Food-Info.net> E-numbers > E400-500
E450 Potassium and sodium di-phosphates
E450(i) Di sodium di phosphate (di sodium pyrophosphate)
E450 (ii) Tri sodium di phosphate
E450 (iii) Tetra sodium pyrophosphate
E450 (v) Tetra potassium pyrophosphate
E450 (vi) Calcium di hydrogen di phosphate
E450b and E450c are renamed as E451 and E452
Salts of sodium/potassium/calcium with phosphates. All are produced synthetically from the respective carbonates and phosphoric acid.
Function & characteristics:
Buffers and emulsifiers. E450 (iii) also binds metals and prevents discoloration due to metals. E450 (vi) is also used as bread enhancer and calcium supplement.
Many different products.
Acceptable Daily Intake:
Up to 70 mg/kg bodyweight for all phosphate containing additives
None known when used in foods. High concentrations of phosphates may disturb several metabolic processes as phosphate plays an important role in general metabolism.
E450 can be consumed by all religious groups, vegans and vegetarians.