Surveillance of major foodborne pathogens in raw poultry meat and prepared meat products in Shanghai City in 2022
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Shanghai Institute of Quality Supervision and Inspection Technology, Shanghai 200233, China

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R155

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    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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WANG Zhiwei, ZHANG Qingping, QU Qinfeng. Surveillance of major foodborne pathogens in raw poultry meat and prepared meat products in Shanghai City in 2022[J].中国食品卫生杂志,2024,36(1):56-60.

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History
  • Received:December 04,2022
  • Revised:
  • Adopted:
  • Online: April 09,2024
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