What is the principle of vacuum packaging machine? It is very easy.
The vacuum packaging machine is to put the food into the packaging bag, and the air in the packaging bag is taken out to reach a predetermined vacuum degree, and then the sealing process is completed.
The main purpose of vacuum packaging is to remove oxygen, conducive to preventing food spoilage, the principle is relatively simple, because the deterioration of food mold is mainly caused by the activity of microorganisms, and the survival of most microorganisms requires oxygen. Vacuum packaging uses this principle to remove oxygen from the inside of the package and food cells, so that the micro-objects lose their “survival environment", thereby extending the shelf life.
In addition to inhibiting the growth and reproduction of microorganisms, vacuum packaging is another important function to prevent food oxidation. Because oils and fats contain a large amount of unsaturated fatty acids, they are oxidized by the action of oxygen, which makes foods taste and deteriorate. In addition, oxidation also causes loss of vitamins A and C. The unstable substances in food pigments are affected by oxygen, making color darken. Therefore, vacuum packaging can effectively prevent food from spoiling and maintain its color, aroma, taste and nutritional value.
The main function of vacuum packaging is not only the anti-oxidation and quality preservation functions of vacuum packaging, but also the functions of anti-pressure and preservation, which can effectively maintain the original color, fragrance, taste, shape and nutritional value of food for a long time.
In fact, the principle of vacuum packaging machine is very simple, the operation method is also very simple, if you want to know more details, please contact us.