Is potassium sulphite vegan?

Potassium sulphite is a food preservative that is commonly used to prevent the growth of bacteria and fungi. It is a white, crystalline powder with a slightly sulfurous odor and is soluble in water. Potassium sulphite is a source of sulfur dioxide, which acts as an antioxidant and antimicrobial agent. It is often added to dried fruits, wine, beer, and other fermented foods to extend their shelf life and maintain their quality. However, excessive consumption of potassium sulphite can cause adverse health effects, such as headaches, asthma attacks, and allergic reactions, especially in people who are sensitive to sulfites.