Chemical Components of Mongolian Spirala (Spiraca mongolica) / 中草药

ABSTRACT

Six compouuds were isolated for the fitst time from Spiraca mongolica Maxim. (Rosaceae by means of chemical and spectral analyslsand comparison with data of literature or authentie samples, 5 of them were identified as ?-sitosterol(Ⅰ), betulin(Ⅱ), betulinic acid (Ⅲ),betuliuic acid 3, 5-dihydroxyl-cinuamate(Ⅳ) and daucosterol(Ⅵ).