231份即食食品中微生物污染状况调查分析

目的了解邯郸市即食食品中微生物污染状况,提高我市食源性疾病检测、预警和控制能力,为食物中毒监测提供科学依据,以保障我市居民饮食安全。方法依据GB4789-2010和《2011年河北省食源性疾病监测技术指南》对我市的熟肉制品、即食非发酵豆制品、中式凉拌菜、鲜榨果汁、夹心饼干和盒饭6类即食食品进行微生物学检测。检测项目:卫生学指标(菌落总数、大肠菌群)和6种致病菌(沙门氏菌、金黄色葡萄球菌、O157∶H7/NM、单核细胞增生李斯特氏菌、志贺氏菌、腊样芽孢杆菌)。结果 231份样品中合格72份,合格率为31.17%,其中夹心饼干类合格率最高为93.33%;其他类别的样品的合格率均较低,即食非发酵豆制品的合格率低至13.33%。结论我市即食食品卫生状况极差,部分食品还检出食源性致病菌,存在细菌性食物中毒的隐患,有关部门应加大监管力度,以保障居民的食品安全。

Survey and analysis on microbiaI contamination of 231 instant foods

Objective To understand the microbial contamination of instant food in Handan City,improve the detection,warning and control abilities of foodborne diseases in our city,and provide scientific basis for food poisoning mornitoring so as to safeguard food safety of residents.Method Conduct microbial detection for the 6 kinds of instant food,namely,cooked meat products,instant non-fermented bean products,Chinese cold dishes,freshly squeezed juice,sandwich biscuits,and box lunch,in accordance with GB4789-2010 and Monitoring Technical Guideline on Foodborne Diseases in Hebei Province in 2011.The detection items included hygienics indexes(total number of bacterial colony and coliform colony) and 6 kinds of pathogens(salmonella,staphyloccus aureus,O157:H7/NM,listeria monocytogens,shigella and bacilus cereus).Results Among the 231 samples,72 were qualified,and the qualified rate was 31.17%.The sandwich biscuits had the highest qualified rate(93.33%);and the qualified rates of other kinds were reletively low.The instant non-fermented bean products had the lowest qualified rate(13.33%).Conclusions The sanitary condition of instant food was very poor in our city,or even foodborne pathogens were detected from some food,which contained the hidden danger of bacterial food poisoning.The relevant authorities should strengthen supervision and management so as to protect the food safety residents.