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Vacuum packaging how to protect the goods?

Author:yltpacking    Time:17/06/14    Click:
1. Eliminate oxygen
Principle of preservation of vacuum packing is not complicated, one of the most important part is to remove oxygen in the packaging products.Just the oxygen within the packaging and food out seal again, avoid air into the, reflects the oxide will happen, so that to reach the effect of preservation.Use and the use of vacuum packaging machine is beneficial to prevent food spoilage, its principle, because food metamorphism causing mold mainly caused by the activity of microorganism, and most of the survival of microorganisms need oxygen, and vacuum packing is using this principle, the packaging and food within the cell oxygen smoke, lose microbial "survival environment".Vacuum packing can inhibit anaerobic bacteria breeding and enzyme reaction caused by food metamorphism and discoloration, so still need to combine with other auxiliary methods, such as cold storage, frozen, dehydrated, high temperature sterilization, irradiation sterilization, microwave sterilization, salting, and so on.
2. Prevent oxygen
Because of the oil kind food contains a lot of unsaturated fatty acid, by the effect of oxygen oxidation, sour food, deterioration.In addition, the oxidation also make vitamin A and vitamin C loss, food pigment in the volatile substances by the role of oxygen, make the color darker.
3. The appropriate aeration
In addition to the main function of vacuum packaging quality of deoxidization function, main and compressive strength, the air resistance, the preservation effect, can more effectively to make food for a long time to keep the original color, aroma, taste, shape, and nutritional value.
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