Brewing much studied, the preservative nature of the soft resins is not yet fully understood, though it has been observed that unless stored at a cool temperature, the preservative nature will decrease. Brewing is the sole major commercial use of hops. Yeast is the microorganism that is responsible for fermentation in beer. Yeast metabolises the sugars extracted from grains, which produces alcohol and carbon dioxide, and thereby turns wort into beer. In addition to fermenting the beer, yeast influences the character and flavour. The dominant types of yeast used to make beer are "Saccharomyces cerevisiae", known as ale yeast, and "Saccharomyces
Coors Brewing Company The Coors Brewing Company managed to survive Prohibition relatively intact. Years before the Volstead Act went into effect nationwide, Adolph Coors with sons Adolph Jr., Grover, and Herman established the Adolph Coors Brewing and Manufacturing Company, which included Herold Porcelain and other ventures. The brewery itself was converted into a malted milk and near beer production facility. Coors sold much of the malted milk to the Mars candy company for the production of sweets. Manna, the company's non-alcoholic beer replacement, was a near beer similar to current non-alcoholic beverages. However, Coors and his sons relied heavily on the porcelain company