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What Does Yeast Actually Do in Bread?
2026-09-29
Yeast makes bread dough rise by fermenting available sugars and releasing carbon dioxide. It also produces ethanol and aroma compounds that contribute to bread's character. However, yeast does not build the entire loaf by itself: the dough must retain that gas, and baking must set the expanded structure. For a commercial bakery, understanding these separate jobs helps explain why adding more yeast...
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