Question

State the role of bacteria in making vinegar.

Answer 1

Vinegar:

1. Vinegar or dilute acetic acid is a key ingredient in a lot of recipes.
2. It is also used for the preservation of foods and pickling.
3. The molecular formula for acetic acid is CH₃COOH.

Role of bacteria in making vinegar:

1. Acetobacter bacterium is used for the production of acetic acid.
2. These bacteria perform anaerobic respiration.
3. The initial process is called alcoholic fermentation.
4. It happens when yeast converts the natural sugars into alcohol under monitored conditions.
5. In the next process, a group of bacteria (called “Acetobacter”) change the formed alcohol into acid.
6. This is the acetic, or acid fermentation, which results in the formation of vinegar