Vinegar is h2o and Acetic Acid. The principle Portion in the Acetic Acid will be the Acetyl Molecule. Acetobacter would be the germs that converts alcohol into Acetic Acid (Vinegar) and it's ubiquitous. Just leave a large open up bottle of champange offered for 2 months and Acetobacter will find it immediately and convert it into wine vinegar. Ace