Why is sulphur dioxide used by winemakers?

Question:

Why is sulphur dioxide used by winemakers?

Sulphur Dioxide:

Sulphur dioxide (SO2) is a non-flammable, colorless, and potentially very harmful/toxic gas. Sulphur dioxide also has a very pungent odor that many say smells like a burnt match.

Answer and Explanation:

Sulphur dioxide (SO2) has several purposes in the wine making process. These purposes include:

  • Helps to prevent wine from spoiling due to bacteria (SO2 can act as an antibiotic)
  • Helps to prevent wine from spoiling due to oxidation (SO2 can act as an antioxidant)
  • Helps to clean and sanitize the equipment used to make wine

Learn more about this topic:

Oxygen & Sulphur: Properties & Examples
Oxygen & Sulphur: Properties & Examples

from WBJEEM (West Bengal Joint Entrance Exam): Test Prep & Syllabus

Chapter 47 / Lesson 4
622

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