首次从云南琵琶甲Balaps japanensis yunnanenses Mars.的脂溶性提取物中分得 5个化合物，分别鉴定为 4一乙基一1,3一苯二醇（4-ethyl-1,3-benze-nediol, I）,13一丙基二十五烷（13-propyl-pentacosane, Ⅱ）,胆甾醇（chdesterol, Ⅲ）,油酸（oleicacid, Ⅳ）和亚油酸（linoleicacid,Ⅴ）,经抗菌活性实验，结果表明化合物Ⅰ具有抗菌活性。

Five compounds were isolated from Balaps japanensis yunnanenses Mars., a folk medicinal insect in Yunnan province of China. They were identified as 4－ethyl－1，3－benze－nediol(Ｉ), 13－propyl－pentacosane(Ⅱ), cholesterol (Ⅲ)，oleic acid(Ⅳ)and linoleic acid(V). Pharmacological screening showed that I has antibacterial activity.

国家自然科学基金(39760078)