| TCM | Traditional Chinese medicine; |
| S-Saponins | S. officinalis Saponins; |
| S. officinalis. | Sanguisorba officinalis L.; |
| Sraw | Sanguisorba officinalis L. saponins raw; |
| Sprocessed | Sanguisorba officinalis L. saponins processed; |
| UPLC-MS/MS | ultra-performance liquid chromatography–tandem mass spectrometry; |
| PCA | principal component analysis; |
| OPLS-DA | orthogonal partial least squares-discriminant analysis; |
| VIP | variable importance in projection |