【Abstract】 A new saponin,3-O-{[β-D-glucopyranos yl (1→2)]-[β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl}hederag enin 28-O-β-D-glucopyranosyl ester(congmunoside Ⅶ),was isolated fr om the root bark of Aralia elata(Miq.)Seem.Its structure was determined on t he basis of chemical and spectroscopic methods.更多还原