Where do natural preservatives come from
Do you know that there are natural preservatives in animals too? Since most of the preservatives currently used are synthetic, excessive use will cause certain damage to the human body. Therefore, my country has strict regulations on the use of preservatives, and it is clear that preservatives should meet the following standards: reasonable use is harmless to human health; does not affect the flora of the digestive tract; can be degraded into the normal components of food in the digestive tract; does not affect special It is the use of antibiotics; no harmful components are produced when heat-treating food. So far, my country has only approved 32 types of food preservatives that are allowed to be used. Preservatives are divided into chemical preservatives and natural preservatives. Chemical preservatives are divided into two categories: inorganic and organic preservatives. Among them, organic preservatives include benzoic acid and its sodium salts, sorbic acid and its sodium salts, propionic acid and its sodium and calcium salts, parabens, dehydroacetic acid, sodium diacetate, etc.; inorganic preservatives include Carbon dioxide, sulfite, metabisulfite, sulfur dioxide, ammonium salt, etc. Natural preservatives are usually substances extracted from the metabolites of animals, plants and microorganisms (719 Green Food Network).
1. Protamine: Protamine is a strong alkaline protein derived from protamine cells, which not only contains arginine, but also has good antibacterial ability and thermal stability. Widely used in the production of various foods.
2. Propolis: Propolis has a good antioxidant effect, and can inhibit and kill various bacteria. At present, it is mainly used as a natural antioxidant for oils and other foods. In recent years, propolis has a certain medical value. After special processing, Become a natural chewing gum that protects teeth and eliminates tartar.
3. Chitosan: This natural preservative, also known as chitin, is a substance extracted from crabs and insect crabs. It has a strong inhibitory effect on various bacteria and does not affect the taste of food.
The natural food preservative products in animals have been introduced. If you want to know more about preservatives, please continue to pay attention to our website!
