2011年沧州市食源性致病菌污染状况调查

Investigation on contamination status of food-borne pathogens in Cangzhou City in 2011

目的了解2011年沧州市食品中致病菌的污染状况,为该市食源性疾病和食物中毒监测提供科学依据。方法依据2011年全国食源性致病菌监测技术指南,对10类食品进行菌落总数、大肠菌群、霉菌、沙门菌、副溶血性弧菌、蜡样芽孢杆菌、单核细胞增生李斯特菌、大肠杆菌O157:H7、金黄色葡萄球菌、志贺菌、阪崎肠杆菌等11种致病菌分离、生化及血清型鉴定。结果 466份样品分别检测不同致病菌2 030份,检出致病菌24株,致病菌检出率为1.2%(24/2 030)。其中沙门菌8株,检出率为1.7%(8/466);副溶血性弧菌2株,检出率9.5%(2/21);单核细胞增生李斯特菌11株,检出率为2.6%(11/426);金黄色葡萄球菌1株,检出率为0.2%(1/445);蜡样芽孢杆菌2株,检出率为2.2%(2/90);大肠杆菌O157:H7、志贺菌、阪崎肠杆菌未检出。结论 2011年沧州市食品中存在食源性致病菌的污染,其中凉拌菜污染较重。希望卫生监督部门加大对上述产品流通、销售和餐饮的管理,防止食源性疾病的发生。

[Objective]To understand the contamination status of pathogens in food in Cangzhou city during 2011,provide a scientific basis for the surveillance of food-borne disease and food poisoning in Cangzhou City.[Methods]Based on the National technical guide for food-borne pathogens surveillance（2011）,the isolation,biochemical identification and serotype identification of total bacteria counts,coliform group,fungus,Salmonella,Vibrio parahaemolyticus,Bacillus cereus,Listeria monocytogenes,Escherichia coli O157∶H7,Staphylococcus aureus,Shigella and Enterobacter sakazakii were conducted in 10 types of food.[Results]24 strains of pathogen were detected in 466 samples,and the detection rate was 1.2%（24/2 030）.There were 8 strains of Salmonella with the detection rate of 1.7%（8/466）,2 strains of Vibrio parahaemolyticus with the detection rate of 9.5%（2/21）,11 strains of Listeria monocytogenes with the detection rate of 2.6%（11/462）,1 strain of Staphylococcus aureus with the detection rate of 0.2%（1/445） and 2 Bacillus cereus with the detection rate of 2.2%（2/90）.Escherichia coli O157∶H7,Shigella and Enterobacter sakazakii was not detected.[Conclusion]There exists contamination of food-borne pathogens in food in Cangzhou City during 2011,especially cold dish.Health supervising departments should strengthen the management of food product and sale to prevent the food-borne diseases.