Propionates have a reputation as being one of the most effective antimicrobials against the omnipresent Listeria; however, many do not consider them a clean-label ingredient. Buffered vinegar ...
The best quality balsamic vinegar can be over 100 years old but ... but luckily a little goes along way. Use with a little olive oil for a subtle salad dressing or add a few drops to meaty stews ...