Look what happened in a country that decided to keep junk out of their beer. That was 490 years ago and is still the rule. Good law!
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The German beer purity law or Reinheitsgebot (originally enacted in 1516), which permitted only four ingredients in the beverage: water, hops, barley, and yeast.
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Germans claimed that the law protected public health from harmful
additives and public interest from misrepresentative advertising.
Though officially lifted in 1987 after an EC ruling, the purity
law's tradition continues in Germany.
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The German beer market remains a difficult one to enter as those who want to sell German-style, limited ingredient beer may not substitute other
ingredients.
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http://www.american.edu/TED/germbeer.htm