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Step-by-Step Tutorial
PRACTICAL WALKTHROUGH · PARAMETERS · COMMON MISTAKES
Dosa batter undergoes lactic acid and yeast fermentation, producing acids and CO₂ that tenderize the batter and create a light, airy texture with a characteristic tang.
Origin: South Indian agrarian societies (ancient) — Tamil Nadu, Karnataka, Kerala
See full technique reference →During fermentation, lactic acid bacteria such as Lactobacillus plantarum convert soluble sugars to lactic acid, lowering the pH to 4.5–5.0. Yeast (Saccharomyces cerevisiae) metabolizes sugars to CO₂ and ethanol, while microbial amylases and proteases hydrolyze starches and proteins, enhancing digestibility and contributing to the batter’s viscosity and flavor.
Primary Reaction
Carbohydrate → lactic acid + CO₂ + ethanol (via lactic acid bacteria and yeast)
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