Studies on Constituents of Medicinal Plants. XIII. Constituents of the Pericarps of the Capsules of Euscaphis japonica PAX. (I)

Abstract

From the pericarps of the capsules of Euscaphis japonica PAX., oleanolic, pomolic, tormentic acids and a new triterpene acid, named euscaphic acid were isolated and the structure of euscaphic acid was elucidated to be 2α, 3α, 19α-trihydroxyurs-12-en-28-oic acid by chemical and spectral evidences.