This week Chris Graham and Vito Delucchi from MoreBeer join me to discuss how to free the thiols in your hops to create fruity IPAs and New England IPAs.

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Topics in This Week’s Episode (39:04)

• This week I welcome back Chris Graham and Vito Delucchi. Chris is the President of MoreBeer, and has been brewing over 20 years. Vito is the MoreBeer curator of content and a BJCP certified beer judge.
• Chris does a short update on some of the new things happening at MoreBeer.
• Vito tells us about the importance of thiols which are compounds primarily in hops that have a huge impact on aroma in the finished beer. In particular these compounds can generate desirable tropical fruit flavors in beers like IPAs and New England IPAs.
• Chris explains how you can use a combination of techniques and ingredients to really enhance the fruity aroma in your beer.
• Cito discusses what to look for in a hop – particularly to use US, New Zealand and Australian varieties that have higher thiol, linalool and geraniol.
• Chris tells us a bit about the additives like Phantasm that can increase the free thiol content in a finished beer by freeing thiols in the hops.
• Vito discusses the difference between thiol content and free thiols.
• Chris discusses certain yeasts that have been modified or bred to enhance the biotransformations that happen during fermentation to create the fruity compounds.
• Vito discusses these yeast and who has them.
• Chris talks a bit about dry hop additions during active fermentation and how they can have an impact as well.
• Vito talks again about hop selection and a few aids you can use to enhance hop selection.
• We discuss the results of combining these techniques.
• Vito tells us where to learn more.
• Both guests provide their closing thoughts.

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 Web, 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 Chris Graham and Vito Delucchi for appearing on the show and also to you for listening!
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