Excluding some air (oxygen) in the packaging container, it can effectively prevent food spoilage.
The use of barrier (airtightness) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the exchange of packaging substances, can avoid food weight loss, odor loss, and prevent secondary pollution.
The gas inside the vacuum packaging container has been removed, accelerating the heat transfer, which can improve the thermal sterilization efficiency, but also avoid heating sterilization, because of the expansion of gas packaging container rupture.
