Vinegar is h2o and Acetic Acid. The key Aspect from the Acetic Acid would be the Acetyl Molecule. Acetobacter may be the microorganisms that converts Liquor into Acetic Acid (Vinegar) which can be ubiquitous. Just leave an open up wine bottle presently there for any few weeks and Acetobacter will see it immediately and change it into wine vinegar.