Selection of beer yeast with high resistance and its effects on beer flavor after high concentration fermentation
Lei Cao
Abstract
Lei Cao
Abstract
An osmo and alcohol resistant yeast named Y was developed and screened from beer yeast X.The yeast Y could grow under ABV(Alcohol by volume) 18% and Brix 60.The fermentation performance of yeast Y in 28°P wort medium was studied,as well as the contents of flavor substances of the beer when the fermentation was ended.It was indicated that yeast Y was more suitable for high concentration fermentation than the original strain X.
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An osmo and alcohol resistant yeast named Y was developed and screened from beer yeast X.The yeast Y could grow under ABV(Alcohol by volume) 18% and Brix 60.The fermentation performance of yeast Y in 28°P wort medium was studied,as well as the contents of flavor substances of the beer when the fermentation was ended.It was indicated that yeast Y was more suitable for high concentration fermentation than the original strain X.
Key concepts: Yeast, Fermentation, Food science, Flavor, Ethanol fermentation, Brix, Chemistry, Alcohol