合肥市售冰鲜鸡肉中沙门菌及微生物污染状况调查

Study on Salmonella and microbiological contamination in chilled chicken of Hefei

目的:对合肥市场销售的冰鲜鸡肉中的微生物菌落总数和沙门菌的种类、污染程度调查分析。方法:2012年3月-2012年7月从合肥地区4家超市采集各类鸡肉样品共48件,采用GB4789.2-2010与GB4789.4-2010方法,对鸡肉表面的菌落总数、沙门菌进行检测。结果:合肥地区超市中销售的冰鲜鸡肉的菌落总数均小于106cfu/g;检出沙门菌11株,血清型4种为:鼠伤寒沙门菌、肠炎沙门菌、德尔卑沙门菌和印第安沙门菌。结论:除一家超市外,冰鲜整鸡的微生物安全性高于分项鸡肉,分项鸡肉中,鸡翅的污染最为严重。

Objective：To study total colonies numbers and the Salmonella contamination of chilled chicken products in Hefei supermarkets, offering the data for risk assessment of Salmonella in chicken in Hefei. Methods： From March to July of 2012, fortyeight chicken samples were collected from four supermarkets in Hefei, the total plate count, the contamination of Salmonella were detected in accordance with GB4789.2 - 2010 and GB4789.4 - 2010. Results： The total plate count of fresh chilled chicken in the supermarkets of Hefei was less than 106 cfu/g; eleven Salmonella strains including four serotypes： S. typhimurium,S, enteritidis, S. derby and S. indiana were detected in these samples. Conclusion： The microbiological safety of the whole chicken is better than split chicken products except one supermarket. Among the different split chicken products, chicken wings is the most serious in pollution.