Do you know what sulfites are?

They are the antioxidant and the antimicrobial compounds contained in wine. The main function is to conserve it.

How do sulfites get into wine?

Naturally, this is because the fermentation of yeasts produces a small amount of sulfites or added to the wine by decision of the winemaker, as an additive.

Why are sulfites added to wine?

Some of the causes are:

  • Antioxidant effect, which consists of protecting the wine against oxidation
  • Antiseptic effect against yeasts, bacteria and other living microorganisms, controlling the population avoiding the development of unwanted new microorganisms.
  • Antioxidasic effect. It avoids the enzyme activity involved in oxidation.

In conclusion, wine sulphites are used in winemaking for its many benefits as preservatives and to control microbial attacks and, unless you are intolerant, you don´t have to worry about its presence.

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