Characterization and identification of chemical compositions in the extract of Artemisia rupestris L. by liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry
Gu Dongyu; Yang Yi; Abdulla Rahima; Aisa Haji Akber; Aisa, HA
2012
发表期刊RAPID COMMUNICATIONS IN MASS SPECTROMETRY
ISSN0951-4198
卷号26期号:1页码:83-100
摘要Liquid chromatography coupled to negative electrospray ionization (ESI) tandem mass spectrometry (MS/MS) employing a time-of-flight tandem mass spectrometer was used in the structural determination of phenolic compounds and sesquiterpenoids occurring in the extract from Artemisia rupestris L. A total of 91 compounds including chlorogenic acid derivatives, flavonoids (aglycone, O-glycosyl, C-glycosyl and C,O-glycosyl), 2-phenoxychromones and guaiane sesquiterpenoids were identified by comparing the retention time and fragmentation behavior with reference standards or according to accurate mass measurement and the characteristic fragmentation at low and high collision energy. Most of these compounds were reported in Artemisia rupestris L. for the first time. Meanwhile, the proposed pathway and the major diagnostic fragmentation of 2-phenoxychromone and rupestonic acid were investigated to trace 2-phenoxychromone and rupestonic acid derivatives in crude plant extracts. According to these rules, we have successfully characterized five potential novel compounds including three 2-phenoxychromones (6-demethoxy-4 '-O-methylcapillarisin-O-hexosylglucuronide, 6-demethoxy-4-O-methylcapillarisin-O-pentosylhexoside and 6-demethoxy-4 '-O-methylcapillarisin-O-deoxyhexosylhexoside) and two sesquiterpenoids (hexosyl-glycurinide-rupestonic acid and hexoside-rupestonic acid).
学科领域Biochemistry & Molecular Biology ; Chemistry ; Spectroscopy
DOI10.1002/rcm.5289
收录类别SCI
WOS记录号WOS:000298917700011
引用统计
被引频次:26[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/1643
专题省部共建新疆特有药用资源利用重点实验室
通讯作者Aisa, HA
作者单位Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Xinjiang Indigenous Med Plants Resource U, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
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Gu Dongyu,Yang Yi,Abdulla Rahima,et al. Characterization and identification of chemical compositions in the extract of Artemisia rupestris L. by liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry[J]. RAPID COMMUNICATIONS IN MASS SPECTROMETRY,2012,26(1):83-100.
APA Gu Dongyu,Yang Yi,Abdulla Rahima,Aisa Haji Akber,&Aisa, HA.(2012).Characterization and identification of chemical compositions in the extract of Artemisia rupestris L. by liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry.RAPID COMMUNICATIONS IN MASS SPECTROMETRY,26(1),83-100.
MLA Gu Dongyu,et al."Characterization and identification of chemical compositions in the extract of Artemisia rupestris L. by liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry".RAPID COMMUNICATIONS IN MASS SPECTROMETRY 26.1(2012):83-100.
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