QuEChERS方法在食品农药残留检测中应用前景..doc

QuEChERS方法在食品农药残留检测中的应用远景. QuEChERS方法在食品农药残留检测中的应用远景. PAGE / NUMPAGES QuEChERS方法在食品农药残留检测中的应用远景. 文章编号 :1006-3110(201003-0619-03【综 述】 QuECh ERS方法在食品农药残 留检测中的应用远景 吴 俊,郑 翔,让蔚清 纲要 : 最近几年出处于化学性农药的大批使用和我国食品出入口贸易的繁华以致食品农药残留现象时有发生 ,遇到各级政府部门和广大民众关注。增强对农药残留检测的方法研究和加大对其监测力度显得十分重要。食品农药检测中食品样品的前办理传统技术存在很多不足 ,如单个样品提取、净化时间长 ,拥有毒性的有机溶剂使用量大等 ,对人体健康及环境影响较大。加之 ,样品回收率不高 ,影响样品检测的敏捷度。现代食品农药残留剖析技术正朝着节俭、经济、污染少、自动化的方向发展。一种分别固相萃取 (Dispersive SPE样品前办理技术拥有较好的应用远景 ,该办理技术以迅速 (quick、简单 (easy、廉价 (cheap、有效 (effective、靠谱 (rugged和安全(safe的特色而得名 QuEChERS,是农药残留剖析工作人员希望开发利用的一个有发 展远景的查验技术。本文对国内外 QuEChERS 方法及其在农药残留检测中的应用现状及应用远景作一综述。 重点词 : 农药残留 ;样品前办理技术 ;QuEChERS 中图分类号 :R15515 文件表记码 :A Application Prospect of Q uEChERS in Analysis of Pesticide R esidues in Food WU J un,ZHEN G Xiang,RAN G Wei-qing (The Institute of Environmental Medicine and Radiation Hygiene,the Resea rch Center of L ife Science,University of South China,Hengyang421001,Hunan,China Abstract: Nowadays,all levels of government and the broad masse s pay close attention to pe sticide re sidue s in food due to the abuse of pe sticide s and the prosperity of import and export trade in our country.I t is of great value to improving the analytical technology of pe sticide re sidue s and enhancing the surveillance.The traditional pretreatment technology has a lot of deficiencie s,such as extraction and decontamination take too much time.Human beings have to shoulder hazardous given by the massive consumption of toxic solvent.Moreover,the recovery rate of the sample which affects the sensitivity of method is not high enough.Modern technical analysis of pe sticide re sidue s is developing towards the direction of economy,le ss pollution and automation.The characteristics of one kind of the pretreatment technology containing the Dispersive SPE named QuECh2 ERS are quick,easy,cheap,effective,rugged and safe.This technology is a promising method and the analysts expect to develop and utilize it.This review mainly introduce s the prospect and application o