2015—2024年淄博市学生餐微生物污染状况监测分析  

Monitoring and Analysis of Microbial Contamination in Student Meals in Zibo City from 2015 to 2024

作　　者：武玉平[1] 杨爱青[1] 徐一凡 张茜[1] 汪洋[1] WU Yuping;YANG Aiqing;XU Yifan;ZHANG Qian;WANG Yang(Zibo Center for Disease Control and Prevention,Zibo 255026,China)

机构地区：[1]淄博市疾病预防控制中心,山东淄博255026

出　　处：《食品安全导刊》2025年第10期59-62,共4页China Food Safety Magazine

基　　金：山东省学校卫生协会课题项目(SDWS2024058)。

摘　　要：目的:了解近十年淄博市学生餐微生物污染状况,为保障学生餐安全、预防食源性疾病事件的发生提供依据。方法:对2015—2024年淄博市各区县采集的学生餐中的大肠埃希氏菌、致泻大肠埃希氏菌、金黄色葡萄球菌、蜡样芽胞杆菌、沙门氏菌、单核细胞增生李斯特氏菌进行检测,依据相关标准进行评价。结果:2015—2024年所检354份学生餐总体不合格率为4.80%,其中大肠埃希氏菌不合格率为0.85%,金黄色葡萄球菌、沙门氏菌、单核细胞增生李斯特菌不合格率分别为1.98%、1.69%和0.28%。2015—2024年淄博市不同食品类别和学校类型学生餐微生物污染状况均未见显著差异(P>0.05),不同采样季度学生餐样品不合格率差异有统计学意义(P<0.05),第二、三季度不合格率较高,分别为10.11%和7.95%。结论:淄博市学生餐存在不同程度的微生物污染,主要致病菌为金黄色葡萄球菌、沙门氏菌。第二、三季度应加强监管。Objective:To investigate the microbial contamination status of students meals in Zibo city in recent ten years,and to provide evidence for ensuring the safety of students meals and preventing the occurrence of foodborne diseases.Method:Escherichia coli,diarrheal Escherichia coli,Staphylococcus aureus,Bacillus cereus,Salmonella and Listeria monocytogenes were detected in student meals collected from various districts and counties in Zibo city from 2015 to 2024,and evaluated according to relevant standards.Result:The overall unqualified rate of 354 student meals tested from 2015 to 2024 was 4.80%,and the unqualified rate of Escherichia coli was 0.85%.The unqualified rates of Staphylococcus aureus,Salmonella and Listeria monocytogenes were 1.98%,1.69%and 0.28%,respectively.There was no significant difference in the microbial contamination status of students meals in different food categories and school types in Zibo city from 2015 to 2024(P>0.05),and the unqualified rate of students meals in different sampling quarters had statistical significance(P<0.05).The unqualified rate of students meals in the second and third quarters was higher,which were 10.11%and 7.95%,respectively.Conclusion:There are different degree of microbial contamination in students meals in Zibo city,the main pathogenic bacteria are Staphylococcus aureus and Salmonella.Supervision should be strengthened in the second and third quarters.

关 键 词：学生餐 食品污染 食源性致病菌 监测 

分 类 号：S85[农业科学—兽医学]