2011年大连市食源性致病菌监测结果

Surveillance results of food-borne pathogens in Dalian City in 2011

目的了解大连市食品中食源性致病菌的污染状况,为食源性疾病的监测和预警提供科学依据。方法按照《全国食源性致病菌监测工作手册》的要求,对大连市区农贸市场、大型超市、宾馆酒店及个体摊贩销售点的10类食品进行沙门菌、单核细胞增生李斯特菌、大肠埃希菌O157∶H7、志贺菌、金黄色葡萄球菌、副溶血性弧菌和蜡样芽孢杆菌7种食源性致病菌进行监测分析。结果 10类共296份样品检出致病菌19株,总检出率为6.4%。其中沙门菌2株,金黄色葡萄球菌5株,副溶血性弧菌12株。结论大连市市售食品不同程度受到多种食源性致病菌的污染,水产品、鲜榨果蔬汁、即食非发酵性豆制品和熟肉制品为主要受污染食品,应加强市售食品监督管理,减少由此引起食源性疾病的发生。

[Objective]To know the contamination status of food-borne pathogens in food in Dalian City,provide scientific basis for surveillance and early-warning of food-borne diseases.[Methods]According to the requirements of the Food-borne Pathogen Monitoring Manual,7 food-borne pathogens,including Salmonella,Listeria monocytogenes,Escherichia coli O157：H7,Shigella,Staphylococcus aureus,Vibrio parahaemolyticus and Bacillus cereus,in the samples of 10 kinds of food which collected from farmers＇ markets,shopping mall,hotels and retail outlets were monitored and analyzed.[Results]A total of 19 food-borne pathogens were isolated from 296 samples with the total detection of 6.4%.There were 2 strains of Salmonella,5 strains of Staphylococcus aureus and 12 strains of Vibrio parahaemolyticus.[Conclusion]The food in Dalian markets are contaminated by food-borne pathogens at different degrees,and the main contaminated food include aquatic food,fruit and vegetable juice,instant？non-fermented bean products and cooked meat products.It is necessary to strengthen the supervision and management to reduce the incidence of food-borne diseases.