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The role of food packaging has always been a favorite of people, and food packaging is more important.

1. Protecting food and extending its shelf life

(1) Protecting the appearance quality of food produces certain economic benefits

Throughout the entire circulation process, food needs to be handled, loaded, unloaded, transported, and stored, which can easily cause damage to the appearance and quality of the food. After the food is packaged inside and outside, it can be well protected to avoid damage.

(2) Protecting the original quality of food and extending its shelf life

Throughout the entire circulation process, the quality of food can change and deteriorate.

Food itself has a certain amount of nutrients and moisture, which is the basic condition for the production and reproduction of bacteria, mold, yeast, etc. When the temperature of food preservation is suitable for their reproduction, it can lead to food spoilage and spoilage. If food is packaged aseptic or subjected to high-temperature sterilization, refrigeration, and other treatments after packaging, it will prevent the occurrence of food spoilage and extend the shelf life of the food.

At the same time, food itself has a certain amount of water, and when the content of these water changes, it will lead to changes or deterioration in the flavor of the food. If corresponding moisture-proof packaging technology is adopted, the occurrence of the above phenomenon can be prevented and the shelf life of food can be effectively extended.

Furthermore, food is prone to oxidation during circulation, when exposed to direct sunlight and light, and at high temperatures. Discoloration, odor change, and other phenomena, such as the use of corresponding vacuum packaging, inflatable packaging technology, and corresponding packaging materials. It can also effectively extend the shelf life of packaged food.

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