Eastern Gold is a Super Alpha variety developed in Japan by Kirin Brewing Co. Ltd Hops Research from Kirin No. 2 and OB79, an open-pollinated wild American hop. Despite its yield potential, high alpha acids and storage stability, it seems it is not currently being grown in any significant commercial capacity.
Very little is known about the history of its use and its flavor profile but it was originally bred in a similar vein to Toyomidori and Kitamidori as an effort to replace Kirin No. 2 with a similar, yet higher-alpha variety.
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| Also Known As | |
| Characteristics | |
| Purpose | Bittering |
| Alpha Acid Composition | 11%-14% |
| Beta Acid Composition | 5%-6% |
| Co-Humulone Composition | 27% |
| Country | Japan |
| Cone Size | |
| Cone Density | |
| Seasonal Maturity | Late |
| Yield Amount | |
| Growth Rate | Very high |
| Resistant to | Moderately resistant to downy mildew |
| Susceptible to | |
| Storability | Retains 81% alpha acid after 6 months storage at 20ºC (68ºF) |
| Ease of Harvest | |
| Total Oil Composition | 1.43 mL/100g |
| Myrcene Oil Composition | 42% |
| Humulene Oil Composition | 19% |
| Caryophyllene Oil | 7%-8% |
| Farnesene Oil | 3% |
| Substitutes | Brewer’s Gold |
| Style Guide |
Where to Buy Eastern Gold HopsAs a listing requirement, all suppliers below ship nationally to their respective countries. |
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References
http://www.freshops.com/hops/usda-named-hop-variety-descriptions#usda_id_21678
http://www.ars.usda.gov/SP2UserFiles/person/2450/hopcultivars/21678.html
http://onlinelibrary.wiley.com/store/10.1002/j.2050-0416.2000.tb00052.x/asset/
http://www.britishhops.org.uk/wp-content/uploads/2014/08/fact-sheet-press-day.-wye-hops.pdf
