Citation:
JIA Zehui, WANG Chuntao, LI Hua. The Applications of Multivariate Curve Resolutional-ternating Least Squares in Resolving Overlapped Spectra of Corydalis yanhusuo Fingerprint and the Content Detection of Tetrahydropalmatine[J]. Chinese Journal of Applied Chemistry,
;2013, 30(3): 329-334.
doi:
10.3724/SP.J.1095.2013.20174
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Spectral correlative chromatography was used to identify the peak of tetrahydropalmatine in Corydalis yanhusuo fingerprint. Moreover, multivariate curve resolution-alternating least squares(MCR-ALS) was used to resolve the overlapping peaks of tetrahydropalmatine and restore its true peak shape. More than 99.9% spectrum could be recovered and accurately quantitative results were obtained. The method can be used as an auxillary fingerprinting method to provide a reliable basis for the authenticity and quality assessment of Chinese medicines. The effect of the herbs-cooking on the content of tetrahydropalmatine was also discussed.
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