2011年雅安市食源性病原菌监测结果分析

Monitoring of Food-borne Pathogens in Ya'an in 2011

目的了解雅安市食品污染中引起食源性疾病的重要致病菌,提高雅安地区食源性疾病检测、预警和控制能力。方法按照中国疾病预防控制中心营养与食品安全所《2011年食源性致病菌监测工作手册》,检测9大类食品。结果抽检9大类食品各20件,共计180件。熟肉制品、速冻熟制米面制品、即食非发酵性豆制品、婴幼儿配方粉和婴幼儿谷基辅助食品、糕点及饼干、凉拌菜、鲜榨果蔬汁及米粉、凉皮、米线、盒饭,8类食品中都检出大肠菌群,检出率分别为25%、20%、60%、10%、30%、50%、40%和20%;速冻熟制米面制品、糕点及饼干中霉菌检出率均为100%;鲜榨果蔬汁中金黄色葡萄球菌的检出率为5%;速冻熟制米面制品中单核细胞增生李斯特菌的检出率为5%;未检出沙门菌、大肠埃希菌O157、志贺菌、阪崎肠杆菌、蜡样芽孢杆菌。结论雅安市即食性非发酵豆制品、凉拌菜、鲜榨果蔬汁、速冻熟制米面、饼干及糕点类散装或自制的食品和直接食用的食品卫生质量较差。应加强对这类食品的监督监管,以保障食品的食用安全。

Objective To understand the major pathogens in food-borne illness caused by food contamination in Ya’an ctiy and to improve capabilities of detection,early warning and control of food-borne illness in Ya’an.Methods According to Workbook of Monitoring Food-borne Pathogens in 2011（Institute of Nutrition and Food Safety,Chinese Centre for Disease Control and Prevention）,9 kinds of food were detected.Results A total of 180 samples included in 9 kinds（20 samples for each kind） were detected.Coliforms were found in following 8 kinds of food：cooked meat,frozen cooked rice products,ready-to-eat fermented soy products,infant formula powder and infant corn-based complementary food,cakes and biscuits,cold dishes,fresh fruit and vegetable juices,rice noodles,Liangpi,noodles and boxed meal.The detection rates were respectively 25%,20%,60%,10%,30%,50%,40% and 20%.The detection rates of mold in frozen of cooked rice products,pastries and cookies were 100%;staphylococcus aureus in fresh fruit and vegetable juices,5%;monocytogenes listeria monocytogenes in frozen cooked rice products,5%.Salmonella,Escherichia coli O157,Shigella,Enterobacter sakazakii,Bacillus cereus bacteria were not found in all the samples.Conclusion The sanitary situations of bulks or self-made direct-eat food,such as ready-to-eat fermented soy products,cold dishes,fresh fruit and vegetable juices,frozen cooked rice products,cakes and biscuits are not optimistic.The supervision and regulation of such kinds of food should be strengthened to secure food consumption.