... the most active constituents, Such as Ro, Ra, Rb1, Rb2, Rd, Re, Rf, Rg1, Rg2.Benefits of Ginseng P.E.:Chemical compositionGinseng ... the most active constituents, Such as Ro, Ra, Rb1, Rb2, Rd, Re, Rf, Rg1, Rg2.Benefits of Ginseng P.E.:1. The ...