Hop Oils and Late Hop Essences

Preparation:	Oil - fractionated from whole LCO2 extract and purified by vacuum distillation Essences - fractionated from whole oil by column chromatography
Major Role:	Enhancement of hop aroma and flavor in beer
Method of Use:	Oil - addition to the kettle or added to the final beer as in dry hopping Essences - addition to beer at any post-fermentation stage

Composition
Oils	-	pure varietal oils or a blended oil
Essences	-	1% solution of hop oil fraction in 80% ethanol
Late Hop Essence Spicy	-	terpene and sequiterpene oxides and alcohols
Late Hop Essence Floral	-	the ketone fraction

Advantages

Oils	-	easy to handle and store
	-	standardized and consistent
	-	available in variety specific or generic forms
Essences	-	easy to handle store and use
	-	standardized and consistent
	-	available in generic and now variety specific forms
Both	-	provide means for precisely adjusting and controlling the flavor of beer
	-	produced totally by physical means with no chemical processing
	-	free of residues and foreign matter

Disadvantages
Oils	-	require emulsifying or shaking with alcohol-based solvent prior to use
Essences	-	costly shipping of flammable materials in small quantities
Both	-	minimum quantity and notice required for variety specific product

Hopunion LLC • 203 Division Street • Yakima, Washington • (509) 457-3200 • (800) 952-4873