ZHONG Min-yong,QIAO Ri-fa,LUO Tao,et al.Quality Evaluation of Aurantii Fructus Based on Fingerprint Qualitative Analysis, Multi-component Quantitative Analysis and Chemometrics[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(04):138-145.
ZHONG Min-yong,QIAO Ri-fa,LUO Tao,et al.Quality Evaluation of Aurantii Fructus Based on Fingerprint Qualitative Analysis, Multi-component Quantitative Analysis and Chemometrics[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(04):138-145. DOI: 10.13422/j.cnki.syfjx.20211946.
Quality Evaluation of Aurantii Fructus Based on Fingerprint Qualitative Analysis, Multi-component Quantitative Analysis and Chemometrics
To establish an integrated method of fingerprint qualitative, multi-component quantitative analysis and chemometrics, and to evaluate the quality attributes and differences of Aurantii Fructus from different production areas and origins.
Method
2
Analysis was performed on COSMOSIL 5C
18
-MS-Ⅱ column (4.6 mm×250 mm, 5 μm) with the mobile phase of acetonitrile-0.2% phosphoric acid solution for gradient elution (0-4 min, 19%A; 4-5 min, 19%-21%A; 5-18 min, 21%A; 18-19 min, 21%-28%A; 19-27 min, 28%A; 27-28 min, 28%-40%A; 28-36 min, 40%A; 36-37 min, 40%-50%A; 37-42 min, 50%-60%A; 42-46 min, 60%-95%A; 46-55 min, 95%-100%A), the flow rate was 1 mL·min
-1
, the column temperature was 30 ℃, the detection wavelength was set at 320 nm, and the injection volume was 10 μL. High performance liquid chromatography (HPLC) fingerprints of Aurantii Fructus from different production areas and origins were established. Then, the quality of 26 batches of samples was evaluated by cluster analysis (CA), principal component analysis (PCA) and orthogonal partial least squares discriminant analysis (OPLS-DA). A method for the determination of 12 components was developed and verified, and a thermal map-based CA of Aurantii Fructus from different production areas and origins was carried out based on the content difference of samples.
Result
2
The fingerprint and determination methods were well verified. The similarity of HPLC fingerprint of 12 batches of Aurantii Fructus was 0.85-0.996, 20 common peaks were calibrated and 14 of them were assigned. The resolution and linear relationship of 12 components in quantitative analysis were good. The recovery rates were 99.2%-101.0% with RSD≤2.0%. The results of CA, PCA and OPLS-DA indicated that the differentiation of Aurantii Fructus in different production areas was great, and there were differences among different cultivars.
Conclusion
2
The qualitative analysis of fingerprint and quantitative analysis of multiple indexes based on the same chromatographic analysis conditions are convenient, accurate and reliable, and combined with chemometrics, the identification and quality analysis of Aurantii Fructus from different production areas and origins can be realized, which can provide reference for quality control and evaluation of Aurantii Fructus.
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Related Author
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Related Institution
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