The United States developed a new type of plastic bags

A scientific and technical staff of a vegetable company in the United States has developed a plastic fresh-keeping bag with a preservation time of up to three years. This kind of storage bag is a layer of plastic film on the inside of the ordinary plastic bag. The film contains chemical “deoxidizer”, which can absorb the oxygen that enters during the food packaging process, which makes the food decay microorganisms lack of Oxygen cannot survive.