What Yeast Do
Fermentation is anaerobic respiration that produces a byproduct - ethanol - that kills yeast. But in the process, yeast also transform other compounds into aroma- and flavor-active molecules that taste, smell, and feel different than grape juice plus alcohol. We call it wine.
Volume & Issue:
Part of the series Grapes 101.
Enology/Winemaking; Grapes 101; Appellation Cornell; Cornell University; CALS; College of Agriculture and Life Sciences; Agritech; Viticulture
reading order; tagged PDF