The most prevalent cause of wine spoilage is the presence of

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Quizplus · Accepted Answer

Acetic acid bacteria are the main culprits of wine spoilage because they convert ethanol into acetic acid, giving wine a vinegar-like taste and odor. Sulfur dioxide is often added to wine as a preservative to prevent spoilage, carbon dioxide is a natural byproduct of fermentation, and lactic acid bacteria can also contribute to spoilage but are less common than acetic acid bacteria. Ethanol is the main component of wine and not a cause of spoilage.

The Most Prevalent Cause of Wine Spoilage Is the Presence