Several Americian brewers use rice, and began doing so before and after Prohibition. American beers that are lighter in color and taste generally indicate this. Budweiser was one of the first.
rice beer
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Lots of beers have rice flour in them as a starch stretcher (it increases the alcoholic content of the beer cheaply). In particular American mass-produced beers have this...
Beers from a number of countries have fruit flavourings. The most famous are the Lambic beers from Belgium which are wild yeast fermented with heavy fruit additions.