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The study found that the refrigerator contains 8,000 bacteria per square centimeter

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 The researchers found that the amount of bacteria in the refrigerator tray was 750 times the safe range considered. Among these bacteria are the potential killer bacteria E. coli, Salmonella and Listeria.
 Samples collected in the salad trays of household refrigerators at 30 temperatures below freezing point were found to be surprisingly high in bacteria, with an average of 7,850 bacteria per square centimeter. Some samples collected from it contained up to 129,000 bacteria per square centimeter. Standard EC recommendation, the amount of bacteria in the “clean” food preparation and storage surface is 0 to 10 per square centimeter.
 Paul McDonell of Cannock, Staffordshire, England, commissioned the study. He said: "The purpose of using refrigerators is to keep food safe and minimize the chances of bacteria emergence and breeding. As the research shows, there are obvious safety hazards in some places in the refrigerator. The performance of the refrigerator is especially important in hot days, and the surrounding high temperature environment means that there is a high possibility of bacterial growth. Only the cleaning is often done, the refrigerator The low temperature environment can inhibit the growth of bacteria. If the bacteria stand in the refrigerator and you don't clean it often, their population will continue to grow."
Microban Europe said that although it is not currently part of the formal study, interesting feedback suggests that attitudes toward refrigerator cleaning are changing. McDonnell said: Some users often take out all the food, then wipe the inside of the refrigerator and clean the salad drawers one by one. However, some people never clean up, which may have hidden dangers for security.

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