Packaging bags are very widely used in everyone’s life, and food packaging bags are the most used. 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, Protect the appearance and quality of food and produce certain economic benefitsDuring 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. 2, Protect the original quality of food and prolong the shelf life of foodDuring 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 adopted, the above phenomenon can be prevented, and the shelf life of food can be effectively prolonged. .Furthermore, when the food is in circulation, it is easy to oxidize the food when it is directly irradiated by sunlight and light, and at high temperature..Discoloration, smell and other phenomena, such as the use of corresponding vacuum packaging, inflatable packaging and other technologies and corresponding packaging materials.It can also effectively extend the shelf life of packaged food. 3, Packaged food is convenient for circulationSome 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 both packaging containers.It is also a transfer tool for food circulation and sales. It brings great convenience to food circulation. 4, increase the variety of convenience foodConvenience food that is convenient for consumers, has a local flavor, and can only be circulated after being packaged.Make local famous food exchange, increase people’s daily food variety.Furthermore, fresh food, such as quick-frozen dumplings, packaged meals and preservation techniques, can be easily eaten by people. 5to prevent food contamination, convenient cooking food, using special packaging technologyWhen 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. 6, to promote the rationality and planning of food circulationSome fresh foods are easily perishable and deteriorated, and are not easy to be transported far away, such as fruits and aquatic products, etc., can be made into various cans at the place of origin, which can reduce waste, reduce transportation costs, and promote food flow.
- The difference between biodegradable bags and ordinary PLA stic bags January 30, 2023