浙江省余姚市农贸市场肉类、海产品中6种食源性细菌的污染检测分析

Contamination testing of six food borne bacteria in meat, seafood from farmers’market in Yuyao city, Zhejiang province

摘要: 目的　了解浙江省余姚市农贸市场市售肉类、海产品中食源性细菌污染状况。方法　依据国标方法，采用进口显色培养基和生化鉴定系统，分别对样品进行沙门菌、志贺菌、EHEC O157、副溶血弧菌、单核细胞增生李斯特菌做分离、生化及血清学鉴定。结果　检测生猪肉、生牛（羊）肉、生禽肉、散装熟肉制品、海产品5类食品365份，检出阳性213份，检出率58.36%，检出菌株273株，菌株总检出率74.79%。结论　市售肉类、海产品污染严重极易引起食源性疾病。

Abstract: Objective　The study was conducted to identify the food borne bacterial contamination in meat and seafood fromfarmers market in Yuyao City. Methods　The samples were tested for ISalmonella, Shigella/I, EHEC O157, IVibrioparahaemolyticus, Listeria monocytogenes/I isolates and underwent biochemical and serological identification using Chromagarand an imported biochemical identification system according to the international procedures. Results　From 365 tested samplesof 5 species of food such as raw pork, beef/mutton, fowl, cooked meat in bulk and seafood, 213 positive cases wereidentified, the detection rate being 58.36 percent. Detected strains amounted to 273, the overall identification rate being74.79 percent. Conclusion　Commercial meat, seafood, as found to be severely polluted, would easily cause foodborne diseases.