食品检测实验室交叉污染风险分析及防控

Risk Analysis and Prevention of Cross Contamination in Food TestingLaboratories

WEN Qiju

(Qiannan Buyi and Miao Autonomous Prefecture Inspection and Testing Institute,Duyun 558ooo, China)

Abstract: Food testing laboratories are a key support for ensuring food safety,and the accuracy of their test results directly affects the scientificity and effectivenessof regulatory decisions. Cross contamination,as one of the main factors leading to distorted detection results,mayposea risk of misjudgment and affect the effctiveness offood safety control.This article starts from the workflow of fod testing laboratories,systematically analyzes the sources, transmission routes and impacts of cross contamination risks,and proposes targeted prevention and control measures from the aspects of spatial layout, sample management, equipment management and reagent management,aiming to improve the quality management level of food testing laboratories and ensure the accuracy of testing data.

Keywords: food testing laboratory; cross contamination; risk analysis; prevention and control measures

交叉污染是指在检测过程中，某种样品中的分析物或污染物意外转移到其他样品或检测系统中，导致检测结果出现假阳性或定量偏差的现象。（剩余4271字）