Various means used in winemaking to achieve the best possible fermentation process. The prerequisite is a sufficient supply of nutrients for the yeasts. These include above all nitrogen, minerals and vitamins, which determine the fermentation kinetics (sequence of chemical processes). Sterols/sterols (natural substances for biological functions) and long-chain fatty acids (lipids) are important for the final fermentation. The most important substances are various yeast nutrient salts and yeast bark.
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