Analysis of Chemical Constituents in Male Flowers of Eucommia ulmoides by Liquid Chromatography Coupled with  Electrospray Ionization-Triple Quadrupole-Time of Flight-Tandem Mass Spectrometry (LC-ESI-Triple TOF-MS/MS)

doi:10.7506/spkx1002-6630-201806034

Abstract

Abstract: The chemical constituents in male flowers of Eucommia ulmoides were analyzed by liquid chromatography coupled with electrospray ionization-triple quadrupole-time of flight-tandem mass spectrometry (LC-ESI-Triple TOF-MS/MS). The separation and analysis were carried out on a reversed-phase C18 column with gradient elution using 0.1% formic acid (A)-acetonitrile (B) under the negative ionization mode of ESI. According to the accurate mass of quasi-molecular and product ions provided by Triple TOF-MS/MS, a total of 32 constituents were identified or tentatively presumed by comparing with reference standards and literature data, including 2 lignans, 9 iridoids, 8 penylpropanoids, 12 flavonoids and one phenolic glycoside. This study may provide basic information for further research?on the pharmacodynamic material basis and intensive utilization of male flowers of Eucommia ulmoides.

Key words: male flowers of Eucommia ulmoides, liquid chromatography coupled with electrospray ionization-triple quadrupole-time of flight-tandem mass spectrometry, chemical constituents

CLC Number:

YAN Ying, ZHAO Hui, ZOU Lisi, LIU Xunhong, CHAI Chuan, WANG Shengnan, HUA Yujiao. Analysis of Chemical Constituents in Male Flowers of Eucommia ulmoides by Liquid Chromatography Coupled with Electrospray Ionization-Triple Quadrupole-Time of Flight-Tandem Mass Spectrometry (LC-ESI-Triple TOF-MS/MS)[J]. FOOD SCIENCE, 2018, 39(6): 215-221.

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Analysis of Chemical Constituents in Male Flowers of Eucommia ulmoides by Liquid Chromatography Coupled with Electrospray Ionization-Triple Quadrupole-Time of Flight-Tandem Mass Spectrometry (LC-ESI-Triple TOF-MS/MS)

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