Food preservatives are a type of food additives that prevent food spoilage due to the action of microorganisms and prolong the shelf life of food. Its anti-corrosion mechanism is mainly to reduce the water activity of the product, reduce the PH of the product, act on the specific structural parts of the microorganism, destroy the growth of the microorganism or the normal progress of the metabolic system, thereby inhibiting the growth of the microorganism and prolonging the shelf life of the product.

fumaric acid is an important organic basic chemical raw material and fine chemical product. Food-grade fumaric acid is mainly used as an acidity regulator, and can also be used as an anti-thermal oxidation aid, a pickling accelerator, an antifungal agent, a preservative, and a spice. What is the agr

citric acid is the largest organic acid produced by biochemical methods in the world. citric acid and salts are one of the pillar products of the fermentation industry and are mainly used in the food industry, such as acidulants, solubilizers, buffers, antioxidants, Deodorant, flavor enhancer, gelling agent, toner, etc.

The chemical formula of aspartame is C14H18N2O5. It is available at room temperature as a white powder. It is a natural functional oligosaccharide with high sweetness, does not melt easily and is caries-free. It can be eaten by diabetics.