Dekkera, the sporulating form of the yeast genus brettanomyces which can cause two distinct off-flavours in wines, often described as ‘mousy’, and ‘animal’ or ‘medicinal’. Like Brettanomyces, Dekkera has variable sensitivity to sulfur dioxide. In practice, Dekkera is used as a European, particularly French, synonym for Brettanomyces, but recent changes to the rules for naming fungi suggest precedence be given to Brettanomyces.
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