Master Brewers Podcast

We dig into a couple of peer-reviewed papers from the Master Brewers Technical Quarterly that help us navigate the complexities of hop aroma and make better beer.Special Guests: Scott Lafontaine and Tom Shellhammer.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Investigating the Factors Impacting Aroma, Flavor, and Stability in Dry-Hopped Beers — 2019 MBAA TQHow Hoppy Beer Production Has Redefined Hop Quality and a Discussion of Agricultural and Processing Strategies to Promote It​​​​​ — 2019 MBAA TQUpcoming Events - Master Brewers CalendarJoin Master Brewers

A study of 50 NA beers hunts for human pathogens.Special Guest: Grzegorz Rachon.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Survival of Pathogens in Non-alcoholic Beers — 2024 World Brewing CongressWBC Rewind — Revisit content from World Brewing Congress 2024Survival of Escherichia coli O157, Salmonella Enteritidis, Bacillus cereus and Clostridium botulinum in non-alcoholic beers — Journal of the Institute of BrewingUpcoming Events - Master Brewers CalendarJoin Master Brewers

In 2018 Goose Island was plagued with a wild yeast contamination identified in post centrifuged products. This is how we systematically sought root cause, and ultimately eradicated the contamination despite our previous process understandings.Special Guests: Alex Nham and Joey Tidei.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Poster 58 - Expectations vs reality: A systematic approach to finding the source of a micro issue in a brewery — 2020 World Brewing CongressUpcoming Events - Master Brewers CalendarJoin Master Brewers

The creator of infusion malts joins us to explain what they are and why they're special.Special Guest: Cristal Peck.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Master Brewers Podcast Working Group — Contribute to the team that keeps the podcast running!Upcoming Events - Master Brewers CalendarJoin Master Brewers

Did you know that the gelatinization temperature of your malt could be as low as 136F or as high as 154F? Charlie Bamforth's successor joins us to talk about variations in starch structure and what that might mean for your mash.Special Guest: Glen Fox.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:158. The relationship between barley starch structure and the sugar profile of wort — 2012 World Brewing Congress25. The comparison of DP enzyme release and persistence with the production of yeast-fermentable sugars during a modified IoB 65°C and Congress mashes — 2016 World Brewing Congress90 - Confirmation of endogenous enzymes in Humulus lupulus and proposed lab method for determination of secondary fermentation — 2020 World Brewing CongressUpcoming Events - Master Brewers CalendarJoin Master Brewers

Join John Rowley, the founder of Rowley Farmhouse Ales, as he dives into the world of mixed-culture fermentations. Hear about his early attempts at sour beer, inspired by Jester King, and how patience and culture reuse transformed his brews. Rowley discusses incorporating local botanicals like lavender and sage, and how he manages funk levels using brett blends and IBUs. Plus, insights on long-term barrel aging, the simplicity principle, and knowing when to dump a bad batch make for an engaging conversation for any beer enthusiast!

The story of how Creature Comforts Brewing tracked down and eliminated metallic off-flavor in kettle-sours.Special Guest: Spencer Britton.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Poster 14 - Tracking, quantifying, and reducing metallic qualities in kettle-soured beer — 2020 World Brewing CongressUpcoming Events - Master Brewers CalendarJoin Master Brewers

Brian Crawford, President and CEO of the Beer Institute, and Christopher Shepard, Editor of Alcohol Issues Insights, dive into the significant changes coming to U.S. alcohol consumption guidelines. They discuss the political and health implications surrounding these revisions, addressing transparency issues and biases in the review process. The duo emphasizes the need for the brewing industry to unite in advocacy efforts to ensure that interests are represented in policy-making. Hear insights on how these changes could impact consumer perceptions and the broader alcohol landscape.

More engineered brewers yeast strains capable of "impossible" feats.Special Guest: Charles Denby.Sponsored By:Berkeley Yeast: The Lupulin Exchange: BSG: Proximity Malt: Hopsteiner: Links:Poster 159 - Engineering yeast for more efficient production of hop-flavored beer — 2020 World Brewing CongressWorkshop: In a World of Yeast Genetic Engineering: Current Technology, Production Uses, and Future Possibilities for the Brewing Industry — 2020 World Brewing CongressBiotransformation — Master Brewers Podcast EpisodesUpcoming Events - Master Brewers CalendarJoin Master Brewers

Matt Cottrell, quality manager and microbiologist at Lord Hobo Brewery, shares insights on how affordable automation in the brewing process can enhance quality and free up resources. He highlights the importance of timing and venting in sterilization with IoT autoclaves. Their humorous journey testing a new IoT device reveals critical sterilization challenges. Cottrell emphasizes mastering heat transfer in autoclave operations and discusses how IoT solutions can optimize efficiency, showcasing the significant impact on brewery operations.