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The Principle of Application of Vacuum Pack Pouches

2,166 Published by Fast Sincere Oct 23,2019

Vacuum pack pouches are not unfamiliar to us. Vacuum packaging bags are all used to seal out the air in the packaging container, keeping the bag in a highly decompressed state. The air is rare, which is equivalent to the low oxygen effect, so that the microorganisms have no living conditions to achieve fresh fruit. The purpose of no disease rot.

In daily production, some foods such as crunchy and fragile foods, foods that are easily deformed and oily, have sharp edges or high hardness, and will pierce vacuum bags and other foods. After being vacuum-filled, the vacuum pack pouches are filled with air pressure. It is strong under the pressure of the bag, which can effectively prevent the food from being crushed and deformed by pressure, and does not affect the appearance of the bag and the printing and decorating. What is the principle of its use?

The Principle of Application of Vacuum Pack Pouches

1.After vacuum is taken, it is filled with nitrogen, carbon dioxide and other gases. Nitrogen is an inert gas and acts as a filling to maintain a positive pressure using vacuum pack pouches to prevent air outside the bag from entering the bag. It plays a protective role, and carbon dioxide has the activity of microorganisms such as mold and spoilage bacteria.

2.the oxygen in the packaging bag and food cells are removed, so that the micro-objects lose their living environment. When the oxygen concentration in the package is ≤1%, the growth and reproduction rate of microorganisms drops sharply. When the oxygen concentration is ≤0.5%, most microorganisms will be inhibited and stop breeding.

3.vacuum deoxidation In addition to inhibiting the growth and reproduction of microorganisms, another important function is to prevent food oxidation, because oily foods contain a large amount of unsaturated fatty acids, oxidized by the action of oxygen, so that food tastes, deteriorates, in addition, oxidation It also causes loss of vitamins A and C, and unstable substances in food pigments are affected by oxygen to darken the color. Therefore, oxygen scavenging can effectively prevent food from spoiling and maintain its color, aroma, taste and nutritional value.

Vacuum Pack Pouches

Because the vacuum pack pouches can effectively protect the food from damage, it has been widely welcomed by people. The vacuum pack pouches is also used frequently in the mouth. For some food packaging, the packaging of cotton products also has certain application. .

In short, the application of vacuum bags is very extensive, it embodies all aspects of our lives. However, one thing to keep in mind is that the fruit is a fresh food, it is still breathing, and high oxygen deficiency can cause physiological diseases. Therefore, the fruit is less vacuum-packed.

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