Definitions for "Yeasts"
These micro-organisms are responsible for fermentation. Traditionally, winemakers always relied upon the yeasts that came in on the grape skins, or found their way into the juice in the winery. Over the past 20 years, however, selected cultured yeasts have been developed and are now used world-wide.
All natural honeys contain sugar-tolerant yeasts. They are destroyed by pasteurization.
Micro-organisms that secrete enzymes which convert or ferment sugar into alcohol, carbon dioxide and lesser products.
One of several species of ascomycete fungi in which an extensive mycelium is not produced, so that the oganism is usually unicellular.