Reinheitsgebot

German Beer "Purity Law" applied to all German brewers making beer for consumption in their own country. A law dating back to 1516, requiring beer to be totally pure with only water, yeast, malt, and hops allowed as ingredients.It only allows water, hops, malt (barley and wheat), and yeast for brewing beer. Chemical additives, sugar, rice, corn, and unmalted barley are prohibited.