芦丁的电喷雾离子阱质谱分析  

Analysis of rutin by electrospray iontrap mass spectrometry

作　　者：李自红[1] 魏悦[1] 范毅[1] 朱杰[1] 赵天增[1] 

机构地区：[1]河南省生物技术开发中心,郑州450002

出　　处：《分析试验室》2015年第2期186-189,共4页Chinese Journal of Analysis Laboratory

基　　金：河南省科技攻关计划项目(132201110029;132102313106)资助

摘　　要：研究了芦丁在电喷雾离子阱质谱(ESI-MS)下的主要特征碎片离子及其裂解规律。应用电喷雾离子阱质谱技术研究芦丁的结构和正、负离子扫描条件下芦丁的主要特征碎片离子及其裂解规律。芦丁在正、负离子模式下均可得到较好的质谱信息,在正离子模式下,容易与Na+形成[M+Na]+的准分子离子,并裂解形成碎片m/z 605,487,331,325,313,185等,在负离子模式下,形成[M-H]-的准分子离子,并进一步碎裂形成碎片m/z 301,283,257,255,229,227,211等。分别阐明了芦丁在正、负离子模式下的电喷雾质谱碎裂规律,并对主要特征碎片离子进行归属,为进一步芦丁的结构优化和修饰提供了有价值的依据。To analyse the fragmentation pathway of rutin by electrospray ion trap mass spectrometry（ ESI-MS）.Positive and negative electrospray ion trap mass spectrometry was used to research the chemical structure and MS / MS fragmentation pathway of rutin. Rutin has good mass spectrum information in positive and negative ion modes. In the positive ion mode,with Na＋metal ions,Rutin forms [M ＋ Na]＋molecular ion. [M ＋ Na]＋molecular ion is further fragmented to form m / z 605,487,331,325,313,185,etc. In the negative ion mode,rutin forms [M- H]-molecular ion. Molecular ion is further fragmented to form m / z 301,283,257,255,229,227,211,etc. This study illustrates cataclastic rule and the main characteristic fragment ions of the rutin in positive and negative ion modes. These results provide the very important information for the structural modification of rutin.

关 键 词：芦丁 电喷雾离子阱质谱(ESI-MS) 裂解途径 正负离子 结构 

分 类 号：O657.63[理学—分析化学]