Potassium nitrite (E249)

Potassium nitrite (E249) – what is it?

Potassium nitrite, also designated as E249, is the potassium salt of nitrous acid. It is a white or colorless crystal with a characteristic slightly metallic taste. It is mainly used as a food additive to prolong the shelf life of food products by inhibiting bacterial growth and preventing fat oxidation.

Potassium nitrite is widely used in the food industry as a preservative and antioxidant.

Properties of potassium nitrite (E249)

Potassium nitrite has the ability to inhibit bacterial growth, which contributes to prolonging the shelf life of food products. In addition, it acts as an antioxidant, which helps prevent oxidation of fats in food products.

Uses of potassium nitrite (E249)

Potassium nitrite is mainly used as a food additive, especially in meat and sausage products, canned products and fish preparations. It is also used to preserve wines and as a leather impregnating agent.

Where to buy potassium nitrite (E249)?

Potassium nitrite (E249) is available in grocery stores, both stationary and online. It can be found in the food additives sections, usually in powder or granular form.

Potassium nitrite (E249) and its functions in foods

Potassium nitrite plays an important role in the food industry, allowing it to prolong the shelf life of food products by inhibiting bacterial growth and preventing the oxidation of fats. Its use contributes to maintaining the quality and freshness of products, which affects safety and consumer satisfaction.