著者所属:Faculty of Pharmaceutical Sciences, University of Tokyo Faculty of Pharmaceutical Sciences, University of Tokyo(Present address) : Tohoku Gollege of Pharmacy Faculty of Pharmaceutical Sciences, University of Tokyo
It has been proved that the prosapogenin obtained from ginsenosides-Rb1, -Rb2, and -Rc (ginseng saponins) by the partial hydrolysis with hot aqueous acetic acid is formulated as II.