Dry Yeast
Yeast is typically used in baking as it acts as a leavening agent. When yeast is added to batter, it initiates fermentation and causes the dough to rise.
During WWII, Fleischmann’s created a type of dry yeast that did not require refrigeration, rose twice as quickly, and had a longer shelf life.
Dry yeast should be stored in a cool, dry place such as the pantry. It can also be stored in the refrigerator or freezer.
Yeast is used to make carbonated beverages such as kombucha and beer.
To test whether or not yeast is expired, mix together water and sugar. If the yeast is good, the yeast will foam and bubble.
People with aquariums use yeast to generate carbon dioxide to feed plants.
Yeast can cause food to go bad as it metabolizes components in certain foods which leads to spoilage.
Yeast should be dissolved in warm water (100-110 degrees F), but not piping hot water or it will die. Sugar is then added to "feed" and grow the yeast. You should see bubbling and expansion within 5 minutes. If you see no activity, your yeast is too old or the water was too warm or too cold. Try again!
Yeast is a popular supplement for vegans as it is an excellent source of vitamin B and protein. It is sold as “nutritional yeast” and has a cheesy, nutty flavor.
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