YU Xiaotao,WANG Bo,WANG Jia,et al.Study on quality control method of Qiguiling mixture[J].ZHONGGUO YAOFANG,2023,34(10):1223-1227. DOI: 10.6039/j.issn.1001-0408.2023.10.13.
Study on quality control method of Qiguiling mixture
To establish the fingerprint of Qiguiling mixture and the method for the content determination of 4 kinds of active components such as calycosin-7-glucoside, so as to control the quality of Qiguiling mixture.
METHODS
2
The fingerprints of 12 batches of Qiguiling mixture were established by HPLC. SPSS 25.0 software was used for cluster analysis and principal component analysis, and SIMCA 14.1 software was used for orthogonal partial least squares-discriminant analysis. The variable importance in projection (VIP) value greater than 1.0 was used as the index to screen the differential components. The contents of calycosin-7-glucoside, glycyrrhizin and glycyrrhizic acid were calculated by the quantitative analysis of multi-components by single marker (QAMS) with hesperidin as the internal reference, and the results were compared with external standard method.
RESULTS
2
In the fingerprints of 12 batches of samples, 17 common peaks were identified, and the similarities were more than 0.940. A total of 4 common peaks were identified, which were calycosin-7-glucoside (peak 6), glycyrrhizin (peak 8), hesperidin (peak 12), and glycyrrhizic acid (peak 17). The 12 batches of samples could be clustered into two categories, S4, S7-S9 and S11-S12 were clustered into one category, and the other batches of samples were clustered into one category. The cumulative variance contribution rate of the six principal components was 85.840%, and VIP values of peaks 15, 14, 4, 8 (glycyrrhizin) and 9 were all greater than 1.0. The relative error between the results of QAMS and external standard method was less than 5% (
n
=3) for the contents of calycosin-7-glucoside, glycyrrhizin and glycyrrhizic acid.
CONCLUSIONS
2
Established HPLC fingerprint and content determination method in this study can be used for quality control of Qigiling mixture. Five components such as glycyrrhizin are the differential components.
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Related Author
LI Danyang
DONG Chao
ZHENG Yunfeng
YAN Hui
ZHANG Li
NIE Yushan
MA Xue
LU Yuan
Related Institution
School of Pharmacy, Nanjing University of Chinese Medicine
Dept. of Pharmacy, the First Affiliated Hospital with Nanjing Medical University
Dept. of Pharmacy, Jiangsu Province Hospital of Chinese Medicine
Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University