Chemical Differentiation and Quantitative Analysis of Different Types of Panax Genus Stem-Leaf Based on a UPLC-Q-Exactive Orbitrap/MS Combined with Multivariate Statistical Analysis Approach

Figure 4

(a) Score plot and (b) loading plot of PCA model based on data of eighteen ginsenoside contents in CGLS, FGLS, and AMGLS. (c) Score plot of PLS-DA model based on data of eighteen ginsenoside contents in CGLS and FGLS. (d) Permutation test, (e) score plot, and (f) loading plot of PLS-DA model based on −ESI full scan MS data (▲, CGLS; ■, FGLS; ◆, AMGLS).

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