Whirlpool Hops Research with Stan Hieronymus – BeerSmith Podcast #172

Stan Hieronymus joins me this week to discuss cutting edge research into the role hop thiols play in creating fruity, tropical IPA flavors in beer.

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Topics in This Week’s Episode (47:54)

• Today my guest is Stan Hieronymus. Stan is the author of many popular brewing books including For the Love of Hops, Brew Like a Monk and Brewing Local (Amazon affiliate links). Stan is also a certified beer judge and author of hundreds of other articles on beer.
• We start with a short discussion of Stan’s recent travels and what he has learned.
• We dive right into the technical deep end on this show by discussing thiols and what they are.
• Stan explains why thiols are so difficult to measure and isolate.
• We talk about the potential link between thiols and tropical flavors including research done at Sapporo on hop oils.
• Stan explains how we believe certain hop oils are associated with tropical and fruity flavors popular in many IPAs.
• He then tells us about cutting edge research which indicates that thiols may play a much bigger role in these flavors than we thought previously.
• We talk abou “thiol potency”
• Stan provides a list of hops that are good candidates for getting tropical flavors into beer.
• We also discuss dry hopping during active fermentation
• Stan sums up what all of this chemistry means for an average homebrewer.

Sponsors

• Thank you to our sponsor Craft Beer and Brewing Magazine for sponsoring this episode. I encourage you to subscribe to their great magazine!
• And also Anvil Brewing Equipment. Anvil is a new line of kettles, burners and accessories from John Blichmann at Blichmann Engineering. They make top quality brewing equipment built to last a lifetime.
• Also check out BeerSmith, BeerSmith Mobile software and the new DVDs John Palmer and I filmed – How to Brew with Malt Extract and How to Brew All Grain are available now. You can subscribe to the BeerSmith newsletter for free to get some great articles on home brewing.

Thanks to Stan Hieronymus for appearing on the show and also to you for listening!
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