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PE fresh-keeping film has a wide range of applications in life, but who can really test it, the accurate use of PE fresh-keeping film, below to tell you about the PE fresh-keeping film test proven situation:
The results showed that after 24 hours, the vitamin C content of 100 grams of leek wrapped with fresh-keeping film was 1.33 mg higher than that of non-wrapped leek, and 1.92 mg more than that of rape and lettuce leaves. But the experimental results of some vegetables are quite different. After 100 grams of radish wrapped in fresh-keeping film stored for one day, its vitamin C content decreased by 3.4 mg, beans decreased by 3.8 mg, cucumber stored for one day and one night, its vitamin C loss is equivalent to 5 apples.
Cooked food, hot food, oily foods, especially meat, should not be stored in PE plastic wrap. It is pointed out that after the food is in contact with the PE cling film, it is easy to volatilize the chemical components contained in the material and dissolve it into the food, which is not good for health. The vast majority of PE cling film sold on the market, like the commonly used plastic bags, is made from vinyl masterbatch. Some cling film materials are polyethylene (referred to as PE), this material does not contain plasticizer, it is relatively safe to use; some materials are polyvinyl chloride (referred to as PVC), this material often adds stabilizers, lubricants Raw materials such as auxiliary processing agents have certain harm to the human body. Therefore, we must be careful in the choice.