Master Brewers Podcast8 Kesä 2020

Episode 173: Using Exogenous Enzymes to Boost Biotransformation

Biotransformation has become a buzzword in the brewing community, with many brewers even performing dry hopping at certain specific times to hit what is considered to be the “biotransformation sweet spot.” Academic literature does not support these claims. With the aid of enzymes developed for the wine industry, two experimental IPA beers were brewed: one with an enzyme preparation aimed at hydrolyzing glycosides and the other with a β-lyase preparation aimed at releasing bound thiols. Triangle tests for each treatment were carried out by a panel of over 25 participants, composed of brewers and judges, and showed that both beers were significantly different from the control, yet preference was overwhelmingly toward the no-enzyme IPA control beer. Furthermore, the descriptive analysis carried out by the same panel showed a clear trend toward both enzyme beers being less tropical/fruity and more herbal and/or citrusy, the exact opposite of the purported benefit of biotransformation.

Special Guests: Leandro Meiners and Mati Cavanna.

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Episode 259: Cannabaceae Creep (Sep 2022)

The quest to determine the origin of hop creep takes an interesting twist.Special Guest: Matt Cottrell.

12 Loka 41min

Episode 370: Using Glycolipids to Prevent Refermentation

Yet another novel approach for micro stabilization of NA beerSpecial Guests: Nate Armbrust and Paul Marquardt.

5 Loka 40min

Episode 245: Romp of Otters (Apr 2022)

A collaboration between OSU's Barley Project Lab, Admiral Maltings, and Seismic Brewing explores the possibilities for achieving Maris Otter flavor in newer barley varieties, bred for better agronomic...

28 Syys 36min

Episode 369: 10th Anniversary Special

A cast of characters from past episodes competes in a live quiz show to celebrate 10 years of the Master Brewers PodcastSpecial Guests: Ashton Lewis, Erin Maynard, Glen Fox, John Mallet, Laura Burns, ...

22 Syys 46min