How to prevent food packaging bags from corrosion?

　　In all links of commodity circulation, there is an opportunity to be polluted by mildewed microorganisms. If there are appropriate environmental conditions around, the commodities will be mildewed. Therefore, in order to protect the safe passage of commodities through the circulation area, it is necessary to carry out mildew resistant packaging for perishable commodities.

　　Anti mildew packaging technologies currently mainly include the following:

　　Anti mildew packaging technology of chemical agents

　　Chemical anti mold packaging technology is mainly a packaging technology that uses anti mold and anti-corrosion chemicals to properly handle the food and packaging materials to be packaged. Some preservatives are directly added to a certain production process, some are sprayed or smeared on the surface of goods, and some need to be soaked in preservatives for repackaging. However, this treatment will affect the quality and appearance of some commodities to varying degrees.

　　The bactericidal mechanism of the use of mildew and preservative is mainly to coagulate, precipitate and denature the cell protein. Some of them combine the cell enzyme system to affect the metabolism of the cell. Some of them reduce the surface tension of the cell and increase the permeability of the cell membrane to cause cell rupture or dissolution.

　　There are two major categories of antiseptic and mildew inhibitor: one is used for industrial products, such as carbendazim, sterilizer, etc; The other is used for food preservatives, such as benzoic acid and its sodium salt, tobuzin, etc. When using antiseptic and mildew inhibitor, products with high efficiency, low toxicity, convenient use, low price and easy to purchase shall be selected.

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