Monitoring of foodborne pathogens in some ready-to-eat fruits and vegetables in Shanghai in 2021
Journal Title: Shanghai Journal of Preventive Medicine - Year 2023, Vol 35, Issue 1
Abstract
ObjectiveThe contamination of foodborne pathogens in ready-to-eat fruits and vegetables in Shanghai was analyzed to provide a scientific basis for food safetyï¼ risk assessment and related supervision.MethodsFrom June to September 2021ï¼ a total of 143 batches of 12 kinds of ready-to-eat fruits and vegetables such as lettuceï¼ chicoryï¼ and cherry tomatoes were collected from farmersâ marketsï¼ supermarketsï¼ and e-commerce platforms. The total number of bacterial coloniesï¼ Salmonellaï¼ Listeria monocytogenesï¼ Staphylococcus aureusï¼ Cronobacter spp. and Shiga toxin-producing Escherichia coli in the samples were tested according to National Food Contamination and Harmfulness Risk Monitoring Manual.ResultsAmong the 143 batchesï¼ foodborne pathogens were detected in 68 batchesï¼ with a total detection rate of 47.55% ï¼68/143ï¼. A total of 79 strains of foodborne pathogens were detected. The detection rate of Staphylococcus aureus was the highest ï¼32.87%ï¼ 47/143ï¼ï¼ followed by Cronobacter spp. ï¼20.98%ï¼ 30/143ï¼ï¼ Salmonella ï¼0.70%ï¼ 1/143ï¼ï¼ Listeria monocytogenes ï¼0.70%ï¼ 1/143ï¼ï¼ Shiga toxin-producing Escherichia coli ï¼0.00%ï¼. Furthermoreï¼ the detection rate was higher in different ready-to-eat fruits and vegetablesï¼ chicory ï¼17.33%ï¼ï¼ cucumber ï¼17.14%ï¼ï¼ cherry tomatoes ï¼16.00%ï¼ï¼ and honeydew melon ï¼15.38%ï¼ï¼ respectively. Meanwhileï¼ the contamination rate of pathogens in ready-to-eat fruits and vegetables from farmersâ marketsï¼ supermarketsï¼ and e-commerce platforms was relatively high.ConclusionReady-to-eat fruits and vegetables in Shanghai are contaminated by foodborne pathogens. The prevention and control of the contamination of post-harvest fruits and vegetables should be strengthened to reduce the risk of foodborne disease outbreaks.
Authors and Affiliations
QIN Xiaojie,LI Jiaming,SUN Tianmei,LIU Yangtai,WANG Xiang,LI Zhuosi,YANG Shuo,DONG Qingli,
Keywords
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