Description
Refer to HOPS, EXTRACT.
Chemical Properties
The oil is present in hops in amounts of approximately 0.5%; yields after distillation range around 0.25%. The oil exhibits different physical–chemical constants depending on the source.
Uses
In beer brewing; oil in hair rinses and bath preparations.
Definition
Extractives and their physically modified derivatives. Humulus lupulus, Moraceae.
Essential oil composition
The oil contains β-myrcene, dipentene, α- and β-carophyllene, humulone, linalool, methyl nonyl
ketone and other substances (Burdock, 1997). The volatile oil primarily is composed of humulene (α-caryophyllene), myrcene,
β-caryophyllene and farnesene, which account for more than 90% of the oil fraction.
Aroma threshold values
Aroma characteristics at 1.0%: floral, sweet, fruity, slightly green tagette, with a herbaceous, terpy and
woody vegetative note
Taste threshold values
Taste characteristics at 5.0 ppm: floral, sweet, fruity, woody, citrus terpy with a tropical nuance.
