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. Author manuscript; available in PMC: 2010 Mar 25.
Published in final edited form as: J Agric Food Chem. 2009 Mar 25;57(6):2363–2367. doi: 10.1021/jf803320d

Figure 4.

Figure 4

Principal component analysis (PCA) plots with (A) principal components 1 and 2 and (B) principal components 1 and 3, using contents of 12 saponins as input data. The 12 saponins are notoginsenoside R1, ginsenosides Rg1, Re, Rh1, Rg2, 20R-Rg2, Rb1, Rc, Rb2, Rb3, Rd and Rg3. The group numbers of Panax extracts are listed in Table 1.