Seven compounds (1-7) were isolated from n-hexane and EtOAc-soluble fractions of the roots of Erigeron annuus by repeated silica gel column chromatography. They were identified as simiarenol (1), beta-sitosterol (2), daidzein (3), apigenin (4), apigenin 7-O-beta-D-glucuronide (5), 3-hydroxy-pyran-4-one (6), and beta-sitosterol glucoside (7) on the basis of physical and spectroscopic data. Compounds 1 and 3 were isolated for the first time from the Erigeron species.
- 出版日期2008-12
