What You Need to Know
The salt brine lowers water activity, creating a selective environment for halotolerant lactic acid bacteria. These bacteria ferment the native sugars of the root vegetables, producing lactic acid that drops the pH to ≤4.2 and stabilizes the product. The combined osmotic and acidic conditions preserve texture and flavor for months.
The Science
Primary Reaction
Osmotic dehydration and lactic acid fermentation of root vegetables in a salt brine