Potassium pyrosulfite (E224) – what is it?
Potassium pyrosulfite, also known as E224, is an organic chemical compound that is the potassium salt of sulfuric acid. It is characterized as a white powder or crystalline granules that are well soluble in water, exhibiting strong antioxidant and antibacterial properties.
This food additive is mainly used as a preservative, helping to extend the shelf life of food products by inhibiting the growth of bacteria, mold and yeast. E224 is also used as an anti-browning agent, preventing fresh fruits and vegetables from changing color.
Properties of potassium pyrosulfite
Potassium pyrosulfite acts as a powerful antioxidant and preservative. Its main advantage is its ability to prevent oxidation, which can lead to deterioration of the taste, color and nutritional value of food. In addition, by inhibiting the activity of microorganisms, it prolongs the shelf life of food products, ensuring the safety and quality of stored food.
Uses of potassium pyrosulfite
E224 is widely used in the food industry, including winemaking as an agent to prevent fermentation and the growth of unwanted microorganisms, as well as in the production of dried fruits, canned vegetables, fruit juices and other products where it is necessary to preserve freshness and color.
Where to buy potassium pyrosulfite?
Potassium pyrosulfite can be purchased in specialty stores with raw materials for the food industry, as well as in some pharmacies or online stores offering chemicals for preservation and production. It is important to purchase it from trusted suppliers to be sure of its quality and purity.
Potassium pyrosulfite and its functions in food
As a food additive, E224 plays a key role in preserving the freshness and quality of food products. Its use helps extend shelf life, prevent oxidation and preserve the natural color of food. Despite its benefits, it is worth keeping in mind the limitations and dosage recommendations to avoid possible negative health effects.
