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Why is yeast required?

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Anonymous

11y ago
Updated: 8/21/2019

Yeast convert sugar into carbon dioxide (and ethyl alcohol). The carbon dioxide results in trapped bubbles of gas, which makes the bread rise, giving it a light, fluffy texture. During baking the alcohol evaporates.

Bread baked without yeast (unleavened bread) tends to be flat and hard or coarse.

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Wiki User

11y ago

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