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aerobic (GB)
Term for the biochemical metabolism of organic substances in the presence of oxygen, When breathing animal or human beings, for example, the cells burn the energy component sugar to carbon dioxide and water, However, complete combustion requires aerobic conditions, ie sufficient oxygen. In the winemaking it comes through oxygen oxidative processes; see below oxidative expansion and reductive expansion, The fermentation usually goes down for the most part anaerobic Conditions (absence of oxygen) from. Areobe conditions (presence of oxygen) but are important before or at the beginning of fermentation, as the yeasts only in an oxygen-rich environment can divide and multiply. The scientist Louis Pasteur (1822-1895) reported as early as 1861 that yeasts in aerobic environments consumed much less sugar. In this context one speaks of the named after the English biochemist Crabtree effect, The fermentation-like process of fermentation runs under aerobic conditions.

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