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目的调查食品中食源性致病菌的污染状况。方法采集包括酸奶、冰激凌、生牛奶、生食水产品、熟肉、生肉(鸡、羊、牛、猪)等6类食品的样本900件,利用国标方法检测样本中副溶血性弧菌、金黄色葡萄球菌、肠出血性大肠杆菌O157:H7、单增李斯特菌以及沙门菌。结果 900件食品样本中共检出183株致病菌,检出率为20.3%(183/900),包括30株沙门菌、92株单增李斯特菌、61株金黄色葡萄球菌。未检出副溶血性弧菌和肠出血性大肠杆菌EHEC O157∶H7。生肉类食品的致病菌检出率最高,其次是生奶。结论包头市食品普遍存在食源性致病菌污染。
Objective To investigate the status of food-borne pathogens in foodstuffs. Methods A total of 900 samples of 6 kinds of foods, including yogurt, ice cream, raw milk, raw aquatic products, cooked meat and raw meat (chicken, sheep, cattle and pigs), were collected and used to detect Vibrio parahaemolyticus, Staphylococcus, enterohemorrhagic Escherichia coli O157: H7, Listeria monocytogenes and Salmonella. Results A total of 183 pathogenic bacteria were detected in 900 food samples. The detection rate was 20.3% (183/900), including 30 Salmonella, 92 Listeria monocytogenes and 61 Staphylococcus aureus. Vibrio parahaemolyticus and enterohemorrhagic Escherichia coli EHEC O157: H7 were not detected. The highest detection rate of pathogenic bacteria in raw meat products, followed by raw milk. Conclusion Food-borne pathogenic bacteria are common in Baotou City.