| AFI | Aurantii Fructus Immaturus |
| BR | Bupleuri Radix |
| GRM | Glycyrrhizae Radix et Rhizoma Praeparata Cum Melle |
| PRA | Paeoniae Radix Alba; SNS, Sinisan |
| SS | saikosaponin |
| TCM | traditional Chinese medicine |
| UHPLC-Q-TOF/MS | ultrahigh performance liquid chromatography coupled with electrospray ionization tandem quadrupole-time-of-flight mass spectrometry |
| VPBR | vinegar-processed Bupleuri Radix |
| VPPRA | vinegar-processed Paeoniae Radix Alba |
| PCA | principal component analysis |
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