Guide to Ale Beer
Ale beer is brewed using yeast strains that ferment at warmer temperatures. These strains are often called "top-fermenting yeasts" because fermentation takes place at or near the top of the fermentation vessel. Warmer temperatures generally result in a shorter (than Lager) fermentation and aging process for ale production. Ale yeasts also tend to produce esters during fermentation, which are aroma and flavor compounds, often imparting fruity and sometimes spicy character in the beer, something for which ales are generally known.
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