E451 - Triphosphate

E451 - Tripolyphosphate

E451, or tripolyphosphate, is a food additive used in the food industry. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid.

Function:

Processing agent, sequestrant, pH regulator, stabilizer.

Common Uses:

• Processed Meats: It is used to enhance the texture, juiciness, and water retention in processed meat products, such as sausages and hams.
• Seafood Products: Employed in seafood products to improve texture and extend shelf life.
• Bakery Products: It can be used in certain bakery applications to enhance product texture.
• Dairy Products: In some dairy products, it may be used as a sequestrant.

Interaction with Proteins:

• Tripolyphosphates have the ability to form bonds with proteins, thereby improving water retention and the texture of food products.

Color Stabilizer:

• Tripolyphosphate can also act as a color stabilizer in certain food products.

Regulation:

• The use of tripolyphosphate in the food industry is regulated by health authorities. Quantitative limits may be established to ensure safe use.

Product Labeling:

• Food products containing tripolyphosphate must indicate the presence of E451 on their labeling in accordance with applicable regulations.