Sulfur is a chemical element that is used in oenology for its burning properties to burn in the air to form sulfur dioxide which is useful also as an antioxidant and antiseptic. It has many uses in viticulture.
1. A mixture of sulfur, lime and water is sprinkled on the grapes to prevent mould, mildew and disease.
2. It is used to clean and sterilize the winemaking equipment.
3. Sulphur dioxide is added to wine as a preservative and to prevent microbiological instability during the winemaking process. Moreover, sulfur prevents unwanted secondary fermentation in sweet wines.
