水果及果汁中二恶英类似物三氯新残留量的超高效液相色谱-串联质谱检测方法研究

Study of determination about the residue of triclosan dioxin analogs in fruit and juices by ultra performance liquid chromatography-tandem mass spectrometry

目的:对广东口岸水果和果汁中进行了三氯新残留的检测与分析。方法:本研究建立了用固相萃取手段提取、净化水果中的二恶英类似物三氯新,用LC/MS/MS技术进行定性定量分析的测定方法。结果:方法大大降低检测低限、回收率好、效率高。结论:评估了三氯新在水果和果汁中的风险。

Objective：The method was applied to determining the residue of triclosan in fruit and juices imported in Guangdong.Methods： The method was developed to determine the residue of triclosan dioxin analogs in fruit and juices by ultra performance liquid chromatography-tandem mass spectrometry with solid phase extraction to extract and purify it.Results： The method is of good recovery and efficiency to reduce determination limit in great force.Conclusion： We have evaluated the danger of triclosan residue in fruit and juices.