Food automatic vacuum
packaging machine equipment is how a device?
Is a kind of conveyor belt transmission of multistage continuous production equipment, manipulate it, simple maintenance, share extensive, low efficient.
food vacuum
packaging machine is the main function of oxygen, to help prevent food spoilage, its principle is simple, because food metamorphism causing mold mainly caused by the activity of microorganism, and most microorganisms (
Such as mold and yeast)
Survival is need oxygen, and vacuum packing is using this principle, the packaging and food within the cell oxygen smoke, lose microbial survival environment.
Experimental results show: when the concentration of oxygen in the bag as 1%, a sharp drop in microbial growth and reproduction rate, oxygen concentration, -
0.
5%, most microbes will be reined in and stop breeding.
(
Note: vacuum packaging machine vacuum packaging vacuum packaging 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.
)
Vacuum deaeration besides inhibiting microbial growth and reproduction, another important function is to prevent the oxidation of the food, because 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 C loss, food pigment in the volatile substances by the role of oxygen, make the color darker.
So oxygen can effectively prevent food spoilage.
Vacuum packing, in addition to vacuum packaging of oxygen quality 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.
There are many food is not suitable for the vacuum packaging machine vacuum packaging and vacuum packaging must be used.
Like crisp fragile food, nutrition food, easy deformation oil food, have sharp edges or high hardness will puncture food packaging bags, etc.
Food after vacuum packaging, packaging bags inside air pressure is greater than the atmospheric pressure outside packing bag, can effectively prevent food compression broken deformation does not affect the packaging and printing is installed in appearance.
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