Origin
To produce E 451, the starting material phosphoric acid is reacted with potassium or sodium under high heat influence.
Usage
Triphosphates are only permitted for certain foodstuffs in the European Union and are subject to specific different maximum quantity restrictions for each respective foodstuff. E 451 can be found in the following foods: ice cream, meat products, desserts, as well as melting cheese preparations.
Risks
Phosphates are considered risky and concerning substances. However, suspicions that E 451 promotes hyperactivity in children and osteoporosis could not be confirmed. The ADI value (Acceptable Daily Intake), i.e., the recommended daily dose, is set at 70 mg per kilogram of body weight.