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Released by HortResearch Riwaka Hop Research Centre in 1997. A triploid aroma type bred during the development of New Zealand hops "hops with a difference" program. Developed through crossing "Old Line" Saazer with specially developed New Zealand breeding selections. Known for a strong citrus character and high oil content.
Chinook Hops are one of several varieties of hops cultivated in the Pacific Northwest of the United States. The United States of America is the world's largest producer of hops, the flowers of female Humulus lupulus plants. [1] The primary use of hops grown in the United States is in brewing. In 2019, the U.S. accounted for 40% of world hop ...
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Such varieties include Chinook, Galena, Horizon, Tomahawk, and Warrior hops, and these contain alpha acid concentrations up to 16% by mass. Since the bitterness is not influenced by beta acids, beta acids are not considered when selecting the variety of hop. Also, the amount of time that the hops are boiled affects the bitterness of the beer.
This week I seem to have had my fill of Sierra Nevada beers, first at a Steal the Pint Night at Fireworks, Arlington; and then at home comparing two special brews: Celebration Ale and Ovila Dubbel.
Aroma hops usually have a lower concentration of alpha acids (~5%) and are the primary contributors of hop aroma and (nonbitter) flavour. Bittering hops are boiled for a longer period of time, typically 60–90 minutes, and often have inferior aromatic properties, as the aromatic compounds evaporate during the boil.
In biology, the BBCH-scale for hops describes the phenological development of Humulus lupulus using the BBCH-scale. The phenological growth stages and BBCH-identification keys of hops are: Growth stage
The alpha acid "rating" on hops indicates the amount of alpha acid as a percentage of total weight of the hop. Hops with a higher alpha acid content will contribute more bitterness than a lower alpha acid hop when using the same amount of hops. High alpha acid varieties of hops are more efficient for producing highly bitter beers.