Food packaging bags are used at a very high rate in everyone’s life. The quality of food packaging bags can directly affect people’s health. Therefore, food packaging bags must meet certain practical requirements before they can be used in a wider range. So, what practical requirements should food packaging bags meet?
1. Increase the variety of convenience foods
The convenience food that is convenient for consumers has a local flavor, and it can be circulated only after being packaged. It enables the exchange of famous and high-quality food from various places and increases the variety of people’s daily food.
Furthermore, fresh food, such as quick-frozen dumplings, packaged meals and preservation techniques, can be easily eaten by people.
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 packaged bottles, cans and bags are not only packaging containers, but also transfer tools for food circulation and sales. It brings great convenience to food circulation.
3. To prevent food contamination, convenient cooking food adopts special packaging technology
When food is in circulation, it must be in contact with containers and human hands, which is easy to contaminate the food. The packaged food can avoid this phenomenon, which is beneficial to the health of consumers.
4. Protecting the appearance and quality of food produces certain economic benefits
During the whole circulation process of food, it has to be handled, loaded and 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, the food can be well protected to avoid damage.
5. Promoting the rationality and planning of food circulation
Some fresh foods are easy to spoil and deteriorate, and are not easy to be transported far away, such as fruits and aquatic products, etc., can be made into various canned foods at the place of origin, which can reduce waste, reduce transportation costs, and promote the rationality and planning of food circulation. .
6. Protect the original quality of food and prolong the shelf life of food
During the entire circulation process of food, its quality will change and deteriorate. Food itself has certain nutrients and moisture, which are the basic conditions for the production and reproduction of bacteria, mildew, yeast, etc. When the temperature of food storage is suitable for their reproduction, it will cause food spoilage. If the food is aseptically packaged or subjected to high temperature sterilization, refrigeration and other treatments after packaging, it will prevent the occurrence of food spoilage and prolong the shelf life of the food.
At the same time, the food itself has a certain amount of water. When the content of these water changes, it will lead to the change or deterioration of the food flavor. If the corresponding moisture-proof packaging technology is used, the above phenomenon can be prevented, and the shelf life of food can be effectively extended.
In addition, when food is in circulation, when it is directly irradiated by sunlight and light, and at high temperature, it is easy to oxidize, discolor, taste and other phenomena, such as the use of corresponding vacuum packaging, inflatable packaging and other technologies and corresponding packaging. Material. It can also effectively extend the shelf life of packaged food.