Also all of my audio episodes are on iTunes now - so grab the older episodes if you missed any. Older episodes are available on my revamped Youtube channel. ITunes Announcements: I launched a new video channel for the BeerSmith podcast on iTunes, so subscribe now! At the moment it will only feature the new widescreen episodes (#75 and up). Thanks to Stan Hieronymus for appearing on the show and also to you for listening!

You can subscribe to the BeerSmith newsletter for free to get some great articles on home brewing. 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.They make top quality brewing equipment built to last a lifetime. Anvil is a new line of kettles, burners and accessories from John Blichmann at Blichmann Engineering. I encourage you to subscribe to their great magazine! Thank you to our sponsor Craft Beer and Brewing Magazine for sponsoring this episode.We talk about his book 'The New IPA' and Scott shares his closing thoughts.Scott tells us about 'rousing' the hops.We discuss dry hop temperature and times and some of the tradeoffs to be made between time and temperature when dry hopping.Scott talks briefly about esters that come from the hops.We discuss Thiols, which despite their tiny quantities, are perhaps among the most important hop oils.The two seem to be important in creating fruity/tropical flavors in the finished beer. Next we discuss Monoterpene Alcohols which chiefly includes linalook and geraniol.We walk through the major groups of hop oils starting with hydrocarbons which includes oils like myrcene.Scott recently put together a MBAA article on 'Dry Hop Best Practices' and we begin with a discussion on what is actually being extracted in dry hopping.Scott explains his interest in dry hops and some of the latest research in this area.We start with a brief discussion about Sapwood Cellars.Scott is author of the recent book ' The New IPA: A Scientific Guide to Hop Aroma and Flavor” (Amazon affiliate link) and also co-founder of the Sapwood Cellars brewery in Columbia, Maryland. Subscribe on iTunes to Audio version or Video version or Spotify or Google Play Scott Janish joins me this week to talk about some of the latest research into dry hopping and the role of aroma hop oils in beer brewing.

Plastics welcome back rardy