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Phosphoric acid, also known as orthophosphoric acid, is a common inorganic acid with a chemical formula of H3PO4. Not volatile, not easy to decompose, almost no oxidation. It has acidity and is a ternary weak acid. Its acidity is weaker than hydrochloric acid, sulfuric acid, and nitric acid, but str

Food nutritional fortifiers refer to natural or synthetic food additives that artificially increase nutrients and are added to foods, and fall within the scope of natural nutrients. Food fortification was originally proposed as a solution to a public health problem.

Food additives refer to chemically synthesized or natural substances added to food for the purpose of improving food quality, color, aroma, and taste, as well as for the needs of antisepsis and processing technology.

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.