Biotransformation are flavor- and aroma-releasing reactions during brewery fermentation. Lately, there has been much discussion of biotransformation in hoppy beers like IPAs where bound thiols are released when yeast interacts with them. So hops provide not only bittering acids and flavorful oils, and yeast provides not only alcohol and esters, but the combination of yeast interacting with hop chemicals (and sometimes malt chemicals) produces new flavors. New research into biotransformation is causing brewers to reexamine how they use hops, how they choose malts and how they ferment.
This Episode is Sponsored by:
Estrella Galicia
Estrella Galicia is an independent, family-owned brewery in northwest Spain, founded in 1906.
Estrella Galicia Cerveza Especial is a world class lager, brewed using the finest Spanish malts, locally cultivated Galician hops and the best brewing practices, in a state-of-the-art facility in La Coruña . Recognized around the world for quality and exceptional character. Estrella Galicia is “A beer like no other.”
The Best of Craft Beer Awards
Attention brewers: registration is now open for the 2024 Best of Craft Beer Awards. Now in its 10th year, this is a BJCP sanctioned event judged by fellow brewers, professional judges, and industry leaders. Judged in Oregon, it’s the third largest professional brewing competition in North America and is a chance to have your hard work evaluated and rewarded. In addition to traditional styles, new this year is the smoothie sour style category, and the collaboration competition. Learn more and register your beers by visiting www.BestofCraftBeerAwards.com/register
The following music was used for this media project:
Music: Awesome Call by Kevin MacLeod
Free download: https://filmmusic.io/song/3399-awesome-call
License (CC BY 4.0): https://filmmusic.io/standard-license
Artist website: https://incompetech.com
AAB 038: Brewing with Kernza
Brewer to Brewer: Berith Karlsson and Henok Fentie (Ep. 39)
AAB: 037: Ukrainian Golden Ale
Brewer to Brewer: Matthias Trum and Berith Karlsson (Ep. 38)
AAB 036: Is Pasteurization Better For Beer Flavor?
Brewer to Brewer: Dan Suarez and Matthias Trum (Ep. 37)
AAB 035: Cozy Up with Winter Warmer Ales
Brewer to Brewer: Steve Luke and Dan Suarez (Ep. 36)
AAB 034: The Buzz on Coffee Beers
Brewer to Brewer: Adam Paysse and Steve Luke (Ep. 35)
AAB 033: Proper Ways to Cellar Beer
Brewer to Brewer: Henry Nguyen and Adam Paysse (Ep. 34)
AAB 032 - Diastaticus and Hop Creep
Brewer to Brewer: Cory King and Henry Nguyen (Ep. 33)
AAB 031 - Picking Perfect Pastry Stouts
Brewer to Brewer: Brad Clark and Cory King (Ep. 32)
AAB 030 - What is a Juicy Lager?
Brewer to Brewer: Blake Tyers and Brad Clark (Ep. 31)
AAB 029 - The Science and Sensory of Fresh Hop Beers
Brewer to Brewer: Averie Swanson and Blake Tyers (Ep. 30)
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