The vacuum packaging is a kind of packing method refers to the product was added to the air-tightness packaging container, removing the air inside of the container, within the sealed container reaches a predetermined degree. Vacuum pack bag is also known as vacuum packaging, all the air inside the packaging container seal out, to maintain the bag in a highly reduced pressure state, the air scarce is equivalent to the hypoxic effect, so that the microorganisms did not survive the conditions, to achieve the purpose of keeping the fruit fresh and no disease rot occurred. The current application of vacuum packaging bags have plastic bags, aluminum foil packaging and stand up pouch bags. The packaging materials can be selected according to the categories of items. Since the fruit is fresh food, it is still in the respiration state, the height hypoxia can cause physiological disorders, so fruit seldom uses vacuum packaging.
Development Vacuum Packaging Bags
Nowadays, vacuum packaging bags wholesale is very common in the market. And at present, vacuum packaging is mainly used for food packaging, such as meat, cereals, as well as easy to oxidative deterioration of food, can also be used for mechanical parts, instruments and feather products, hair products fluffy packaging products. With the gradual increase of the people's living standards, as well as the continuous improvement of the quality of life requirements, vacuum-packed in the lives of contemporary people have occupied an indispensable pivotal position, and it plays an irreplaceable role in people’s daily life.
Main Role of Vacuum Pack Bag
The main role of vacuum bags are to get rid of oxygen, to help prevent food spoilage, its principles are relatively simple, due to food mold rot metamorphism mainly caused by microbial activity, and the survival of most microorganisms need oxygen, while the vacuum packaging is Using this principle, the bag and food intracellular oxygen deprived the micro material was lost "living environment". Vacuum deaerator in addition to inhibiting the growth and reproduction of microorganisms, another important function is to prevent food from oxidation, due to the fats and oils in foods containing large amounts of unsaturated fatty acids, under the role of oxygen it will be oxidized, so that the food taste will turn bad. In addition, oxidation will lead to lose of vitamins A and C, the unstable substances in food coloring will darken under the function of the oxygen. Deaerator can effectively prevent the deterioration of food so that it can maintain its color, smell, taste and nutritional value.
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