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Triterpenoids from Acaena pinnatifida R. et P
S Valcic1, G A Wächter, G Montenegro
1Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson 85721, USA.
Abstract:
Eight urs-12-ene triterpenoids, beta-sitosterol, (+)-catechin, and apigenin 7-O-glucoside were isolated from the leaves of Acaena pinnatifida R. et P. The triterpenoids were characterized as pomolic acid, pomolic acid-3-acetate, tormentic acid, 2-epi-tormentic acid, euscaphic acid, tormentic acid glucoside, niga-ichigoside F1, and niga-ichigoside F2.