Which Yeast Is Used In Lager Beer?
Which Yeast Is Used In Lager Beer? Lager Yeast, Saccharomyces pastorianus, is a bottom fermenting yeast used for brewing lager style beers. It is physiologically distinct from the top fermenting (so called because it forms a thick foam at the top of the wort during fermentation) ale yeast S. What type of yeast is used