The use rate of food packaging bags in everybody's life is very high. The quality of food packaging bags can directly affect people's health. Therefore, food packaging bags must meet certain practical requirements in order to be used in a wider range. Then, what practical requirements should food bags meet?
1. Increase the variety of convenience foods
Convenient to the convenience foods that consumers have, with local flavor, it can only be circulated after being packaged. It enables local famous foods to communicate and increase people's daily food types.
In addition, fresh foods such as quick-frozen dumplings, packaged meals, and preservation techniques can be easily consumed by people.
2, packaged food is easy to circulate
Some packages are food containers. Bottled wines, beverages, canned cans, field filled milk powders, etc. These packaged bottles, cans and bags are both packaging containers. They are also used for food distribution and sales. It brings great convenience to food circulation.
3, to 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 person's hands, and it is easy to make the food contaminated. After the packaged food can avoid this phenomenon, it is beneficial to the health of consumers.
4, protect the appearance of food quality has a certain degree of economic benefits
During the entire circulation process of food, it must be handled, handled, transported and stored, which can easily cause damage to the appearance of the food. After the food is packed inside or outside, it can be well protected to prevent damage.
5, to promote the rationality and planning of food circulation
Some fresh foods are easy to spoil and deteriorate, and they are not easily transported along the far side. Fruits and aquatic products, for example, can be made into various kinds of cans in the production areas. This can reduce waste, reduce transportation costs, and promote the rationality and planning of food circulation. .
6, protect the original quality of food, extend the shelf life of food
During the entire circulation of food, its quality will change and deteriorate. The food itself has a certain amount of nutrients and moisture, which is the basic conditions for the production and reproduction of bacteria, mold, yeast, etc. When the temperature of food preservation is suitable for them to reproduce, it causes the food to spoil. If foods are packaged in aseptic packaging or processed for high temperature sterilization or refrigeration, they will prevent food spoilage and extend the shelf life of foods.
At the same time, the food itself has a certain amount of water. When the content of these waters changes, it will lead to changes or deterioration of food flavor. If the corresponding moisture-proof packaging technology is used to prevent the occurrence of the above phenomenon, it effectively extends the shelf life of the food.
Furthermore, when food is in circulation, when it is exposed to direct sunlight and light, and at high temperatures, it is easy to cause food oxidation, discoloration, and taste change, such as the use of vacuum packaging, air-packing, etc., and corresponding packaging. Materials. It can also effectively extend the shelf life of packaged foods.