Editor Emeritus Stan Hieronymus has an article over at Beer&Brewing Magazine on Thiols – one of the compounds in hops that are responsible for those crazy hot tropical flavors.
Thiols, also known as mercaptans, are sulfur-containing organic compounds with a sulfur atom bound to a hydrogen atom. Thiols make up less than 1% of the essential oils in a hops cone but might hold a key to the fashionable in-demand tropical flavors.