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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

Origin:
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.

Products:
Many different products.

Acceptable Daily Intake:
Up to 70 mg/kg bodyweight for all phosphate containing additives

Side effects:
None known when used in foods. High concentrations of phosphates may disturb several metabolic processes as phosphate plays an important role in general metabolism.

Dietary restrictions:
E450 can be consumed by all religious groups, vegans and vegetarians.



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