Fig. 2From: Application of a strategy based on metabolomics guided promoting blood circulation bioactivity compounds screening of vinegarMultivariate statistical analysis of RV and WV. a PCA score plots of two different kinds of vinegar; b OPLS-DA of two different kinds of vinegar; c variable important (VIP) plot of OPLA-DA model between two different kinds of vinegar; d VIP plot of two different kinds of vinegarBack to article page