Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43011
Title: Determination of volatile components in peptic powder by gas chromatography–mass spectrometry and chemometric resolution
Authors: Gong, F
Liang, YZ
Cui, H
Chau, FT
Chan, BTP
Keywords: Volatile organic compounds
Issue Date: 2001
Publisher: Elsevier
Source: Journal of chromatography A, 2001, v. 909, no. 2, p. 237-247 How to cite?
Journal: Journal of chromatography A 
Abstract: Gas chromatography–mass spectrometry (GC–MS) coupled with chemometric resolution upon two-dimensional data was proposed as a method for the analysis of volatile components in a traditional Chinese medicinal preparation peptic powder which contains Rhizoma Atractylodis, Pericarpium Citri Reticulatae, Cortex Magnoliae Officinalis and Radix Glycyrrhizae. Ninety-three components were separated and 65 of them were qualitatively and quantitatively analyzed which represented about 90.28% of the total content. With the help of chemometric resolution, the data were resolved into a pure chromatogram and a mass spectrum of each chemical component. The accuracy of qualitative and quantitative results was greatly improved by using the two-dimensional comprehensive information of chromatograms and mass spectra. The example showed that chemometric resolution could greatly enhance separation ability. This makes it possible to analyze complicated practical systems like traditional Chinese medicinal preparations with the help of coupled instruments and chemometric resolution methods.
URI: http://hdl.handle.net/10397/43011
ISSN: 0021-9673
DOI: 10.1016/S0021-9673(00)01098-0
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