Fig. 5

Score plot and loading plot of TOF–MS data. a Score plot of 4 species of Qinjiao; b loading plot of OPLS-DA model; c OPLS-DA score plot of G. crassicaulis and G. dahurica species; d S-plot of G. crassicaulis and G. dahurica species
Score plot and loading plot of TOF–MS data. a Score plot of 4 species of Qinjiao; b loading plot of OPLS-DA model; c OPLS-DA score plot of G. crassicaulis and G. dahurica species; d S-plot of G. crassicaulis and G. dahurica species