Analysis on contamination of Salmonella in food sold in Weifang city from 2016 to 2022
Objective To understand the status of Salmonella contamination and serotype trends in commercially available food products in Weifang city,Shandong province from 2016 to 2022,so as to provide data support for food safety risk as-sessment.Methods A total of 1 781 samples including 11 categories were collected in Weifang city from 2016 to 2022.Salmonella were isolated and inspected according to the"National Standard for Food safety GB4789.4:Food Microbiology Tests,Salmonella Tests".Results A total of 72 Salmonella-positive samples were detected in some com-mercially available food products in Weifang city from 2016 to 2022,with a total detection rate of 4.04％(72/1 781),and 78 strains of Salmonella were isolated.The highest detection rate of 13.8％(61/442)was found in meat and meat prod-ucts,and the dominant serotypes were S.enteritidis,S.Derby,S.Rissen,S.Typhimurium,S.London.The dominant sero-types of Salmonella from livestock and poultry were different;The highest detection rate was 6.90％(18/261)in 2019.Conclusion The food sold in Weifang city from 2016 to 2022 was contaminated with Salmonella to varying degrees inclu-ding raw poultry,livestock and other raw meat products and raw vegetables;The dominant serotypes were S.enteritidis,S.Derby,S.Rissen,S.typhimurium,S.London.
万方数据
维普
