Figure 1

PCA score plots of myocardium samples collected from different treatment groups of rats based on UPLC-Q/TOF MS in positive mode ((A) R2X = 0.766, Q2 (cum) = 0.452) and in negative mode ((B) R2X = 0.531, Q2 (cum) = 0.709); PCA score plots of myocardium samples collected from different treatment groups of rats based on 1H NMR (C, R2X = 0.955, Q2 (cum) = 0.746). (C) Control Group, (M), Model Group, (P), Positive Group, (XKS) XKS Group.