Profiling and multivariate statistical analysis of Panax ginseng based on ultra-high-performance liquid chromatography coupled with quadrupole-time-of-flight mass spectrometry

- UHPLC-Q-TOF-MS method was developed for structural analysis of ginsenosides.
- The aglycone types of ginsenosides were recognized for structural analysis.
- UHPLC-Q-TOF-MS-based method was applied for global analysis of ginseng.
- The chemical markers present in processing were identified.
- Process-mediated chemical changes were recognized.