LC-MS/MS technique for the herbal compounds analysis of HL
The chromatographic profile of freeze-dried powder of HL was assessed by an ExionLC™ chromatographic system couple with a TripleTOF™ 5600+ Q-TOF mass spectrometer (AB SCIEX, USA). Herbal compounds were identified by Progenesis QI software (version: 2.4, Waters, MA, USA) based on the integrated MS/MS databases derived from NIST and METLIN.