Many people believe that when food is wrapped in plastic wrap and put into the refrigerator, the food is not only difficult to taste, but it also extends the shelf life. However, many netizens have recently forwarded the message that "cover watermelon covered with cling film, bacteria can be increased by 10 times." Many consumers can't help worrying. On July 23, Dr. Zhang Xia of the Department of Gastroenterology of the Provincial People's Hospital said in an interview with reporters that not all foods are suitable for preservation with plastic wrap. It is best not to wrap plastic wrap when leftover watermelon is placed in the refrigerator.
Dr. Zhang said that the preservation of watermelon using plastic wrap is worse than without plastic wrap. Watermelon has bacteria and microorganisms on the surface before it is wrapped in a plastic wrap. If the air-permeable and water-permeable functions of the cling film are not good, these microorganisms or bacteria will multiply faster. Although cling film can prevent cross-infection of odor and bacteria, the cling film is too thick to cause food to “breathe†and anaerobic fermentation leads to spoilage. “The leftover watermelon can be directly put into the cold room, and after removing it, it is first cut off a thin layer of the surface and then eaten, because the bacteria are mainly concentrated on the surface. The watermelon is best to buy and eat now, and it must not be stored in the refrigerator. More than 24 hours.If the knife and the cutting board of watermelon can be simmered with boiling water, it will also kill a certain amount of bacteria, and it will be safer and safer to eat,†Dr. Zhang reminded. Wang Yong
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