By fermentation, yeast converts carbohydrates to carbon dioxide and alcohol. Yeast has been used in baking for centuries as well as alcohol making.
Yeast releases carbon dioxide.
Carbon dioxide
Carbon Dioxide CO2
Bread contains a leavening agent. This is usually in the form of yeast. Yeast are living microorganisms that contain a type of gas. During baking, the yeast dies and releases gas. This causes the bread to rise and become light.
The yeast, during the fermentation, creates a gas. This gas forces the bread to rise, marking the difference between flatbreads and the usual bread that many enjoy in loaves.
Yeast consumes sugar and expels gas. It is this gas that causes bread to rise. Yeast also consumes sugar and produces alcohol during fermentation. So, if you're trying to make wine and there is no yeast on the grapes, and you don't add any, there is no fermentation.
you can not measure gas of yeast
Yeasts give off gas as they consume and digest sugars. The bubbles of gas become trapped in the dough, causing the product to rise.
The gas released by yeast, CO2, creates bubbles, as the bubbles expand in the dough, the bread rises. As the bread bakes, the bubbles set and give the bread its light, airiness.
It gives off carbon dioxide which proves that it respires.
Plz give the answer of this question
Yeast is added to bread along with moisture and sugar, and the dough is kept in a moist, warm environment. During this rising time, the yeast consumes the sugar in the dough and release CO2 gas, which is trapped in the dough and causes the dough to rise. When the dough is baked, the yeast is killed, but the bubbles created by the gas remain.