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50% of beer is made of water...but, that's like saying 50% of people have a nose--so do the other 50%.

Beer is made from grains, yeast, flavorants and water. Some beers have rice, some have wheat, some have barley. Some beers have hops added for flavor. German beers used to have to abide by the German Beer Purity law, Reinheitsgebot, which prohibited anything besides water, barley, hops and yeast (after Louis Pasteur identified it).

The best guess one might come up with to answer your question would be "Barley". Mostly, barley is found in German and German-influenced beers.

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13y ago

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