Analysis of caffeic acid derivatives from Osmanthus yunnanensis using electrospray ionization quadrupole spectrometry time-of-flight mass
文献类型：期刊论文
| 作者 | Wu, ZJ ; Ma, XL ; Fang, DM ; Qi, HY ; Ren, WJ ; Zhang, GL |
| 刊名 | EUROPEAN JOURNAL OF MASS SPECTROMETRY
 |
| 出版日期 | 2009 |
| 卷号 | 15期号:3页码:415_429 |
| 关键词 | caffeic acid derivatives electrospray quadrupole time-of-flight ammonium chloride fragmentation mechanisms |
| ISSN号 | 1469-0667 |
| 产权排序 | 1 |
| 通讯作者 | Zhang, GL, Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Peoples R China. |
| 中文摘要 | A series of six caffeic acid derivatives [1-6] in Osmanthus yunnanensis were investigated by electrospray quadrupole time-of-flight tandem mass spectrometry (ESI-QToF-MS/MS) in both negative- and positive-ion modes. High-quality MS/MS spectra of [M+H](+) are generated from high-abundance protonated parent ions obtained by addition of ammonium chloride to the solutions. Fragmentation mechanisms of [M-H](-) and [M + H](+) precursor ions were proposed and elemental compositions of most of the product ions were confirmed on the basis of the high-resolution ESI-collision-induced dissociation (CID)-MS/MS spectra. It was found that the fragment ions at m/z 179, m/z 161, m/z 135 and m/z 134 in negative-ion mode and at m/z 163, m/z 145 and m/z 135 in positive mode should be the characteristic ions of caffeic acid. In addition, the radical fragment ions with high abundance were observed for many caffeic acid derivatives especially for 4. The structural elements of unknown compounds 7 and 8 were tentatively identified on based on tandem mass spectra of known ones. |
| 学科主题 | Physics, Atomic, Molecular & Chemical; Spectroscopy |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000266031200006 |
| 公开日期 | 2011-07-08 |
| 源URL | [http://210.75.237.14/handle/351003/18215]  |
| 专题 | 成都生物研究所_天然产物研究 |
| 推荐引用方式 GB/T 7714 | Wu, ZJ,Ma, XL,Fang, DM,et al. Analysis of caffeic acid derivatives from Osmanthus yunnanensis using electrospray ionization quadrupole spectrometry time-of-flight mass[J]. EUROPEAN JOURNAL OF MASS SPECTROMETRY,2009,15(3):415_429. |
| APA | Wu, ZJ,Ma, XL,Fang, DM,Qi, HY,Ren, WJ,&Zhang, GL.(2009).Analysis of caffeic acid derivatives from Osmanthus yunnanensis using electrospray ionization quadrupole spectrometry time-of-flight mass.EUROPEAN JOURNAL OF MASS SPECTROMETRY,15(3),415_429. |
| MLA | Wu, ZJ,et al."Analysis of caffeic acid derivatives from Osmanthus yunnanensis using electrospray ionization quadrupole spectrometry time-of-flight mass".EUROPEAN JOURNAL OF MASS SPECTROMETRY 15.3(2009):415_429. |
入库方式： OAI收割
来源：成都生物研究所
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