Why Do We Vacuum Pack Food？

The main role of the vacuum packing machine is to remove the oxygen in the bag is conducive to prevent food deterioration, its principle is relatively simple, because the food moldy metamorphosis is mainly caused by microbial activity, and the majority of microorganisms (such as mold and yeast) survival Is the need for oxygen, and vacuum packaging is the use of this principle, the bag and food cells in the oxygen removed, so that microorganisms lose their living environment. Experiments show that: when the oxygen concentration in the bag ≤ 1%, the rate of microbial growth and reproduction of a sharp decline in oxygen concentration ≤ 0.5%, most of the microorganisms will be inhibited to stop breeding. (Note: vacuum packaging can not inhibit the reproduction of anaerobic bacteria and enzymatic reaction caused by food deterioration and discoloration, it also need to be combined with other ancillary methods, such as refrigeration, quick freezing, dehydration, high temperature sterilization, irradiation sterilization, microwave sterilization, salt pickled etc.)