Whirlpool Hops Research with Stan Hieronymus – BeerSmith Podcast #172

by Brad Smith on June 21, 2018 · 1 comment

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.

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Thanks to Stan Hieronymus for appearing on the show and also to you for listening!
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{ 1 comment… read it below or add one }

Felix July 5, 2018 at 6:01 pm

Hi,

I commercially brew a tropical Pale ale with Huell Melon and Callista from the Hallertau. Huell Melon for itself is melon like with a hint of strawberry candy. Callista for itself is very berry like. Combined it´s insanely maracuja! Everyone loves it.

Best
Felix

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