Brottrunk (literally meaning "bread drink" in German) is a
fermented
Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen. In food p ...
grain beverage
A drink or beverage is a liquid intended for human consumption. In addition to their basic function of satisfying thirst, drinks play important roles in human culture. Common types of drinks include plain drinking water, milk, juice, smoo ...
similar to
bread kvass, made in
Germany
Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...
from
bread. The bread is baked from
biodynamically grown grains. This bread is then fermented in a proprietary month-long process. Then, without further processing, the liquid is bottled. First marketed in 1981 by master baker Wilhelm Kanne, this non-alcoholic
probiotic
Probiotics are live microorganisms promoted with claims that they provide health benefits when consumed, generally by improving or restoring the gut microbiota. Probiotics are considered generally safe to consume, but may cause bacteria- host ...
beverage is distributed as ''Kanne Brottrunk'' in Germany and in several European countries.
Brottrunk contains live cultures (''
Lactobacillus reuteri''), grain
lactic acid
Lactic acid is an organic acid. It has a molecular formula . It is white in the solid state and it is miscible with water. When in the dissolved state, it forms a colorless solution. Production includes both artificial synthesis as well as nat ...
, minerals and vitamins (though not in noteworthy amounts).
A number of limited clinical studies have been conducted in Germany that have also indicated the positive effect of brottrunk on the immune system, the skin, the digestive system and other health related issues.
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References
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Non-alcoholic drinks
Fermented drinks