Sulfur dioxide: locut. It is the famous SO2 or sulfur dioxide also known under the code E 220. Sulfur dioxide is the most widely used chemical additive in wine making. If its use today is very controversial, its contribution is nevertheless essential and beneficial. It has properties:
- anti-oxidants: protection of aromas and color,
- antiseptics: anti-yeast and antibacterial actions,
- acidifying ...
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