486842.fig.005
Figure 5: Content of ginsenosides Rb1, Rb2, Rb3, Rc, Rd, Re, Rg1 and Rg3 and total amount of ginsenosides in commercial ginseng products GC-C, GC-O, GC-H, GC-W, and GC-U, as determined by internal standard and standard addition calibration methods.