Science Fair Project Encyclopedia
The name Altbier, which literally means old beer, refers to the old brewing style (top-fermenting yeast and dark malt). Up to the 1950s, Alt was also called Düssel (from Düsseldorf), but since the term is not a Protected Designation of Origin, Altbier may also be produced outside of the Düsseldorf region. Kölsch is another top-fermented German beer with a mainly regional appeal.
Traditional Altbier breweries:
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