Over the years, brewers have always tried to find yeast strains
that can improve the quality of their beer and provide it with
specific sensory notes. The various aroma compounds that characterize
different beers styles come from the raw materials of
barley, malt and hops. However, yeast has a central role in the
brewing process, metabolizing of sugars in the beer wort into
ethanol, carbon dioxide, and several aroma compounds, including
esters, higher alcohols, aldehydes and organic acids