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E451 Potassium and sodium tri-phosphates
E451 (i) Penta sodium tri phosphate (formerly designated E450b(i))
E451(ii) Penta potassium tri phosphate (E450b(ii))
Salts of sodium/potassium with phosphates. All are produced synthetically from the respective carbonates and phosphoric acid.
Function & characteristics:
Buffers, stabiliser and emulsifiers. Also used to retain water during processing.
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.
E451 can be consumed by all religious groups, vegans and vegetarians.