Vinegar is h2o and Acetic Acid. The key Section of your Acetic Acid would be the Acetyl Molecule.Acetobacter is definitely the bacteria that converts Liquor into Acetic Acid (Vinegar) and it's also ubiquitous. Just leave a broad open bottle of wine out there for a few months and Acetobacter will find it rapidly and convert it into wine vinegar. Ace