2011—2017年天水市即食食品中食源性致病菌监测分析

目的了解2011-2017年甘肃省天水市即食食品中食源性致病菌污染状况,为本地区监管部门采取有效的控制措施提供科学依据。方法按多级分层抽样从2011-2017年天水市流通和餐饮服务环节中采取9类1 180份样品,参照《国家食品污染和有害因素风险监测工作手册》中的方法检测8种食源性致病菌。结果食源性致病菌总检出率为9.7%,其中蜡样芽孢杆菌的检出率最高(11.2%),中式凉拌菜中致病菌检出率最高(20.6%),食源性致病菌检出率第三季度最高(13.3%)、第一季度最低(2.4%),各季度检出率差异有统计学意义(χ^2=15.781,P=0.001)。结论天水市即食食品中食源性致病菌污染较为严重;应加强卫生状况的监管,以防食源性疾病的发生。

Surveillance of foodborne pathogens in instant food in Tianshui city from 2011 to 2017

Objective To investigate the contamination status of foodborne pathogens in instant food in Tianshi city of Gansu province from 2011 to 2017, so as to provide scientific basis for regulatory authority taking effective measures.Methods With the multilevel stratified sampling method, totally 1 180 samples of 9 categories of food were randomly collected in food circulation and catering service links in Tianshui during 2011 to 2017. There were 8 foodborne pathogens selected for detection according to the methods in Manual of National Food Contamination and Harmful Factors Risk Surveillance. Results The detection rate of foodborne pathogens was 9.7%, with the highest detection rate of Bacillus cereus(11.2%). The detection rate was the highest in Chinese salad(20.6%) in the third quarter(13.3%), and the lowest in the first quarter(2.4%), with statistical difference(χ^2=15.781, P=0.001). Conclusions The contamination of foodborne pathogens in the instant food is severe in Tianshui city. The supervise of food hygiene status should be strengthened for foodborne diseases prevention and control.