A lot of the current
packaging machine using in each aspect, food packages installed since needless to say, the use of food packages installed shelf life is a constant topic.
In the early period of the different kinds of food, or a different process, after the packing room temperature storage time is not the same.
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.
is not to say that the vacuum packing of the products we will be able to extend the shelf life of products, it is also related to the production of high-temperature cooking process equipment.
Different manufacturer process, high temperature cooking equipment is different also.
To extend the vacuum packing food shelf life, we must adopt special high pressure cooker, after high temperature auxiliary function, such as meat with food packages installed shelf life can be extended to two years of bad quality time.
of course, the need to preserve food, temperature, sunlight, high temperature environment, will reduce the food shelf life.
gas switch installed according to each factory production process is different, have different functions, have a plenty of air in the box out first, then by filling the need of inert gases, high purity of the inert gas will be some, this is called gas displacement;
The other is a gas exchange, namely the machine before sealing vacuum and air at the same time, this kind of packing speed faster, but obvious drawbacks, a waste of inert gas two filling the inert gas purity is not high.
fresh pork, beef, lamb, fresh packing box lock, with eighty percent oxygen and twenty percent carbon dioxide, 7 - fresh cycle
9 days;
fresh poultry box lock packaging by seventy percent nitrogen and thirty percent carbon dioxide, food packages installed 7 - shelf life
9 days or so;
cooked fresh air box lock seventy percent nitrogen, thirty percent carbon dioxide, food packages installed 12 - shelf life
15 days.
fresh packaging fast food lunch box lock filling the one hundred percent nitrogen as more of filling gas, food packages installed shelf life is 5 days;
bread fresh packing box lock filling the one hundred percent more carbon dioxide to fill gas, food packages installed shelf life of about 30 days;
fresh fish and shrimp can filling the thirty percent nitrogen thirteen percent oxygen and fifty-seven percent carbon dioxide, food packages installed shelf life of 15
About 30 days;
fresh fruits and vegetables fresh air lock packaging using ninety percent nitrogen and five percent of the oxygen plus five percent of carbon dioxide, according to the different kinds of products the preservation period.
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