2022年上海市生禽肉和调理肉制品中主要食源性致病菌监测
作者:
作者单位:

上海市质量监督检验技术研究院,上海 200233

作者简介:

王志伟 男 高级工程师 研究方向为食源性致病菌检测研究 E-mail:wangzw@sqi.org.cn

通讯作者:

曲勤凤 女 高级工程师 研究方向为食源性致病菌检测研究 E-mail:quqf@sqi.org.cn

中图分类号:

R155

基金项目:


Surveillance of major foodborne pathogens in raw poultry meat and prepared meat products in Shanghai City in 2022
Author:
Affiliation:

Shanghai Institute of Quality Supervision and Inspection Technology, Shanghai 200233, China

Fund Project:

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    摘要:

    目的 分析上海市市售生禽肉和调理肉制品中沙门菌、单核细胞增生李斯特菌及小肠结肠炎耶尔森氏菌等食源性致病菌的污染情况。方法 2022年1~8月,从上海市农贸市场、超市、餐饮店等环节采集样品348份,其中生禽肉240份,调理肉制品108份。按照食品安全国家标准分别对样品中的沙门菌、单核细胞增生李斯特菌和小肠结肠炎耶尔森氏菌的检测。采用VITEK2全自动微生物鉴定仪对可疑菌株进行生化鉴定,并对沙门菌分离株进行血清学分型。结果 生禽肉中沙门菌、单核细胞增生李斯特菌和小肠结肠炎耶尔森氏菌的检出率分别为28.33%(68/240)、5.00%(12/240)和0.83%(2/240);调理肉制品中沙门菌、单核细胞增生李斯特菌和小肠结肠炎耶尔森氏菌的检出率分别为5.56%(6/108)、28.70%(31/108)和1.85%(2/108);血清学分型结果显示,生禽肉中68株沙门菌分布于14种不同血清型,其中科瓦利斯沙门菌(35.29%)、鼠伤寒沙门菌(16.18%)和肠炎沙门菌(13.24%)占比较高,调理肉制品中6株沙门菌分布于3种不同血清型,分别为肠炎沙门菌(66.67%)、肯塔基沙门菌(16.67%)和鼠伤寒沙门菌(16.67%)。结论 上海市市售生禽肉和调理肉制品中沙门菌和单核细胞增生李斯特菌污染率较高,存在引发食源性疾病的风险,在后续的监管中应予以重点关注。

    Abstract:

    Objective To analyze the contamination of SalmonellaListeria monocytogenes L. monocytogenes), and Yersinia enterocoliticaY. enterocolitica) in raw poultry meat and prepared meat products in Shanghai City.Methods From January to August in 2022, 348 samples were collected from traditional markets, supermarkets, and restaurants in Shanghai City, including 240 raw poultry meat and 108 prepared meat products. The samples were evaluated for the presence of SalmonellaL. monocytogenes and Y. enterocolitica following national standard methods. All suspected isolates were further confirmed with the VITEK2 automatic biochemical identification method, and all Salmonella isolates were serotyped.Results The detection rates of SalmonellaL. monocytogenes and Y. enterocolitica in raw poultry meat were 28.33% (68/240), 5.00% (12/240), and 0.83% (2/240), respectively, and in prepared meat products were 5.56% (6/108), 28.70% (31/108), and 1.85% (2/108), respectively. Serotyping results showed that 68 strains of Salmonella were distributed in 14 different serotypes in raw poultry meat, of which Salmonella CorvallisSalmonella typhimurium, and Salmonella enteritidis accounted for 35.29%,16.18%, and 13.24%, respectively. Six strains of Salmonella in prepared meat products were distributed in three different serotypes. They were Salmonella enteritidisSalmonella Kentucky, and Salmonella typhimurium accounted for 66.67%,16.67%, and 16.67%,respectively .Conclusion The contamination rate of Salmonella and L. monocytogenes in raw poultry meat and prepared meat products in Shanghai City was high, which may cause foodborne diseases and more attention should be paid in the follow-up supervision.

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王志伟,张清平,曲勤凤.2022年上海市生禽肉和调理肉制品中主要食源性致病菌监测[J].中国食品卫生杂志,2024,36(1):56-60.

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  • 收稿日期:2022-12-04
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  • 在线发布日期: 2024-04-09
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