1, excluding the packaging container part of the air (oxygen), can effectively prevent food spoilage.
2, the use of barrier (air tightness) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the exchange of the contents of the packaging material, you can avoid food weight loss, odor, but also to prevent secondary pollution.
3, vacuum packaging container internal gas has been ruled out to accelerate the heat conduction, which can improve the heat sterilization efficiency, but also to avoid the heat sterilization, due to the expansion of the gas leaving the packaging container rupture.
In the food industry, vacuum packaging applications are very common, all kinds of cooked products such as chicken, ham, sausage, grilled fish, beef jerky, etc .; pickled products such as pickles and soy products, preserved fruit and other needs fresh food More and more vacuum packaging. After the vacuum packaging of food preservation period is long, greatly extend the shelf life of food.
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