Beer 101: Reinheitsgebot – The German Beer Purity Law

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reinheitsgebot
Image from the New York Public Library

Almost 500 years ago, on April 23, 1516, two Bavarian dukes issued a decree that said that beer could only be made from three ingredients: barley, water and hops. This came to be known as Reinheitsgebot (purity ordinance) or the Beer PurityLaw. When it was written, however, the intent was not to keep beer “pure.”

Originally, this degree was meant to keep brewers from using more valuable grains, such as wheat and rye, from being used in beer making. Barley is harder to digest and was therefore not as desirable for use in food. You can read an English translation of Reinheitsgebot here.

While the original intent was to keep brewers from competing with bakers, after World War II when Germany was struggling to rebuild, it became a marketing tool. This seems to be the time when the Purity Law became more about marketing than natural resources. The American craft beer movement took this idea and ran with it; most industrial beer contains rice and other ingredients which craft beer makers and drinkers feel makes an inferior brew.

You may have noticed that there is a very important ingredient missing from the Purity Law. When it was written, the role of yeast in brewing was completely unknown. It wasn’t until the 1800’s that Louis Pasture discovered the role of microorganisms in fermentation.

The Reinheitsgebot was officially added to the Germain tax code in 1919 and remained in the tax code until 1987 when Germany joined the European Union.

3 Comments

  1. I sing the praises of beer,
    To everyone able to hear,
    Hops, barley and yeast,
    Good water, not least,
    It gives to all good cheer.

  2. […] The German Beer Purity Law This law, in German known as Reinheitsgebot (purity ordinance), was issued on April 23, 1516 by two Bavarian dukes. The law states that German beer can only be made from three ingredients: barley, water, and hops. Contrary to what many think, the purpose of this law was not to in some way “purify” beer, but it was instead to decrease the competition between brewers and bakers that needed wheat and rye to perform their jobs. Share this:Like this:LikeBe the first to like this post. This entry was posted in Micellaneous, Study Abroad Germany and tagged beer, German Beer Institute, German Purity Law, germany, study abroad, travel by Study Abroad Advisors. Bookmark the permalink. […]

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