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Analysis of bile acid component in sheep bile based on UPLC-Q Exactive-Orbitrap MS/MS technique |
LIN Shiling1 LIN Yifan1 ZHU Mingxing2 CHEN Tao1 HUANG Mingqing1 ZHENG Yanfang1 LIN Yanxiang1 |
1.College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fujian Province, Fuzhou 350122, China;
2.College of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fujian Province, Fuzhou 350122, China
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Abstract Objective To rapidly identify bile acid component in sheep bile by UPLC-MS/MS. Methods Thermo HYPERSIL GOLD column (2.1 mm×100 mm, 1.9 μm) was used, gradient elution carried out with 0.1% formic acid-methanol as mobile phase, the flow rate was 0.2 ml/min, the column temperature was 40℃; full scanning and secondary mass spectrometry scanning of samples were performed by electrospray ion source in negative ion mode. Results A total of 15 bile acid components were identified, all the four free bile acids were detected in sheep bile for the first time. Conclusion The method developed in this study has the characteristics of high efficiency and sensitivity, which can quickly realize the identification of bile acid component in sheep bile, and provide theoretical basis for further elucidation of its pharmacodynamic substances.
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