What You Need to Know
During mashing, amylases convert starches to maltose and dextrins; lactic acid bacteria ferment these sugars to lactic acid, lowering pH; simultaneously, Saccharomyces spp. convert sugars to ethanol and CO₂. The resulting beverage is mildly acidic and low‑alcohol.
The Science
Primary Reaction
Starch → maltose → lactic acid + ethanol + CO₂