Nano package

Add glutinous rice particles to packaging materials (such as plastics and composite materials) to produce odor-eliminating and sterilizing effects. Using this technology, nanoparticles can be added to refrigerators, greatly extending the shelf life of foods. Nanoparticles can also be added to paper, plastics, and composites for packaging foods, which can increase the shelf life of packaged foods. The chlorophyll “dyeing” of cling film German scientists recently invented a chlorophyll “dyeing” plastic film that can prevent chlorophyll oxidation in green foods and result in food rot, greatly prolonging the preservation time of green foods. Most green foods contain large amounts of chlorophyll, which undergoes photooxidation under light irradiation, leading to food rot. In order to prolong the food shelf life, traditional foods are either made of opaque packaging materials or vacuumed to isolate the food from oxygen. The former can not make customers choose intuitively, the latter is more complicated and the cost is relatively higher. Fraunhofer and Goldsmith, a scientist at the Institute of Packaging Technology, “stained” plastic films with chlorophyll in a special way. After the processed films are used to package foods, they can effectively “intercept” light that causes food to rot. , which greatly extended the food preservation period.

Source: Packaging Materials and Containers