Selecting Yeast in Beer Brewing and Wine Making Humankind has benefited from fermentation products, but from the yeast's point of view, alcohol and carbon dioxide are just waste products.

Later, it was used to make gum and even toothpaste ... added to increase the foam and could ferment as well. The primary ...

Different strains of yeast and different fermentation techniques determine what kind of beer is being made and how it will taste. For example, when making a lager, the yeast ferments at the bottom ...