Separation and identification of compounds in Adinandra nitida by comprehensive two-dimensional liquid chromatography coupled to atmospheric pressure chemical ionization source ion trap tandem mass spectrometry |
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Authors: | Jie Zhang Dingyin Tao Jicheng Duan Zhen Liang Weibing Zhang Lihua Zhang Yushu Huo Yukui Zhang |
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Institution: | (1) National Chromatographic Research & Analysis Center, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, People’s Republic of China;(2) Health Science Center at San Antonio, The University of Texas, 78229-3900 San Antonio, TX, USA |
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Abstract: | A comprehensive two-dimensional liquid chromatographic (2D-LC) separation system based on the combination of a CN column and
a Merck Chromolith Flash reversed-phase column was developed for the separation of components in Adinandra nitida, one type of traditional Chinese medicine (TCM). The two dimensions were connected by a ten-port, dual-position valve controlled
automatically by software written in-house. The effluents were detected by both ultraviolet and atmospheric pressure chemical
ionization source ion trap tandem mass spectrometry (MS). The calculated peak capacity of the 2D-LC–MS/MS system was above
1240. More than 57 components were resolved in the methanol extract from Adinandra nitida leaves, and five of these were identified based on their relative retention times, molecular weights and MS/MS spectra. |
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Keywords: | Comprehensive two-dimensional liquid chromatography Traditional Chinese medicine Adinandra nitida Mass spectrometer Monolithic column |
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