Spirostane Steroidal Saponins from the Undergroud Parts of Tupistra chinensis

Two new spirostanol saponins, (25S)-spirostane-1β,3β,5β-triol 3-O-β-D-glucopyranoside 1 and rhodeasapogenin 3-O-β-D-glucopyranosyl-(1→4)-β-D-glucopyranoside 2, together with a known saponin, rhodeasapogenin 3-O-β-D-glucopyranoside 3, were isolated from the underground parts of Tupistra chinensis Bak.. Their structures were determined by spectroscopic analysis.

作 者： Guang Xu WU Xiao Yi WEI Wei Xin CHEN   作者單位： Guang Xu WU(Guangdong Key Laboratory for Post-harvest Science of Fruits and Vegetables, South China Agriculture University, Guangzhou 510642;College of Life Science, Yangtze University, Jinzhou 434023)

Xiao Yi WEI(South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650)

Wei Xin CHEN(Guangdong Key Laboratory for Post-harvest Science of Fruits and Vegetables, South China Agriculture University, Guangzhou 510642) 

刊 名： 中國化學快報（英文版）  ISTIC SCI 英文刊名： CHINESE CHEMICAL LETTERS  年，卷(期)： 2005 16(7)  分類號： O6  關鍵詞： Tupistra chinensis Bak.   Liliaceae   steroidal saponins   (25S)-spirostane-1β   3β   5β-triol 3-O-β-D-glucopyranoside   rhodeasapogenin 3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranoside  

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