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U.S. Develops Plastic Films to Extend Food Preservation
U.S. researchers put a layer of plastic film containing a chemical called Amosorb into the food packaging bag to eliminate oxygen in the package and make the packaged food not degenerate for a long time. The chemical substance is in a dormant state until it is irradiated with special light waves. Chemical effects begin to appear when exposed to special light waves. This means that in the packaging of foods, there is no need for complicated deoxygenation treatment, as long as it is irradiated with special light waves in the final process of food packaging.