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Yeast (Budweiser yeast is a lager yeast) is added to the cooled wort in the primary fermentation tanks. It can take up to 6 days for the yeast to convert the fermentable sugars to carbon dioxide and alcohol. During this stage of the brewing process, the wort becomes beer. LAGERING After a layer of beechwood chips is spread on the bottom of the lager tanks, the beer is transferred into the tanks. A portion of freshly yeasted wort called Kraeusen is added. Lagering is part of secondary fermentation in which the yeast settles on the beechwood chips and works until the beer is completely fermented. As secondary fermentation occurs, the beer is naturally carbonated and its final flavor develops - resulting in a smooth-tasting beer. This process is unique to Anheuser-Busch. |
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PRIMARY FERMENTATION