Sodium hydrosulfite (E222) – what is it?
Sodium hydrosulfite, also known as E222, is a chemical compound used as a preservative in the food industry. This substance, which belongs to the sulfite group, is designed to prolong the freshness of products by preventing the growth of bacteria, mold and yeast. Thanks to its antioxidant properties, E222 also effectively protects the color and flavor of many food products.
Its use is regulated by law, which specifies the maximum permissible concentrations of this substance in food to ensure that it is safe for consumption by consumers.
Properties of sodium bisulfite
Sodium bisulfite is characterized by strong antioxidant and preservative effects. It effectively prevents the oxidation of food ingredients, which is crucial in preserving their quality and extending their shelf life. In addition, E222 is effective in inhibiting the growth of microorganisms, which contributes to protection against food spoilage and contamination.
Uses of sodium bisulfite
This compound is widely used in the food industry, mainly as a preservative. It is used in wines, dried fruits, fruit juices, as well as in some meat and vegetable products to prevent them from turning brown and losing their freshness. E222 can also be used in the pharmaceutical and cosmetic industries as a preservative.
Where to buy sodium bisulfite?
Sodium bisulfite is available in specialty stores with raw materials for the food industry and online stores offering chemicals and food additives. However, it is worth remembering that its use at home requires strict adherence to dosage recommendations to avoid negative health effects.
Sodium hydrosulfite and its functions in food
E222 is a valuable food additive for preserving freshness, flavor, color and preventing spoilage of food products. Its antioxidant and preservative properties make it indispensable in the production of many foods. However, it is important for food manufacturers to comply with regulations on the maximum permissible concentrations of E222, thus ensuring the safety and health of consumers.