Sulfur dioxide (E220) – what is it?

Sulfur dioxide (E220) is a chemical compound that occurs naturally in the atmosphere, but is also produced by man in industrial processes. It is a colorless gas with a pungent, irritating odor, well soluble in water, forming sulfuric acid.

As a food additive, E220 is valued for its preservative, antioxidant and antibacterial properties. It helps preserve the freshness of products, extending their shelf life and preventing the growth of mold and bacteria.

Properties of sulfur dioxide (E220)

Sulfur dioxide is known for its many beneficial properties, which make it widely used in the food industry. It acts as a strong preservative, preventing the growth of microorganisms that can lead to food spoilage. Its antioxidant effect also helps protect against oxidation, which is particularly important for fatty and oily products, protecting them from rancidity.

Uses of sulfur dioxide (E220)

E220 is used in many food industries, including wine, dried fruit, meat, and dairy products. It is also used as a preservative in fruit and vegetable preserves, juices, vinegars and many other products, where it helps preserve their color, flavor and freshness.

Where to buy sulfur dioxide (E220)?

Sulfur dioxide (E220) is available in powder or solution form at specialty food stores, as well as online. It can also be purchased as part of ready-made preservative blends tailored to the specific needs of food manufacturers.

Sulfur dioxide (E220) and its functions in foods

E220 has many important functions in food. As a preservative, it prevents the growth of microorganisms, which is crucial for food safety and consumer health. It also acts as an antioxidant, protecting foods from oxidation and preserving their quality. In addition, it helps maintain the natural color of food products, which is important for their visual appeal. Its use is regulated by food laws, which specify the permissible maximum amounts of the additive for specific products, ensuring its safe use.