Studies on Constituents of Medicinal Plants. XI. Constituents of the Roots of Astilbe Thunbergii MIQUEL var. congests H. BOISSIEU

Abstract

A new triterpene named astilbic acid (I) has been isolated from the roots of Astilbe Thunbergii var. congests H. BOISSIEU (Saxifragaceae) in addition to β-peltoboykinolic acid and the structure of astilbic acid has now been established as 3β, 6β-dihydroxyolean-12-en-27-oic acid on the basis of chemical and physicochemical evidences.