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Opal

Dual PurposeHigh AlphaGermany
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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)

External Resources