2011年永州市食源性致病菌监测

目的了解湖南省永州市食品中食源性致病菌污染状况。方法依据国家食源性疾病监测网2011年度工作手册,进行沙门菌、单增李斯特菌、金黄色葡萄球菌、蜡样芽孢杆菌、志贺菌、大肠埃希菌O157、阪崎肠杆菌的检测。结果检测熟肉制品、蛋制品、速冻熟制米面制品、即食非发酵性豆制品、糕点及饼干、凉拌菜、鲜榨果蔬汁、米粉（盒饭、米线、凉皮）、婴幼儿食品共198份样品中检出致病菌20株,总检出率为10.10%;9类食品中致病菌阳性率最高的是速冻熟制米面制品,检出率为27.27%;熟肉制品、米粉、糕点、凉拌菜、鲜榨果蔬汁、婴幼儿食品的检出率依次为18.18%、18.18%、9.09%、9.09%、4.55%、4.55%。结论永州市食品已不同程度受到多种食源性致病菌污染,速冻熟制米面制品、熟肉制品、米粉为主要受污染食品,食品监督执法部门应重点监测这几类食品,减少和避免永州市食源性疾病的发生。

Monitoring of Food - borne Pathogens in Yongzhou City in 2011

Objective To investigate the status of food-borne pathogens contamination in market-sold foods in Yongzhou,Hunan Province.Methods The food-borne pathogens,including Salmonella spp.,Listeria monocytogenes,Vibrio parahaemolyticus,Staphylococcus aureus,Bacillus cereus,Shigella spp.,Escherichia coli O157:H7 and Enterobacter sakazakii were detected according to the Handbook of National Surveillance Network on Food-borne Diseases in 2011.Results Totally 20 strains of pathogens were identified in the 198 samples collected from cooked meat products,egg products,quick frozen cooked rice products,ready-to-use non-fermented soybean products,cakes or biscuit,cold and dressed vegetable,fresh fruits or vegetables juice,rice noodles(fast foods,rice noodles and cold noodles) and infant foods,with a total detection rate of 10.10%.Among 9 kinds of foods samples detected,the pathogen detection rate of quick frozen cooked rice products was the highest(27.27%).The pathogen detection rates in cooked meat products,rice noodles,cakes,cold and dressed vegetable,fresh fruits or vegetables juice and infant foods were 18.18%,18.18%,9.09%,9.09%,4.55% and 4.55%,respectively.Conclusions The market-sold foods in Yongzhou City,especially the quick frozen cooked rice products,cooked meat products and rice noodles,are contaminated to by pathogens some extend.The food supervision and law enforcement departments should pay more attention to monitoring these food products so as to decrease and prevent the food-borne diseases effectively.