2016-2022年银川市市售食品食源性致病菌污染状况分析

Analysis of Contamination Status of Foodborne Pathogens in Commercially Available Food in Yinchuan from 2016 to 2022

目的:了解2016-2022年银川市市售食品食源性致病菌污染情况。方法:于2016-2022年对银川市辖区的市售食品进行随机抽检,采集1 275份样本进行11种相关致病菌的分离培养,分析食源性致病菌污染情况。结果:共采集1 275份样品,检出致病菌样品67份,总检出率为5.25%。检出率最高的是蜡样芽胞杆菌,为11.15%(31/278);其次为铜绿假单胞菌,检出率为8.70%(2/23)。19类食品中,有11类食品检出致病菌,主要为豆制品(25.00%)、粮食制品(22.22%)、食用菌及其制品(12.50%)、焙烤及油炸类食品(9.62%)以及饮用水(8.70%);流通环节和餐饮服务环节阳性率无统计学差异;散装和预包装食品食源性致病菌的阳性率无统计学差异。结论:银川市市售食品存在食源性致病菌的污染,但各类分析无统计学差异,应继续加强监测监管。

Objective:To investigate the contamination of foodborne pathogens in commercial food in Yinchuan from 2016 to 2022.Method:From 2016 to 2022,1 275 samples were collected for isolation and culture of 11 related pathogenic bacteria,and the contamination of foodborne pathogens was analyzed.Result:A total of 1 275 samples were collected,and 67 pathogenic samples were detected,with a total detection rate of 5.25%.Bacillus cereus (11.15%) (31/278) had the highest detection rate,followed by Pseudomonas aeruginosa 8.70% (2/23).Among the 19 types of food,11 types of food were found to have pathogenic bacteria,mainly soy products (25.00%),grain products (22.22%),edible fungi and their products (12.50%),baked and fried foods (9.62%) and drinking water (8.70%);there was no statistical difference between the positive rate of circulation link and catering service link;there was no significant difference in the positive rate of foodborne pathogens between bulk and pre-packaged foods.Conclusion:There is contamination of foodborne pathogens in the food sold in Yinchuan city,but there is no statistical difference in various analyses,and the monitoring and supervision should be strengthened.