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Opal
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About
Developed by the Hull Hops Research Institute in Germany, Opal hops feature a clean aroma and flavor profile of spice and citrus with a hint of sweetness. It was released to the brewing world in 2004 and is considered useful for both aroma and bittering.
Origin
Released in 2004 and developed by the Hop Research Centre in Hull, Germany.
Flavor & Aroma Characteristics
CitrusBergamotApricotAniseedLiquoriceSlight SweetnessSpicySweetBlack PepperFloralHerbalAniseSweet SpicyPepper
Recommended Beer Styles
PilsnerHefeweizenHellesLagerBrown AleSaisonTripelWheatKolschBlonde Ale
Substitutes
Oil Composition
Myrcene
30-45%
Humulene
20-25%
Caryophyllene
9-10%
Farnesene
0-1%
Linalool
1-1.5%
Acid Profile
Alpha Acid13.0 - 14.0%
Beta Acid3.5 - 5.5%
Co-Humulone28-34%
Technical Details
Total Oil0.8-1.3 mL/100g
HSI0.35
Flavor Intensity5/10
Brewing Usebittering, late addition, dry hop
StorabilityRetains 60%-70% alpha acid after 6 months storage at 20°C (68°F)