Experiments have shown that 100 grams of leek wrapped in plastic wrap has a vitamin C content of 1.33 mg more than that when it is not wrapped after 24 hours, and rape and lettuce leaves by 1.92 mg. However, the experimental results of some vegetables are quite different. After 100 grams of radish wrapped in plastic film is stored for one day, its vitamin C content is reduced by 3.4 mg, and beans are reduced by 3.8 mg. After cucumber is stored for one day and night, its vitamin C loss The amount is equivalent to 5 apples.

Cooked food, hot food, fat-containing food, especially meat, it is best not to use plastic wrap for storage. Experts point out that after these foods come into contact with the plastic wrap, it is easy to volatilize the chemical components contained in the material and dissolve into the food, which is harmful to health. Like the commonly used plastic bags, most of the cling films currently on the market are made of ethylene masterbatch. Some plastic wrap materials are polyethylene (referred to as PE), which does not contain plasticizers and is relatively safe to use; some materials are polyvinyl chloride (referred to as PVC), which often add stabilizers and lubricants , Auxiliary processing agents and other raw materials are harmful to the human body. Therefore, we must be careful in choosing.

Related searches: Dongguan environmental protection wire film | Dongguan wire film wholesale | Dongguan stretch film supply | Dongguan Zhiteng Plastic Products Company