Phosphorus is an important mineral element necessary for the human body. The main source of phosphorus intake by the human body is natural food or food phosphate additives.

Calcium carbonate is an inorganic compound with the chemical formula CaCO₃, commonly known as limestone, limestone, stone powder, etc.

The structural formula of the phosphoric acid functional group in an acidic solution.

Phosphate is a naturally occurring form of elemental phosphorus and can be found in many phosphate minerals.

According to the US Food Chemical Pharmacopoeia (FCC), the functions of phosphates in the food industry can be divided into 15 categories

Phosphate binder refers to an inorganic material with acid orthophosphate or polycondensed phosphate as the main compound and has gelling properties.