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
Pabst Brewing Company targeted to be redeveloped into restaurants, entertainment venues, stores, housing and offices. The $317 million project became the subject of public debate in Milwaukee. Pabst Brewing Company announced November 13, 2014 that it had completed its sale to Blue Ribbon Intermediate Holdings, LLC. Blue Ribbon is a partnership between American beer entrepreneur Eugene Kashper and TSG Consumer Partners, a San Francisco–based private equity firm. Prior reports suggested the price agreed upon was around $700 million. Redevelopment of the historic Pabst campus continued, with the original brewhouse converted into a hotel, other buildings converted into condominiums and offices, and others still