【Abstract】 To identify and compare the main peaks of HPLC-APCI-MS FP of the diterpenoids in Pteris semipinnata collected from different region and time, a quadrupole mass spectrometer coupled with atmospheric pressure chemical ionization interface was employed as a detector for HPLC to establish total ion chromatography.HPLC retention time and MS spectrum were used to identify comprehensively.4F,5F and 6F were identified from the chromatography comparing with their standards.The saturated state of 6F and g... 更多还原 【关键词】 高效液相色谱质谱联用; 半边旗; 二萜类化合物; 鉴定; 【Key words】 HPLC-APCI-MS; Pteris semipinnata; Diterpenoids; Identify;