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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Wild yeast fermentation leavens bread dough using naturally occurring yeasts and lactic acid bacteria.
Origin: Ancient Egyptians (Ancient Egypt (c. 3000 BCE)) — Egypt
See full technique reference →During fermentation, Saccharomyces cerevisiae metabolizes sugars to produce CO₂ and ethanol, while lactic acid bacteria convert sugars to lactic and acetic acids, lowering pH and enhancing flavor. The CO₂ gas forms bubbles that expand the gluten network, creating a light crumb structure. The acidification also strengthens gluten and inhibits spoilage organisms.
Primary Reaction
Fermentation of sugars to CO₂, ethanol, lactic acid, and acetic acid
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