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Identification and mass spectrometric characterization of isomeric isoflavone aglycones by ESI-IT-TOF mass spectrometry
Hui, Li2; Le-Ren, Wan1; Hong, Wang2; Yuki, Hashi1; Shi-Zhong, Chen2
关键词7-methoxy-4&prime -hydroxy isoflavone formononetin isomeric compound mass spectrometric characteristics of isoflavones ion trap/time-of-flight mass spectrometer
刊名CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
2007-12-10
28期:12页:2284-2289
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]ROOT EXTRACTS ; DIFFERENTIATION ; FLAVONOIDS ; LUPIN
英文摘要

A mass spectrometric method based on the combined with electrospray ionization/ion trap/time-of-flight(EST-IT-TOF) mass spectrometer was used for systematic research of 7-methoxy-4′-hydroxy isoflavone and formononetin. MS5 spectra both in positive and negative ion modes with a high resolution were obtained. Different product ions were observed in positive ion mode, while almost the same product ions were observed in negative ion mode. With the high selectivity of parent ions and precise formulae of each fragment, fragmentation mechanisms were proposed with a high reliability. The established method could be used for the sensitive and rapid identification of isoflavonoids.

语种中文
WOS记录号WOS:000251953400013
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/61076
专题北京大学药学院
作者单位1.Shimadzu Int Trading Shanghai Co Ltd, Beijing Off, Beijing 100020, Peoples R China
2.Peking Univ, Sch Pharmaceut Sci, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Hui, Li,Le-Ren, Wan,Hong, Wang,et al. Identification and mass spectrometric characterization of isomeric isoflavone aglycones by ESI-IT-TOF mass spectrometry[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2007,28(12):2284-2289.
APA Hui, Li,Le-Ren, Wan,Hong, Wang,Yuki, Hashi,&Shi-Zhong, Chen.(2007).Identification and mass spectrometric characterization of isomeric isoflavone aglycones by ESI-IT-TOF mass spectrometry.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,28(12),2284-2289.
MLA Hui, Li,et al."Identification and mass spectrometric characterization of isomeric isoflavone aglycones by ESI-IT-TOF mass spectrometry".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 28.12(2007):2284-2289.
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