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

1,2-Propanediol is an organic compound with the chemical formula C3H8O2, which is miscible with water, ethanol and various organic solvents. Under normal conditions, it is a colorless viscous liquid, almost tasteless, with a slightly sweet smell. Propylene glycol can be used as a raw material for un

Preservatives are a class of food additives that can inhibit microbial activity and prevent food spoilage. To make food have a certain storage period, certain measures must be taken to prevent microbial infection and reproduction. Practice has proved that the use of preservatives is one of the most

Humectants refers to a class of substances that can improve the stability of the product after being added during food processing, maintain the water holding capacity inside the food, and improve the shape, flavor, color, etc. of the food.