What You Need to Know
NaCl dissociates into Na⁺ and Cl⁻ ions that penetrate cell membranes through diffusion gradients, while simultaneously drawing out moisture to lower water activity (aw). Halophilic bacteria dominate over spoilage organisms at >5% salinity. Common naming includes 'equilibrium brining' (equalizing concentrations) and 'injection brining' (forced vascular distribution in meats).
Creates juicier cooked proteins by denaturing muscle proteins to retain water. Beyond preservation, modern use emphasizes flavor enhancement (herbs/spices infuse brine) and texture modification (crisper vegetables via calcium ions). Brine strength varies from 3% (light seasoning) to 26% (saturation).
Key Parameters
Temperature
°C - °C
Time
12-24h for poultry (per USDA guidelines)
30 minutes (thin cuts) - 3 months (hard-cured meats)
Equipment
Steps
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The Science
Primary Reaction
Osmotic equilibrium & protein solubilization