... Bakery industry ,such as in Bread, Biscuit. Sodium Acid Pyrophosphate(SAPP Food Additive) Chemical Names: Disodium Dihydrogen Diphosphate,Disodium Dihydrogen PyrophosphateMolecule ... ) / mg/kg ≤1Iron((Fe) /mg/kg ≤30Application: Bread, Biscuit, ect SAPP