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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Fermentation preserves food and reduces waste by converting sugars into acids, alcohols, and gases that lower pH and water activity.
Origin: Various cultures (Korean, German, global) (Traditional) — Asia, Europe, worldwide
See full technique reference →Microbial metabolism of carbohydrates produces lactic acid, acetic acid, ethanol, and CO₂, which lower the pH to 4.5–4.8 and reduce water activity below 0.85, inhibiting spoilage organisms. Controlled temperature (20–30 °C) and time (24–72 h) optimize flavor development while preventing over‑fermentation and off‑flavors.
Primary Reaction
Microbial conversion of sugars to acids, alcohols, and gases
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