Master Brewers Podcast

Episode 015: Simplifying the Understanding of Malt COAs

February 2, 2026·1h 13m·2-min readinterviewscience
Podzilla Summary (2 min)
TLDR
Brewers should simplify their focus on malt certificates of analysis (COA) by concentrating on key indicators of successful malting: protein modification (S/T ratio or Kolbach index), carbohydrate modification (beta-glucan levels), and friability, rather than outdated or redundant metrics

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Guest

J

Joe Hertrick

interview on Master Brewers Podcast

Mentions

Books, people, and resources mentioned in this episode.

People

Joe Hertrick

Companies

Anheuser-BuschCraft Maltsters GuildMaster Brewers Association of the Americas

Products & Tools

Dry Tropics London

Topics

ChemistryFood ScienceProduct ManagementSupply Chain

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