从葫芦科植物罗汉果Siraitiagrosvenori（Swingle）C．Jeffery根的脂溶性部位，分离并鉴定另2个新的葫芦烷型失碳三萜酸罗汉果酸丙（siraiticacidC）和罗汉果酸丁（siraiticacidD）。

Two compounds were isolated from the root of Siraitia grosvenori (Swingle) C. Jeffery.According to spectroscopic data and X-ray diffraction analysis,their structures were shown to be two new nor-cucurbitane triterpenoids. They were named as siraitic acid C and siraitic acid D.

国家自然科学基金