Journal
ANALYTICA CHIMICA ACTA
Volume 529, Issue 1-2, Pages 75-81Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aca.2004.09.053
Keywords
molecular imprinted polymer; beta-agonists; growth promoter; residues; muscle
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A liquid chromatography-mass spectrometry (LC-MS) method for the analysis of beta-agonists in bovine muscle is developed. Sample clean-up is based on molecular imprinted polymers (MIPs). The LC-MS method was validated for screening purposes. The validation results show that eight compounds (cimaterol, cimbuterol, ractopamine, clenproperol, clenbuterol, brombuterol, mabuterol, mapenterol and isoxsuprine) meet the requirements for quantitative determination using MlPs for sample clean-up. Reliable screening is possible as low as 1 mug kg(-1). The method was validated for bovine muscle but also has proven to be suitable for muscle samples from rabbit, duck and turkey, liver and various kinds of fish. (C) 2004 Elsevier B.V. All rights reserved.
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