Fig. 6From: Metabolomics profiling of Polygoni Multiflori Radix and Polygoni Multiflori Radix Preparata extracts using UPLC-Q/TOF-MSNontargeted metabolomic analysis of the plasma from rats in positive mode between PMR (yellow point) and PMRP (red point) group. a PCA score plot, b OPLS-DA score plot, c permutation test of OPLS-DA model, and d S-plot of the OPLS-DABack to article page