Determination of 10 Kinds of Salicylamides in Foods of Animal Origin by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
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Determination of 10 Kinds of Salicylamides in Foods of Animal Origin by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
Vol. 36, Issue 8, Pages: 963-968(2017)
作者机构:
1. 广州检验检测认证集团有限公司
2. 广东食品药品职业学院
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Determination of 10 Kinds of Salicylamides in Foods of Animal Origin by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry. [J]. 36(8):963-968(2017)
DOI:
Determination of 10 Kinds of Salicylamides in Foods of Animal Origin by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry. [J]. 36(8):963-968(2017)DOI:
Determination of 10 Kinds of Salicylamides in Foods of Animal Origin by Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry
A new method was developed for the determination of 10 kinds of salicylamides,including 5-chlorosalicylanilid,4′-bromosalicylanilid,3′,4′-dichloro-salicylanilid,4′,5-dichloro-salicylanilid,3′,4′,5-trichloro-salicylanilid,5-bromo-4′-chlorosalicylanilide,3,5-dibromo-salicylanilid,4′,5-dibromo-salicylanilid,3,4′,5-tribromo-salicylanilid and 3,3′,4′,5-tetrachloro-salicylanilid in foods of animal origin using solid phase extraction(SPE) combined with ultra-performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS).Samples were extracted using acetonitrile, and purified with an amino(NH2) SPE column. The eluent was concentrated by nitrogen gas blowing.10 target compounds were separated on a T3 column(100mm×2.1mm,1.8μm) by gradient elution with methanol-0.1% formic acid as mobile phase,ionized by negative electrospray ionization(ESI-),detected under multiple reaction monitoring(MRM) mode,and quantified by the external standard method. Under the optimized condition,the calibration curves of 10 kinds of salicylamides were linear in a certain concentration range with correlation coefficients(r2) no less than 0.9957.The limits of detection(LODs,S/N=3) and limits of quantitation(LOQs,S/N=10) for the target compounds were in the ranges of 0.5-1.0μg/kg and 1.5-3.0μg/kg,respectively. The average recoveries at three spiked levels ranged from 81.0% to 106%,with relative standard deviations(RSD,n=6) no more than 7.5%.The method was suitable for the identification and quantification of 10 kinds of salicylamides in foods of animal origin.
关键词
动物源性食品固相萃取(SPE)水杨酰胺类化合物超高效液相色谱-串联质谱法(UPLC-MS/MS)
Keywords
foods of animal originsolid phase extraction(SPE)salicylamidesultra-performance liquid chromatography tandem mass spectrometry(UPLC-MS/MS)
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Related Institution
South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences,Fishery Environment and Aquatic Products Quality Inspection & Testing Center of the Ministry of Agriculture and Rural Affaires