From IPAs to wheat beers and Belgian styles, craft brewers can select the ideal yeast for their recipes. There are many kinds of ale thanks to different strains of Saccharomyces cerevisiae. Those vessels might be fully closed to the air there are also “open fermenters” where ales like Bigfoot Barleywine are known to put on a real show. ![]() ![]() What is ale?īrewing an ale requires a yeast species named Saccharomyces cerevisiae, commonly called “top fermenting” because as the yeast eats up malt-derived sugars, it rises to the top of the vessel in a layer of foam. And it’s specific types of yeast responsible for the two main fermentation groups: ale and lager. More than driving the creation of alcohol-a big deal, no doubt-yeast also produces flavor and aroma compounds toward the finished beer. ![]() Hops often enjoy the limelight with craft beer, but yeast is the foundation of your pint.
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