Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12208
Title: Analytical comparison of different parts of Radix Angelicae Sinensis by gas chromatography coupled with mass spectrometry
Authors: Wei, SY
Xu, CJ
Mok, DKW 
Cao, H
Lau, TY
Chau, FT
Keywords: Chemometrics
Danggui
Factor analysis
GC-MS
Radix Angelicae Sinensis
Issue Date: 2008
Publisher: Elsevier Science Bv
Source: Journal of chromatography a, 2008, v. 1187, no. 1-2, p. 232-238 How to cite?
Journal: Journal of Chromatography A 
Abstract: The three parts of Radix Angelicae Sinensis (Danggui) were reported to have different therapeutic effects. In order to investigate their chemical compositions of different parts of Danggui, gas chromatography-mass spectrometry (GC-MS) combined with chemometrics data analysis was applied to provide a more detailed study. Subwindow factor analysis (SFA) and a modified augmented evolving window orthogonal projection (AEWOP) method were used to resolve the batch GC-MS data sets from the Danggui samples. Then, t-test, Wilcoxon rank sum test, and principal component analysis (PCA) were applied to carry out the comparison job. The results indicate which components are found to have significant differences among the three parts. These findings may be helpful for further research of the pharmacological activities of Danggui.
URI: http://hdl.handle.net/10397/12208
ISSN: 0021-9673
DOI: 10.1016/j.chroma.2008.02.023
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