How does yeast leaven bread?
When the yeast cells feast on the sugar (or the starch that a yeast enzyme has converted into glucose, a simple sugar), a chemical reaction takes place. The sugar ferments and most of it converts into alcohol and carbon dioxide. As with baked goods made with baking powder, the carbon dioxide - along with trapped expanding air and steam - leavens the bread.
** Asian Recipes **
00:22:00 on 11/04/07
by Webmaster -
Questions and Answers -
|