从葫芦科植物罗汉果Siraitia grosvenori根的脂溶性部位，分离并鉴定了2个三萜酸：罗汉果酸甲（siraitic acid A）和罗汉果酸乙（siraitic acid B），为葫芦烷型新化合物。

Two compounds(Ⅲ、Ⅳ)were isolated from the root of Siraitia grosvenori(Swingle)C.Jeffery.According to spectroscopic data and X-ray diffraction analysis,the structures were shown to be new cucurbitane compounds.They were named as siraitic acid A and siraitic acid B.

国家自然科学基金