Sulfites are a substance derived from sulfur that is produced naturally during the metabolism of yeasts in fermentation. The origin can therefore be natural or added later.Why are sulfites sometimes added to wines?Because they have an antioxidant function, that is, they help the wine not to oxidize and last longer. Because they also have an antimicrobial function, that is, they inhibit the development of microorganisms.According to the legislation, sulphites can be added to all wines:
