What You Need to Know
The salt brine creates an osmotic environment that suppresses spoilage bacteria while allowing lactic acid bacteria to ferment residual lactose, lowering the pH to ~4.8 and stabilizing the casein matrix. Porous clay walls permit a micro‑oxygen flux (~0.5 % O₂) that supports surface ripening and the development of characteristic volatile compounds, while gradual moisture loss concentrates flavors and textures.
The Science
Primary Reaction
Lactic acid fermentation of residual lactose and proteolysis of casein