Abstract
An ultra performance liquid chromatography (UPLC) method was established for the simultaneous determination of cimaterol, salbutamol, terbutaline, and ractopamine in feed. Target compounds were extracted with methanol and centrifuged. The supernatant was then transferred and concentrated, and applied to a solid phase extraction MCX cartridge for clean-up before UPLC analysis. The calibration curves for the four β-agonists were good linear in concentration range of 0.05–1.0 μg mL−1 with the correlation coefficients (r) over 0.999. The average recoveries were in the range of 90.1–101.4% with relative standard deviation values lower than 8.0%.
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Acknowledgments
This work was supported by the General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China Research Project (NO. 2008IK167) and the National Natural Science Foundation of China (20975083). The research was finished in the Technology Center Laboratory of Chongqing Entry-Exit Inspection and Quarantine Bureau. We thank the Lab for providing us with pure standards of β-agonists, feed samples, and the analytical instrument in this study.
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Qu, C.H., Li, X.L., Zhang, L. et al. Simultaneous Determination of Cimaterol, Salbutamol, Terbutaline and Ractopamine in Feed by SPE Coupled to UPLC. Chromatographia 73, 243–249 (2011). https://doi.org/10.1007/s10337-010-1873-6
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DOI: https://doi.org/10.1007/s10337-010-1873-6