Determination of Chemical Composition in Extract of Ligusticum Chuanxiong by Liquid Chromatography-Electrospray Ionization Mass Spectrometry

Objective To analyze and identify the chemical composition of Chuanxiong crude extracts by LC-ESI-MS.Methods The analysis was proceessed by means of a reversed phase C18 column and a binary mobile phase system consisting of 0.5% acetic acid and acetonitrile under gradient conditions,with PDA and ESI-MS online detection at the same time.Results Thirteen major peaks were separated and detected,main chemical components were phenolic acid components...