H. Miyao et al., TRITERPENE SAPONINS FROM ABRUS-CANTONIENSIS (LEGUMINOSAE) .1. ISOLATION AND CHARACTERIZATION OF 4 NEW SAPONINS AND A NEW SAPOGENOL, Chemical and Pharmaceutical Bulletin, 44(6), 1996, pp. 1222-1227
From Abri Herba, the whole plant of Abrus cantoniensis (Leguminosae),
ten new oleanene saponins together with thirteen known ones were isola
ted. Among them, four saponins called abrisaponins L, A. D-1 and Ca ha
ve been elucidated to be galactopyranosyl-(1-->2)-beta-D-glucuronopyra
nosyl (designated as beta-fabatriosyl) abrisapogenol L (1), 3-O-beta-f
abatriosyl abrisapogenol A (2), 3-O-beta-fabatriosyl abrisapogenol D(3
), and 3-O-beta-fabatriosyl cantoniensistriol (4), respectively.