中文摘要：

目的：应用ESI-MS-MS技术分析吴茱萸中吲哚喹唑啉类生物碱和吴茱萸内酯的质谱断裂。方法：在正离子模式下,以电喷雾离子源分析吴茱萸中生物碱的一级和二级质谱图。结果：解析了吲哚喹唑啉类生物碱和吴茱萸内酯的二级质谱碎片。结论：获得了吴茱萸中主要活性成分生物碱的质谱断裂特点,为吴茱萸质量标准及其生物碱类化学成分研究提供依据。

英文摘要：

Ojective：To study Mass spectrometry of quinazoline alkaloid and limonin from Fructus Evodiae by an electrospray ionization（ESI） tandem mass spectrometry.Methods：The ESI source was set at the positive ionization mode,and the MS1 and MS2 spectra of quinazoline alkaloid and limonin were acquired.Results：The main fragments of quinazoline alkaloid and limonin from Fructus Evodiae were analyzed.Conclusions：The profiles of fragments will be usefull to set quality criteria and to study chemical composition of Fructus Evodiae.