Healthy diet: What foods can not be preserved with plastic wrap?
The cling film is a very useful stuff in daily life. Simply cover the food with a plastic wrap to ensure the freshness of the food, increase the time for food storage, and avoid worrying about eating corrupt food. However, not all foods can use cling film. A recent study from the United States showed that some foods use plastic wrap, but they can produce harmful substances that affect their health.
Fruits and vegetables with higher moisture content are more suitable for cling film, such as apples, pears, tomatoes, canola, quail yellow, etc., not only can keep freshness, but also increase some of the nutrients. Experiments show that 100 grams of glutinous rice cake wrapped with plastic wrap, after 24 hours, the vitamin C content was 1.33 mg more than when it was unwrapped, and rape and lettuce leaf were 1.92 mg more.
Cooked foods, hot foods, foods containing oils, especially meats, are best not to be packaged and stored in cling film. When these foods come into contact with the cling film, it is easy to evaporate the chemical components contained in the material and dissolve into the food, which is not good for health.
Most plastic wraps currently on the market are made from ethylene masterbatch as well as common plastic bags. Some cling film material is polyethylene (abbreviated as PE), this material does not contain plasticizers, and is relatively safe to use; some materials are polyvinyl chloride (abbreviated as PVC), which often includes stabilizers and lubricants. Raw materials such as auxiliary processing agents are harmful to the human body. Therefore, we must be cautious in our choice.
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