Food has always been preferred, and food packaging is more important.
1. Protect food and extend the shelf life of food
(1) Protecting the appearance quality of foods to produce certain economic benefits
Foods are transported, handled, transported and stored throughout the circulation process, which may cause damage to the appearance quality of food. After the food is packaged inside and outside, the food can be well protected from damage.
(2) Protecting the original quality of food and extending the shelf life of food
The quality of food changes and deteriorates throughout the circulation.
The food itself has certain nutrients and moisture. This is the basic condition for the production and reproduction of bacteria, mildew, yeast, etc. When the temperature of food preservation is suitable for their reproduction, the food will be spoiled and deteriorated. If the food is aseptically packaged or packaged for high temperature sterilization, refrigeration, etc., it will prevent food spoilage and prolong the shelf life of the food.
At the same time, the food itself has a certain amount of water, and when the content of the water changes, it will cause changes or deterioration of the flavor of the food. If the corresponding moisture-proof packaging technology is adopted, the above phenomenon can be prevented, and the shelf life of the food is effectively extended.
In addition, when the food is in circulation, when it is directly exposed to sunlight and light, and at high temperatures, it is easy to cause oxidation, discoloration, odor, etc. of the food, such as the corresponding vacuum packaging, inflatable packaging and other technologies and corresponding packaging. Material. It can also effectively extend the shelf life of packaged foods.
2 packaged food is convenient for circulation
Some packages are containers for food circulation. Such as bottled wine, beverages, canned food, field-packed milk powder, etc., these packaging bottles, cans and bags are not only packaging containers, but also the transfer and sale of food. It brings great convenience to food circulation
3. Increase the variety of convenient foods, convenient for consumers to have convenient foods, have local flavor, it can only be circulated after being packaged, so that local famous foods can communicate and increase people’s daily food types.
Moreover, fresh foods, such as quick-frozen dumplings, packaged meals and preservation techniques, can be easily eaten by people.
4. Prevent food contamination, convenient cooking food, using special packaging technology
When the food is in circulation, it must be in contact with the container and the human hand, which is easy to cause the food to be contaminated. The packaged food can avoid this phenomenon and is beneficial to the health of the consumer.
5. Promote the rationality and planning of food circulation
Some fresh foods are prone to spoilage and are difficult to transport at a distance. For example, fruits and aquatic products, such as canned food, can reduce waste, reduce transportation costs, and promote the rationality and planning of food circulation. .
6. Promote food competition and increase food sales