top fermentation


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Noun1.Top fermentation - a violent kind of alcoholic fermentation at a temperature high enough to carry the yeast cells to the top of the fermenting liquidtop fermentation - a violent kind of alcoholic fermentation at a temperature high enough to carry the yeast cells to the top of the fermenting liquid; used in the production of ale; "top fermentation uses a yeast that ferments at higher temperatures than that used for bottom fermentation"
fermenting, zymolysis, zymosis, fermentation, ferment - a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
References in periodicals archive ?
Lager beer is prepared from bottom-fermenting yeast and ale, while porter and stout are prepared using top fermentation.
Bottom fermentation takes place at lower temperatures than top fermentation, of between 40 degrees F and 55 degrees F, and the yeast settles to the bottom of the fermenting vat, out of harm's way.
Proud of its heritage, the master brewers use natural ingredients and an age-old top fermentation method to give its brews a unique cloudy finish.