What You Need to Know
High salt concentration reduces water activity below 0.85, limiting mesophilic bacteria and yeasts. Tannins from bark lower pH by ~0.3 units and act as natural antioxidants, preventing lipid oxidation. The combined effect creates a stable product over 2–4 weeks at 10–15 °C.
The Science
Primary Reaction
Salt-induced water activity reduction and tannin-mediated pH lowering and antioxidant activity