Does vinegar grow mold on bread?

Yes, vinegar can grow mold on bread. Vinegar is a mild acid that can inhibit the growth of some bacteria and fungi, but it is not strong enough to kill all microorganisms. Mold spores are present in the air and can easily land on bread, even if it has been treated with vinegar. Under the right conditions, these spores can germinate and grow, forming visible mold colonies.

To prevent mold growth on bread, it is important to store it in a cool, dry place and to avoid exposing it to moisture. If you are using vinegar as a preservative, make sure to use a high-quality vinegar and to apply it evenly to the bread. You can also add other antimicrobial ingredients to the vinegar, such as salt or sugar, to further inhibit mold growth.