Category Archives: Sulphites

What are sulphites in wine, and are they dangerous?

sulfites

What are sulphites in wine? Sulphites in wine are chemical compounds (sulphur dioxide, or SO2) that occur naturally, to a varying degree, in all types of wine. Because sulphites act as both a wine’s preservative and enhancer, many vintners purposely add sulphites at key moments of the winemaking process to quickly halt on-going fermentation or […]

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