Screening of Steroidal Saponins from the Bulbs of Lilium Brownii var. Colchesteri by Combination of High Performance Liquid Chromatography-Electrospray Ionization Mass Spectrometry and Electron Impact Mass Spectrometry

• 液相色谱-电喷雾电离质谱与电子轰击质谱联用筛选百合中的甾体皂甙