ZHAO Wenyan,XIANG Qian,WANG Chan,et al.Explanation of Scientific Connotation of Euodiae Fructus Stir-fried with Coptidis Rhizoma Based on UPLC-Q-TOF/MS and Pattern Recognition Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(21):147-155.
ZHAO Wenyan,XIANG Qian,WANG Chan,et al.Explanation of Scientific Connotation of Euodiae Fructus Stir-fried with Coptidis Rhizoma Based on UPLC-Q-TOF/MS and Pattern Recognition Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(21):147-155. DOI: 10.13422/j.cnki.syfjx.20220147.
Explanation of Scientific Connotation of Euodiae Fructus Stir-fried with Coptidis Rhizoma Based on UPLC-Q-TOF/MS and Pattern Recognition Technology增强出版
To analyze changes of the chemical composition in Euodiae Fructus before and after processing with Coptidis Rhizoma decoction, so as to provide scientific basis for elucidating the processing mechanism of this decoction pieces.
Method
2
Ultra-performance liquid chromatography-quadrupole-time-of-flight mass spectrometry (UPLC-Q-TOF/MS) was performed on a Titank C
18
column (2.1 mm×100 mm, 1.8 μm), the mobile phase was 0.1% formic acid aqueous solution-acetonitrile for gradient elution, the column temperature was set at 40 ℃, the flow rate was 0.25 mL·min
-1
. Electrospray ionization (ESI) was used to scan in positive and negative ion modes, and the scanning range was
m
/
z
50-1 250. The chemical constituents in Euodiae Fructus were identified before and after processing by reference substance comparison, database matching and literature reference, and MarkerView™ 1.2.1 software was used to normalize the obtained data, SIMCA-P 14.1 software was employed to perform principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA) on MS data of raw and processed products to screen the differential components before and after processing.
Result
2
A total of 50 compounds were identified, including 48 kinds of stir-fried products with Coptidis Rhizoma decoction and 44 kinds of raw products. After processing, six compounds were added, including danshensu, noroxyhydrastinine, oxyberberine, 13-methylberberrubine, protopine and canadine. However, two kinds of compounds, including (
S
)-7-hydroxysecorutaecarpine and wuchuyuamide Ⅱ, were not detected after processing. In general, after processing, the overall contents of phenolic acids and flavonoids decreased significantly, the overall content of limonoids increased, and the overall content of alkaloids did not decrease insignificantly. The results of PCA and OPLS-DA showed that there were significant differences in the composition and content of the chemical components of Euodiae Fructus before and after processing, and a total of 12 variables such as quercetin, dihydrorutaecarpine and dehydroevodiamine were obtained by screening.
Conclusion
2
Euodiae Fructus stir-fried with Coptidis Rhizoma decoction mainly contains phenolic acids, flavonoids, limonoids and alkaloids. The composition and content of the chemical components have some changes before and after processing. The addition of processing excipients and hot water immersion are the main reasons for the difference, which can provide experimental basis for interpretation of the processing mechanism of this characteristic processed products of Euodiae Fructus.
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