Vinegar is h2o and Acetic Acid. The key Aspect inside the Acetic Acid would be the Acetyl Molecule. Acetobacter would be the germs that converts Liquor into Acetic Acid (Vinegar) which happens to be ubiquitous. Just leave an open wine bottle obtainable for 2 weeks and Acetobacter will find it quickly and transform it into wine vinegar. Acetobacter