The-rootand aerial parts of Rosa taiwanensis Nakai contain the chemical constituents phenols, unsaturated acids, Ioliolide, abscisic acid, flavones, sterols, lupeol, betulin, betulinic acid, oleanolic acid and ursolie acid derivatives, Among them, 2a,3a-dihydroxyurs-12,19-dien-28-oic acid and its C-3 epimer are new compounds.
ACKNOWLEDGMENTWe thank the National Science Council of the Republic of China for financial support.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.