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
Mother Earth Brewing beer is characterized by the use of spices during the brewing process such as orange peel, bitter orange peel, and coriander. The alcohol by volume content is 5%. Dark Cloud is a Munich-style dunkel lager, aged longer than Mother Earth's other ales. It is a dark colored beer that has tastes of roasted malt in the body. The alcohol by volume content is 5.1%. Second Wind is an American Pale ale, and uses American hop varietals. It is a medium amber color, and less bitter than the Sisters of the Moon IPA. The alcohol by volume content is 5.0% Sunny