Simple and sensitive monitoring of beta(2)-agonist residues in meat by liquid chromatography-tandem mass spectrometry using a QuEChERS with preconcentration as the sample treatment
文献类型: 外文期刊
第一作者: Xiong, Lin
作者: Xiong, Lin
作者机构:
关键词: QuEChERS;beta(2)-Agonists;LC-MS/MS;Feed additive;Meat;DVB-NVP-SO3Na
期刊名称:MEAT SCIENCE ( 影响因子:5.209; 五年影响因子:5.305 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: A liquid chromatography with tandem mass spectrometric detection (LC-MS/MS) method was established for the simultaneous determination of the levels of 10 beta(2)-agonists in meat. The samples were extracted using an aqueous acidic solution and cleaned up using a Quick, Easy, Cheap, Effective, Rugged and Safe (QuEChERS) technique utilising a DVB-NVP-SO3Na sorbent synthesised in-house. First, the beta(2)-agonist residues were extracted in an aqueous acidic solution, followed by matrix solid-phase dispersion for clean-up. The linearities of the method were R-2 = 0.9925-0.9998, with RSDs of 2.7-15.3% and 73.7-103.5% recoveries. Very low limits of detection (LOD) and quantitation (LOQ) of 02-0.9 mu g/kg and 0.8-3.2 mu g/kg, respectively, were achieved for spiked meat. The values obtained were lower than the maximum residue limits (MRLs) established by the EU and China. These results clearly demonstrate the feasibility of the proposed approach. The evaluated method provided reliable screening, quantification and identification of 10 beta(2)-agonists in meat. (C) 2015 Elsevier Ltd. All rights reserved.
分类号: TS25
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