Triterpene Saponins from Four Species of
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Anne-Claire Mitaine-Offer; Tomofumi Miyamoto; Claire Jolly; ClΓ©ment Delaude; Mar
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Article
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2005
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John Wiley and Sons
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German
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## Abstract Twelve triterpene saponins were isolated by successive MPLC over silica gel from four species of Polygalaceae: From __Polygala ruwenzoriensis__, five new saponins **1**β**5** of which **1**β**4** as two pairs of (__E__)/(__Z__)βisomers, together with the four known compounds tenuifoline