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Vinegar is made by two distinct biological processes, both use microorganisms (yeast and "Acetobacter") to turn sugars into acetic acid.

  • The initial process is called alcoholic fermentation. Yeasts change sugars to alcohol under controlled anaerobic conditions.
  • The second process converts the alcohol to acetic acid using bacteria called "Acetobacter". Thie acetic acid is commercially known as vinegar.

The word vinegar comes from the French words for sour wine.

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14y ago

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