The Impact of Hop Freshness on Kettle-Hopped Beers
Ksenija Rutnik,
Miha Ocvirk,
Iztok Jože Košir
Abstract:Hops are an indispensable ingredient in beer, and the differences in their chemical composition impart the various tastes and aromas associated with different beers. However, during storage, hops undergo changes in their chemical composition. Here, the changes in aroma and bitterness of kettle-hopped beers were evaluated in an experiment conducted on three different hop varieties (Aurora, Celeia and Styrian Wolf) with five different hop storage index (HSI) values (0.3–0.7). Hops were added to boiling wort for … Show more
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