What You Need to Know
During fermentation, starches in the rice batter are hydrolyzed into sugars, which are then metabolized by yeasts to produce CO₂ and by lactic acid bacteria to produce lactic acid. The CO₂ creates a porous structure, while the acids lower the pH to 4.5–5.0, enhancing flavor and texture.
The Science
Primary Reaction
Starch hydrolysis and fermentation to CO₂ and lactic acid