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从丝瓜（Ｌｕｆｆａｃｙｌｉｎｄｒｉｃａ（Ｌ．）Ｍ．Ｒｏｅｍ．）叶中分得一种新的五环三萜皂苷和芹菜素，用光谱学和化学方法确定该皂苷的结构为２１β羟基齐墩果酸２８ＯβＤ吡喃葡萄糖苷，命名为丝瓜皂苷Ｑ。
A new pentacyclic triterpenoid saponin and apigenin were isolated from the leaves of Luffacylindrica (L.) M. Roem. The structure of the saponin was identified by spectroscopy and chemical methods as 21β-hydroxy oleanolic acid 28 O β D-glucopyranoside, named sponge gourd Q.