What is the principle of packaging scale

What is the principle of the scale? It's easy. The vacuum packaging scale is to put the food into the packaging bag, and the air in the packaging bag is taken out to reach a predetermined degree of vacuum, and then the sealing process is completed. The main purpose of the vacuum packaging weigheris to remove oxygen, which is beneficial to prevent food spoilage. The principle is relatively simple, because the spoilage of food mold is mainly caused by the activity of microorganisms, and most microorganisms require oxygen to survive. Vacuum packaging uses this principle to remove oxygen from the inside of the package and from the food pool, causing the microscopic objects to lose their 'living environmentIn addition to inhibiting the growth and reproduction of microorganisms, vacuum packaging is another important function to prevent food oxidation. Since oils and fats contain a lot of unsaturated fatty acids, they are oxidized under the action of oxygen, which can stale and spoil the food. In addition, oxidation can lead to the loss of vitamins A and C. The unstable substances in food coloring can be affected by oxygen, which can darken the color. Therefore, vacuum packaging can effectively prevent food spoilage and maintain its color, aroma, taste and nutritional value. The main function of vacuum packaging is not only the anti-oxidation and fresh-keeping function of vacuum packaging, but also the function of anti-pressure and fresh-keeping, which can effectively maintain the original color, aroma, taste, shape and nutritional value of food for a long time.

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