Research Article

Pharmacokinetics of Ginsenoside Rb1, Rg3, Rk1, Rg5, F2, and Compound K from Red Ginseng Extract in Healthy Korean Volunteers

Figure 1

The chemical structure and transformation pathway of protopanaxadiol-type ginsenosides; (1) elimination of terminal glucose residue at C-20; (2) elimination of terminal glucoside residue at C-3; (3) dehydration at C-20.