New furostanol saponins from Allium asca
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Li-Ping Kang; Zhi-Jun Liu; Lei Zhang; Da-Wei Tan; Yang Zhao; Yu Zhao; He-Bing Ch
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Article
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2007
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John Wiley and Sons
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English
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## Abstract An analysis of the polar extracts from __Allium ascalonicum__ L. led to the isolation of two new furostanol saponins (compound 1 and 2) and two known furostanol saponins (compound 3 and 4). On the basis of 1D and 2D NMR (including ^1^H, ^13^C NMR, ^1^H๏ฃฟ^1^H COSY, HSQC, TOCSY, HMBC, and