Saponins in the genus Panax L. (Araliaceae): A systematic review of their chemical diversity

At least 289 saponins have been isolated from the Panax genus to the end of 2012. P. ginseng, P. quinquefolius, and P. notoginseng were mostly studied, and protopanaxadiol (PPD), protopanaxatriol (PPT), octillol (OT), and oleanolic acid (OA) type saponins are the four most common subtypes.116