Preservatives are a kind of additives that cannot be bypassed in meat products. Currently, there are chemical compound types, biological types, and natural ingredient types with better effects on the market. Since preservatives can be added at different times, and are basically added together with other excipients, there are some precautions when adding and using them.

　　First of all, no matter what kind of preservative, it has a fixed pH value, whether it is alkaline, acidic, or neutral, so in the process of using it, we must pay attention to whether there is a conflict in the pH value of the use environment. For example, the product of pickled pepper and chicken feet has a hot and sour flavor, so it is necessary to use an acidic preservative. If an alkaline preservative is added, the preservative will neutralize the juice of the pickled pepper and chicken feet, thereby greatly reducing The antiseptic effect of the product is not only useless, but also affects the flavor of the product itself.

　　Secondly, meat products have multiple process periods in the production process, such as: marinating, marinating, soaking, and seasoning. It is suitable to add preservatives during these periods. However, not every meat product has this There are several process nodes, so choosing a suitable additional node will also have different effects on the anti-corrosion effect. Preservatives need to penetrate into the inside or form a layer of anti-corrosion film on the surface to achieve anti-corrosion effect.

　　In addition, the addition of preservatives also increases the cost, so it is necessary to choose suitable preservatives for products with different grades, different profit points or different selling points, of course, under the premise of achieving the antiseptic effect. Apply appropriate preservatives to appropriate products to achieve good anti-corrosion effects at low anti-corrosion costs.

　　The use of preservatives is a relatively complicated node, and the anti-corrosion system of the entire product is a complicated process. Only by selecting the appropriate preservatives and applying them in a reasonable process can the expected anti-corrosion effect be achieved to a greater extent.