Sulfites in Wine: What They Are and How They Affect You

Imagine for a moment that you have a beautiful bottle of 1982 Lafite Rotschild (valued at $4,349!). As you uncork it, you anticipate the cinnamon-spiced exotic notes of herbs and black currants delighting your palate and dancing across your tongue. You pour a glass, take a sip, and thrill to the taste of...vinegar?

Fortunately, this scenario is complete fiction. Why? Because that incredibly expensive bottle of wine contains sulfites. 

What Are Sulfites and Why Does Wine Contain Them?

Sulfites, also known as sulfur dioxide, are naturally occurring and an added preservative found in wine and many other foods and beverages. 

Naturally occurring sulfites are antimicrobial agents produced as a byproduct of yeast metabolism during fermentation. 

Sulfites added by vintners during the winemaking process preserve freshness and keep the wine from oxidizing

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