Objective: To study ginkgo terpene lactones in Ginkgo biloba L. leaves. Method: Analysis of ginkgo sample was done by high performance liquid chromatography (HPLC) - electrospray ionization (ESI) - mass spectrometer (MS).

• 目的:用高效液相色谱-电喷雾电离-质谱(HPLC-ESI-MS)法对银杏叶中银杏萜内酯进行分析。 方法:利用LC-ESI-MS法对银杏叶样品进行了初步研究。