Chemical Fingerprint Analysis for Discovering Markers and Identifying Saussurea involucrata by HPLC Coupled with OPLS-DA

Figure 4

The S plots (1) and VIP (2) for classification of the Saussurea involucrata and adulterants (A), Saussurea involucrata and Saussurea orgaadayi (B), and haplotypes I and II of Saussurea involucrata (C). The data were generated using common patterns of the median.