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What foods are vacuum packaged? Urgent~

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compressed biscuits are vacuum packed and can fill your stomach, but not everyone likes their taste. There is also a kind of self heating rice and vegetables, which tastes good. It was first prepared for field soldiers, and now it is sold in supermarkets.

pig feet and chicken feet are vacuum packed

it’s very simple. The so-called vacuum packaging means that there is no gas in the packaging, and there is gas in non vacuum packaging. Understand?
it’s much more convenient for you to buy things. Remember, don’t buy those with gas, and you can buy those without gas

vacuum packaged food, also known as decompression packaging, is to extract and seal all the air in the packaging container to maintain a high decompression state in the bag. The lack of air is equivalent to the effect of low oxygen, so that microorganisms have no living conditions, so as to achieve the purpose of fresh fruits and no disease and rot. At present, there are vacuum packaging in plastic bags, aluminum foil packaging, glassware, plastic and composite packaging, etc. Packaging materials can be selected according to the type of articles. As fruits are fresh food, they are still breathing, and a high degree of hypoxia will cause physiological diseases. Therefore, less fruits use vacuum packaging.


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