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
Upper Canada Brewing Company Upper Canada Brewing Company Upper Canada Brewing Company is a division of Sleeman Breweries in Guelph, Ontario, Canada. Founded by Frank Heaps in Toronto, it started brewing beer in 1985 and grew to become one of the largest independent breweries in Canada. While an independent, the brewery's location was at 2 Atlantic Ave. in Toronto and included a "gift shop" that allowed the independent brewer to sell alcohol on Sunday, something that Ontario's licensed outlet Beer Store chain, which had a virtual monopoly on beer sales, was not permitted to do at the time. The company was sold to private