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Factors affecting the production of 4-ethylphenol by the yeast Dekkera bruxelle...
Malfeito-Ferreira, Manuel; Loureiro, Virgilio; Dias, L.; Pereira-da-Silva, S.; Tavares, M."Food Microbiology" article in Press ; The conversion of p-coumaric acid into 4-ethylphenol was studied in Dekkera bruxellensis ISA 1791 under defined conditions in synthetic media. The production of 4-ethylphenol occurred roughly between mid-exponential growth phase and the beginning of the stationary phase. This behaviour was observed when glucose was the only energy and carbon source, the conversion rate be...
Development and use of a new medium to detect yeasts of the genera Dekkera/Bret...
Malfeito-Ferreira, Manuel; Loureiro, Virgilio; Pereira-da-Silva, S.; Rodrigues, N.; Gonçalves, G.Aims: The objectives of this work were to develop a selective and/or differential medium able to effciently recover Dekkera/Brettanomyces sp. from wine-related environments and to determine the relationship between these yeasts and the 4-ethylphenol content in a wide range of wines. Methods and Results: The selectivity of the developed medium was provided by the addition of ethanol, as single carbon source, and...
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