南充市散装即食食品中食源性致病菌监测

Monitoring of Food-borne Pathogens in Bulk Ready-to-use Food in Nanchong

目的了解南充市即食食品中食源性致病菌污染状况,为预防和控制食源性疾病提供科学依据。方法随机抽取具代表性的4类食品,依据国标方法,对584件样品进行沙门菌、金黄色葡萄球菌、单核细胞增生李斯特菌、大肠杆菌O157:H7、志贺菌5种食源性致病菌分离鉴定。结果 584件食品中检出50株致病菌,总检出率为8.56%(50/584)。5种食源性致病菌中,金黄色葡萄球菌检出率最高(6.68%),其次为单核细胞增生李斯特菌(1.03%)和沙门菌(0.86%),未检出大肠埃希菌O157和志贺菌。结论南充市散装即食食品中存在食源性致病菌污染,应加强食品卫生监督管理,防止食源性疾病发生。

Objective To investigate the pollution situation of food-borne pathogens in instant food in Nanchong so as to provide scientific basis for the prevention and control of food-borne diseases.Methods Four types of food from local area were selected randomly as representatives.According to the national standard method 5 kinds of food-borne pathogens were isolated and identified in 584 samples,including Salmonella,Staphylococcus aureus,Listeria monocytogenes,Escherichia coli（E.coli） O157：H7and Shigella.Results Fifty pathogens was detected in 584 samples,making a total detection rate of 8.56%（50/584）.Among the 5 types of food-borne pathogens,Staphylococcus aureus＇s detection rate was the highest（6.68%）,followed by mononuclear cell hyperplasia Listeria（1.03%） and salmonella bacteria（0.86%）.Coli O157 and shigella was not detected.Conclusions Food-borne pathogens pollution do widely exists with high risk of spread and infection.The supervision and management of food hygiene should be strengthened in order to prevent food-borne diseases.