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Molecules 2015, 20(1), 1594-1609; doi:10.3390/molecules20011594

Identification and Quantitative Characterization of PSORI-CM01, a Chinese Medicine Formula for Psoriasis Therapy, by Liquid Chromatography Coupled with an LTQ Orbitrap Mass Spectrometer

1
The Second Clinical College, Guangzhou University of Chinese Medicine, Guangzhou 510000, China
2
Guangdong Provincial Hospital of Chinese Medicine, Guangzhou 510000, China
3
Postdoctoral Programme, Guangzhou University of Chinese Medicine, Guangzhou 510000, China
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 17 December 2014 / Accepted: 12 January 2015 / Published: 19 January 2015
(This article belongs to the Section Natural Products)
View Full-Text   |   Download PDF [777 KB, uploaded 19 January 2015]   |  

Abstract

PSORI-CM01 is a Chinese medicine formula prepared from medicinal herbs and used in China for the treatment of psoriasis. However, the chemical constituents in PSORI-CM01 have not been clarified yet. In order to quickly define the chemical profiles and control the quality of PSORI-CM01 preparations, ultra-high liquid chromatography coupled with electrospray ionization hybrid linear trap quadrupole Orbitrap mass spectrometry (UHPLC-ESI-LTQ/Orbitrap-MS) was applied for simultaneous identification and quantification of multiple constituents. A total of 108 compounds, including organic acids, phenolic acids, flavonoids, and terpenoids, were identified or tentatively deduced on the base of their retention behaviors, MS and MSn data, or by comparing with reference substances and literature data. In addition, an optimized UHPLC-ESI-MS method was established for the quantitative determination of 14 marker compounds in different dosage forms of PSORI-CM01 preparations. The validation of the method, including spike recoveries, linearity, sensitivity (LOQ), precision, and repeatability, was carried out and demonstrated to be satisfied the requirements of quantitative analysis. This is the first report on the comprehensive determination of chemical constituents in PSORI-CM01 preparations by UHPLC-ESI-LTQ/Orbitrap mass spectrometry. The results suggested that the established methods would be a powerful and reliable analytical tool for the characterization of multi-constituents in complex chemical system and quality control of TCM preparations. View Full-Text
Keywords: PSORI-CM01; UHPLC-ESI-LTQ/Orbitrap-MS; identification; quantification; TCM PSORI-CM01; UHPLC-ESI-LTQ/Orbitrap-MS; identification; quantification; TCM
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Chen, S.-D.; Lu, C.-J.; Zhao, R.-Z. Identification and Quantitative Characterization of PSORI-CM01, a Chinese Medicine Formula for Psoriasis Therapy, by Liquid Chromatography Coupled with an LTQ Orbitrap Mass Spectrometer. Molecules 2015, 20, 1594-1609.

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