The wine question of the day
What is the name for a biochemical metabolism of organic substances in the absence of oxygen, which plays an important role in fermentation?
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Correct answer is: anaerobic
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anaerobic
Term for the biochemical metabolism of organic substances in the absence of oxygen. The fermentation of a wine usually takes place largely under anaerobic conditions. In 1861, the scientist Louis Pasteur (1822-1895) discovered in the course of his research that yeasts consume sugar much more quickly in an anaerobic environment. In this respect, one speaks of the Crabtree effect. In contrast, the presence of oxygen is called aerobic.

Graphic: Aerobic and anaerobic bacteria can be identified in liquid nutrient solution: (1) Obligate aerobic bacteria collect at the top where they get...
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