NDLI: Development an UHPLC-MS/MS Method for Detection of β-Agonist Residues in Milk

Content Provider	Springer Nature Link
Author	Yang, Fang Liu, Zhencai Lin, Yonghui Chen, Jian Pang, Guofang Chen, Guonan
Copyright Year	2011
Abstract	β-Agonists have been abused as the growth-promoting agent in food-producing animals over 20 years. The proof of using illegal drugs in food, which is necessary for a regulatory action, usually requires a high degree of specificity and sensitivity. This paper reported an ultra-high performance liquid chromatography (UHPLC)-ESI/MS/MS method for the confirmation of multi-residues of the 13 β-agonist compounds in milk. A wide range of analytes related to β-agonists (brombuterol, cimaterol, clenbuterol, clenpenterol, clorprenaline, hydroxymethylclenbuterol, isoxsuprine, mabuterol, ractopamine, ritodrine, salbutamol, terbutaline, tulobuterol) with similar chemical structures was investigated in order to demonstrate the applicability of our method. This method consists of a two-step extraction and a MCX SPE cleanup. The final extract was separated by UHPLC within 5 min and then injected in an electrospray ionization mass spectrometry for the determination. Using clenbuterol-D9, salbutamol-D3, and ractopamine-D5 as internal standards, and accomplishing with the matrix matched calibration curves to compensate for the matrix effects, the quantitative data showed good linear response within the concentration ranges studied. The detection limits (CCα) and detection capabilities (CCβ) of the analytes were found in the range of 0.01–0.16 μg/L and 0.03–0.21 μg/L, respectively. Recoveries of the compounds were found from 82.5% to 101% at the spiked level of 0.05–2.5 μg/L, and the relative standard deviation was within the range of 7.17% and 16.4%. Furthermore, an inter-laboratory study among eight laboratories was conducted to further validate the method, and the results were found satisfactory.
Starting Page	138
Ending Page	147
Page Count	10
File Format	PDF
ISSN	19369751
Journal	Food Analytical Methods
Volume Number	5
Issue Number	1
e-ISSN	1936976X
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-03-25
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	β-Agonists Multi-residue Milk Analysis UHPLC-MS/MS Analytical Chemistry Microbiology Food Science Chemistry/Food Science
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Safety Research Safety, Risk, Reliability and Quality Applied Microbiology and Biotechnology Food Science

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