Ocotillone—type Ginsenoside from Leaves of Pannax ginseng

摘要

An ocotillone-type ginsenoside,together with 2 known ginsenosids was isolated from leaves of Panax ginseng and identifed as psudoginsenoside-RT5 on the basis of chemical and physicohemical evidences.It has been so far the first example of ocotillone-type ginsenoside disicovered in Panax giunseng and its plausible biotransforrnation athway also discussed.