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 367: Arabinoxylan vs. Beta Glucan

The impact of Arabinoxylan vs. Beta Glucan on viscosity.Special Guest: Betsy Roberts.

24 Elo 42min

Episode 138: Steeping: The Fulcrum Between Good and Bad Malt (Jul 2019)

Tyler Schoales of Country Malt Group takes us on a deep dive into the most important step in malting.Special Guest: Tyler Schoales.

17 Elo 43min

Episode 366: Carbonation as a Control Mechanism of E. coli and Salmonella in NA Beer

E. coli and Salmonella can grow in NA beer, but there's a convenient catch.Special Guests: Grzegorz Rachon and Joy Waite-Cusic.

10 Elo 57min

Episode 240: Understanding the Risk of Can Pressure Failures (Feb 2022)

Have you ever wondered if you're pushing the limits of how much pressure your cans can handle? A Master Brewers Past President joins us to discuss a chart he designed to keep you out of trouble.Specia...

3 Elo 39min

Episode 365: A Western Approach to Sake Production

If you think brewing sake in your brewery is out of reach, think again.Special Guests: Chijindu Onwuchekwa and Scott Lafontaine.

27 Heinä 52min

Episode 253: CIP Fundamentals (July 2022)

Oliver Meinhold takes us back to the basics of cleaning & sanitation in the brewery.Special Guest: Oliver Meinhold.

20 Heinä 53min

Episode 364: pH Fundamentals

The fundamentals of pH and why your mash pH might not be what you think it is.Special Guest: Ashton Lewis.

13 Heinä 58min

Episode 049: Breathe, Breathe, Breathe, Scream (August 2017)

Kerry Caldwell suffered severe injuries from an accident in the brewhouse. She was airlifted and overcame the 34% chance of survival calculated by the hospital. This episode is both the story of her a...

6 Heinä 45min