Ionones are plant-derived fragrance compounds with a floral aroma, widely used in perfumes, cosmetics, and food. Among them, (R)-α-ionone, the key aroma molecule of raspberries, is especially valuable – yet its natural extraction or chemical synthesis is costly, inefficient, and unsustainable.

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(German title: Entwicklung einer Fed-batch-Methode zur optimalen Vermehrung von Saccharomyces cerevisiae zur Vergärung von Traubenmost (EFMoST))

As part of the project "Development of a fed-batch method for the optimal propagation of Saccharomyces cerevisiae for the fermentation of grape must" (EFMoST), a process for separating the aerobic propagation process of the yeast from the actual fermentation phase in the grape must is to be developed. The aim is to obtain a yeast that has a sufficient cell count and is highly vital. Further information