Bread recipes can contain various raising agents, such as yeast, baking soda and baking powder.
air and yeast
baking powder, bicarbonate of soda yeast waheyyy
By the time you get around to using the mix, the yeast will be dead and expended.
Yeast will not be able to grow if it has been boiled. However, dough may still be able to rise with other raising agents, e.g. baking powder.
I'm not sure what you mean by mechanical, but raising agents like baking soda, baking powder, and yeast make foods light and fluffy.
Baking powder, bicarbonate of soda, eggs (both whites and yolks) and yeast.
baking powder baking soda yeast stiffly beaten egg white soda water, lemonade or other carbonated soda drinks
If you do not use a raising agent when one is required, all that you bake will turn out flat and hard. You can however use raising agents other than baking soda such as beaten egg white or yeast.
Brown rice does not contain yeast.
Function of raising agents in a muffin?
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