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
Aztec Brewing Company Aztec Brewing Company The Aztec Brewing Company (Aztec Brewery) was a regional brewery founded in Mexicali, Mexico in 1921, which moved to San Diego, California in 1933. It closed in 1953. It is the only brewing company ever to move from Mexico to the United States. In 1921, San Diego businessmen Edward P. Baker and Herbert Jaffe, and brewing engineer William H. Strouse were instrumental in starting Cervecera Azteca, SA, in Mexicali, the capital city of the Mexican state of Baja California. It was a smart business plan since beginning in 1920, no alcohol was being manufactured, sold or transported