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Issue 7, 2014
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A multiplex approach for the UPLC-PDA-MS/MS data: analysis of licorice

Min He,*a  Hui-Ying Lv,c  Ya-Ping Li,d  Carlos Miguel Vicente Gonçalves,b  Nai-Ping Dong,b  Lang-Sheng Pan,a  Ping-Le Liua  and  Yi-Zeng Liang*b 
Author affiliations

* Corresponding authors

a Department of Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, P.R. China
E-mail: dahai8214813@gmail.com
Fax: +86 731 58298172

b Research Center of Modernization of Chinese Medicines, Central South University, Changsha 410083, P.R. China
E-mail: yizeng_liang@263.net

c Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, P.R. China

d Department of Neurology, Xiangtan Central Hospital, Xiangtan 411100, P.R. China

Abstract

Ultra-performance liquid chromatography (UPLC) coupled to photodiode array detection (PDA) and electrospray ionization (ESI) tandem mass spectrometry (MS) methods was developed to separate and characterize the chemical components in licorice. Pure ultraviolet (UV) spectra were extracted using chemometric methods, and pure mass spectra were obtained using rankmap analysis. After the acquirement of the pure mass spectra, the isotopic structure peaks of molecular ions were optimized using Origin software, which could provide some help for the qualitative analysis. Pure mass spectra could also provide the correct parent ion for further tandem MS analysis. Finally, sixty compounds were identified.

Graphical abstract: A multiplex approach for the UPLC-PDA-MS/MS data: analysis of licorice

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Publication details

The article was received on 24 Oct 2013, accepted on 07 Jan 2014 and first published on 09 Jan 2014


Article type: Paper
DOI: 10.1039/C3AY41861H
Citation: Anal. Methods, 2014,6, 2239-2246
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    A multiplex approach for the UPLC-PDA-MS/MS data: analysis of licorice

    M. He, H. Lv, Y. Li, C. M. Vicente Gonçalves, N. Dong, L. Pan, P. Liu and Y. Liang, Anal. Methods, 2014, 6, 2239
    DOI: 10.1039/C3AY41861H

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