Potassium sulfite (K2SO3) is a chemical compound which is the salt of potassium cation and sulfite anion. As a food additive it is often used as preservatives in wines (to prevent spoilage and oxidation), dried fruits, and dried potato products.
Potassium sulfite (K2SO3) is a chemical compound which is the salt of potassium cation and sulfite anion. As a food additive it is often used as preservatives in wines (to prevent spoilage and oxidation), dried fruits, and dried potato products.