Apr 27, 2022 - Brewing beer is easy. Just mix together four, simple ingredients and the enzymes and yeast do most of the work, right? The reality is that brewing consistently high-quality beer with every brew is a constant challenge. Ingredients change from lot… Read more

Mar 1, 2022 - Yeast influences beer flavor and aroma Visit any brewing forum and read through topics regarding yeast selection. Chances are high that a healthy amount of discussion will revolve around yeast sensory profiles. Considering the significant role yeast plays in beer… Read more

Feb 16, 2022 - Non-alcoholic beer tends to evoke strong mixed opinions. On one hand, when done well, it can be a refreshing, healthier alternative to its boozier cousin. But on the other hand, it appears as a mockery of all that the goddess… Read more

Nov 30, 2021 - Understand the role of yeast in controlling H2S to craft better beer. Sulphur metabolism is of special relevance for beer quality during the entire brewing process. Humans have evolved to be very sensitive to sulfur compounds, which are associated with… Read more

Oct 12, 2021 - Sour beers are characterized by the presence of a significant concentration of naturally occurring organic acids, a low pH (< 4.0), and refreshing flavor. Not by coincidence, these beers trend towards traditional styles reminiscent of the pre-microbiology era of brewing. Such styles include spontaneously fermented Lambic and Flanders ales, as well as kettle-soured styles such as the Berliner Weisse and Gose and are… Read more

Jul 28, 2021 - Yeast scientists use an incredible set of tools to select novel strains of brewing yeast. These tools vary from simple selective culturing techniques all the way to cutting-edge gene-editing technologies. Each method has its advantages and disadvantages, as well as… Read more

May 17, 2021 - An interview with Graeme Walker, Professor of Zymology from Abertay University, Dundee, Scotland You have a long and successful career in zymology – how did you get into yeast and fermentation as your specialty? Graeme Walker: “On leaving High School… Read more

Jun 30, 2020 - The world of fermentative microbiology is stunningly diverse. With a broad range of organisms capable of safely fermenting sugars into desirable secondary metabolites, humanity has taken full advantage (whether accidentally or on purpose) of fermentation for as long as we… Read more

Mar 6, 2020 - No matter the domain of life, stress is a constant. Whether that be from specific external stimuli or the general possibility of damage, life has evolved response mechanisms to help organisms cope with stressful situations. In humans, overt stress may… Read more

Nov 5, 2019 - In addition to fermenting sugar into alcohol and CO2, yeast plays an important role in flavor development. Each unique strain varies in their ability to metabolize different malt sugars and produce flavor compounds such as esters, phenols, sulfur compounds and… Read more