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
Pete's Brewing Company Pete's Brewing Company Pete's Brewing Company was founded by homebrewer Pete Slosberg and Mark Bronder in 1986. Its major product line was Pete's Wicked Ale, an American Brown Ale that is 5.3% alcohol by volume. The company was acquired by the Gambrinus Company in 1998, a company that owns the Spoetzl Brewery in Texas, the Bridgeport Brewery in Oregon and the Trumer Brauerei in Berkeley. In 2004, Pete's Brewing Company was number 42 in America for sales by volume. Slosberg and Bronder were among the pioneers of the craft beer movement in America, along with others such as Jim Koch