Colourless, highly flammable liquid with a pungent, sweet and aromatic odour reminiscent of nail polish remover or glue (eagle owl). Acetone is used as a solvent for many paints, varnishes and resins. In wine, acetone can be produced by fermentation errors with clostridia (butyric acid bacteria) or by metabolic activity of acetobacter (acetic acid bacteria). In high concentrations, it leads to an unpleasant wine fault, which is categorised as a solvent tone and is very similar to euhuton in terms of its sensory properties.
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Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)