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从平贝母(Fritillaria ussuriensis Maxim)地上茎叶中分离到一种新的甾体皂甙,经红外光谱、质谱、核磁共振和制备衍生物的分析证明为24α-羟基署蓣皂甙元-3-O-α-L-鼠李吡喃糖(1—→2)-β-D-葡萄吡喃糖甙,命名为平贝皂甙。
A new steroidal saponin was isolated from the shoots and leaves of Fritillaria ussuriensis Maxim. It was proved to be 24α-hydroxysteroidal saponin-3-O by infrared spectroscopy, mass spectrometry, nuclear magnetic resonance and the analysis of the prepared derivatives. -α-L-rhamopyranose (1→→2)-β-D-pyranopyranose, designated Pingbei Saponin.