wild yeast


Also found in: Dictionary, Thesaurus, Encyclopedia.

wild yeast

any of the uncultivated forms of yeasts, useless as ferments and sometimes pathogenic.
References in periodicals archive ?
The level of cationic ions in fermenting must (juice) was high in substrate degraded by wild yeast.
The grapes are hand-harvested and fermented in 100 per cent French oak (which has already seen six vintages) with wild yeast.
The second difference, related to the first, is the use of the wild yeast that naturally clings to apples versus added yeast.
The wild yeasts found in fermenting wine each have different reaction rates and will produce different end products as they ferment the juice sugars to alcohol.
The restriction of mating to these laboratory-created strains, the San Francisco researchers conclude, may explain why sexual behavior has never been observed in wild yeast.
Through meticulous attention to detail, HALL Wines employs organic small-vine viticulture, precision winemaking, wild yeast fermentation, and micro-block-blending, to fully extract the purity, and to express the unique and diverse character of Napa Valley's soils and climate.
Wild yeast and bacteria including Brettanomyces and Lactobacillus also interact with the beer, imparting unique spicy, fruity and bright tart flavors.
The brewers then waited for three days to see if the grapes' wild yeast would induce fermentation, but nothing happened.
Andrew, from Gateshead, who gives regular talks and tastings across the North East, experienced the best of wild yeast sour beers - and here gives us a flavour of what went on.
Madame Rose is a Belgian style sour ale fermented with wild yeast, aged on sour Michigan cherries in cabernet barrels for 18 months, with house and wild yeasts.
Classic Belgian Kriek beers - known as lambics and fermented with wild yeast and cherries for extra flavour - have been made since the early 20th century and are renowned for their distinctive "sour" taste.
We added a Campden tablet - to kill bacteria and inhibit the growth of wild yeast - and later some yeast of our own.