Vinegar is h2o and Acetic Acid. The key Part Using the Acetic Acid is definitely the Acetyl Molecule. Acetobacter often is the bacteria that converts Liquor into Acetic Acid (Vinegar) in fact it's ubiquitous. Just go away an empty wine already there for 2 months and Acetobacter will speedily comprehend it speedily and change it into wine vinegar.