HAO Jianwei,ZHANG Jiuba,MAO Chunqin,et al.Study on the processing technology and characteristic chromatogram of Epimedium koreanum roasted with suet oil[J].ZHONGGUO YAOFANG,2025,36(05):546-551.
HAO Jianwei,ZHANG Jiuba,MAO Chunqin,et al.Study on the processing technology and characteristic chromatogram of Epimedium koreanum roasted with suet oil[J].ZHONGGUO YAOFANG,2025,36(05):546-551. DOI: 10.6039/j.issn.1001-0408.2025.05.07.
Study on the processing technology and characteristic chromatogram of Epimedium koreanum roasted with suet oil
roasted with suet oil and analyze its characteristic chromatogram before and after processing.
METHODS
2
The optimal processing technology was optimized by orthogonal experiments with frying power, frying time and medicinal temperature as factors using the comprehensive score of appearance traits (color+odor), alcohol-soluble extract, the contents of icariin and baohuoside Ⅰ as evaluation index, then proceed with verification. The
E. koreanum
roasted with suet oil was prepared with the optimal technology. The characteristic chromatograms of 15 batches of
E. koreanum
were established with the
Similarity Evaluation System for Chromatographic Fingerprint of Traditional Chinese Medicine
(2012 edition), and then similarity analysis was also conducted. Clustering analysis, principal component analysis, and orthogonal partial least squares discriminant analysis were used to evaluate the differences in
E. koreanum
before and after processing.
RESULTS
2
The optimal processing technique for
E. koreanum
roasted with suet oil was as follows: first, heat 4 g of suet oil at a power of 600 W until it melts; next, when the temperature at the bottom of the pan reaches 140 ℃, add 20 g of
E. koreanum
silk and stir-fry for 6 minutes; finally, remove it and let it cool. Comprehensive score of 3 validation tests was 98.94 points (RSD<3%). The established characteristic chromatogram of
E. koreanum
and
E. koreanum
roasted with suet oil were calibrated with 16 and 15 common peaks, respectively. Chromatographic peak 2 was determined to be chlorogenic acid, peak 5 to be chaohuoding A, peak 6 to be chaohuoding B, peak 7 to be chaohuoding C, peak 8 to be icariin, and peak 14 to be baohuoside Ⅰ. The similarities were all greater than 0.9. Results of cluster analysis and principal component analysis showed that
E. koreanum
and
E. koreanum
roasted with suet oil were clustered into distinct groups. The results of orthogonal partial least squares discriminant analysis showed that the variable importance projection values for peak 13, peak 15, peak 9, peak 1, peak 8, peak 12, peak 7, and peak 10 were all greater than 1.
CONCLUSIONS
2
The study successfully optimized the processing technology of suet oil-roasted
E. koreanum
. There are significant differences in the characteristic chromatograms of
E. koreanum
before and after processing. Among them, the chemical components corresponding to peak 13, peak 15, peak 9, peak 1, peak 8, peak 12, peak 7, and peak 10 may be the differential components of
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