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Weighing hops. The chemical compounds in beer give it a distinctive taste, smell and appearance. The majority of compounds in beer come from the metabolic activities of plants and yeast and so are covered by the fields of biochemistry and organic chemistry. [1]
Burtonisation is the act of adding sulphate, often in the form of gypsum, to the water used for the brewing of beer, to bring out the flavour of the hops. The name comes from the town of Burton upon Trent which had several very successful breweries due to the chemical composition of the local water. [14]
The choice of a hop variety used in beer brewing depends on the beer style. For instance, lager styles use hop varieties with a low alpha acid content (such as Saaz and Hallertauer) while IPA styles use hop varieties with a high alpha acid content (such as Cascade, Centennial and Chinook).
A 16th-century brewery Brewing is the production of beer by steeping a starch source (commonly cereal grains, the most popular of which is barley) in water and fermenting the resulting sweet liquid with yeast. It may be done in a brewery by a commercial brewer, at home by a homebrewer, or communally. Brewing has taken place since around the 6th millennium BC, and archaeological evidence ...
Lautering (/ ˈ l aʊ t ər ɪ ŋ /) [1] is the beer brewing process that separates the mash into clear liquid wort and residual grain. Lautering usually consists of three steps: mashout, recirculation, and sparging.
A thermometer in use to test the temperature of beer. Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity (abbreviated SG), or relative density compared to water, of the wort or must at various stages in the fermentation. The concept is used in the brewing and wine-making industries.