Experience with (un)usual yeast treasures
Underestimated potential | Up until the end of the 19th century, the variety of microorganisms used as starter cultures to make beer was enormous. Their number is now totally inestimable. It was thus important to introduce pure yeast cultures to keep products clean and stable; this also meant, however, that the formerly broad spectrum of yeasts was narrowed down to comparatively few strains. This article, based on a talk given at the 11th Yeast and Microbiology Seminar 2024 in Weihenstephan, Germany, shows just what yeast can do given the chance.