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
Fort Pitt Brewing Company Pittsburgh native and attorney, obtained ownership of the Fort Pitt name. In the spring of 2014, Dudash will launch Fort Pitt Ale under Fort Pitt Brewing Company. In maintaining its traditional roots in the Western Pennsylvania region, Fort Pitt is crafted in the spirit of the first brewery established by the British Army within the confines of Fort Pitt west of the Alleghenies in 1765. Due to the absence of pure spring water for drinking, beer was generally the preferred beverage for the early pioneers. The heat generated from the brewing process and presence of alcohol served to suppress the