Calcium phosphate is mainly used as an antioxidant but it can also be used as an acidity regulator, anti-caking agent, emulsifier, firming agent, raising agent, sequestrant, stabilizer or thickener.

The term magnesium phosphate is the generic name for inorganic magnesium salts derived from phosphoric acid.

Polyphosphates are chemical compounds belonging to the polyphosphate family. They are used in various industrial applications, including the food industry.

Sodium phosphate is mainly used as an antioxidant but it can also be used as an acidity regulator, emulsifier, humectant, raising agent, sequestrant, stabilizer or thickener.

Potassium orthophosphate is a potassium salt of orthophosphoric acid. It consists of potassium ions (K⁺) and phosphate ions (PO₄³⁻).

E451, or triphosphate, is a food additive used in the food industry. This is the sodium salt of the penta anion polyphosphate, which is the conjugate base of triphosphoric acid.

Phosphoric acid is a mineral triacid. The first function is that of a strong acid, the second that of a weak acid, and the third that of a very weak acid. The three bases formed are dihydrogen phosphate (H2PO4-), hydrogen phosphate (HPO4^2-), and orthophosphate (PO4^3-)