geraniol

1.2 mg per capsule

Geraniol, like rose petals or floral hops”

Certified beer flavour standard used to train professional beer tasters to recognize and scale the intensity of geraniol character. Geraniol is contributed to beer through use of hops. It imparts a positive, floral note to beer.

Food grade | free from sensory impurities | extensively tested | safe to smell and taste.

Flavour cards

Flavour standard information

Technical specification

Assessment
The best way to pick up geraniol character in beer is as follow. Without covering the glass, swirl the beer to release the aroma. Take a single short sniff. Repeat as necessary.
Amount of flavour per capsule
1.2 mg per capsule
Threshold
The favour threshold of geraniol in beer is 20 - 400 µg / l.
Origins
Geraniol is contributed to beer via hops added in the kettle, during fermentation, or after fermentation. Concentrations of geraniol in beer depend on the hop variety, hopping regimen and process conditions.
Confusions

Professional tasters can confuse the floral character of geraniol with the following flavours

  • Kettle hop extract
  • cis-3-Hexenol
  • Hop oil extract
Importance
Geraniol is a positive flavour character of hoppy beers. t is partly responsible for the floral, rose-like note imparted by some hop varieties and hopping practices.
CAS registry number
The CAS registry number of geraniol is 106-24-1.
Other names
  • (E)-3,7-dimethyl-2,6-octadien-1-ol
  • 2-trans-3,7-dimethyl-2,6-octadien-1-ol
  • trans-3,7-dimethyl-2,6-octadien-1-ol
  • 2,6-dimethyl-2,6-octadien-8-ol
  • (E)-3,7-dimethyl-2,7-octadien-1-ol
  • trans-3,7-dimethyl-2,7-octadien-1-ol
  • 3,7-dimethyl-trans-2,6-octadien-1-ol
  • (2E)-3,7-dimethylocta-2,6-dien-1-ol
  • beta-geraniol
  • trans- geraniol
  • (E)-geraniol alcohol
  • (E)-geranyl alcohol
  • lemonol
  • meranol
  • (E)-nerol
  • (E)-nerol alcohol
  • (E)-neryl alcohol
Remarks
Geraniol is one of many terpene-related compounds found in hops which impart distinctive flavour notes to beer. Related flavour compounds include nerol, linalool and geranyl acetate.
Threshold distribution
Graph
Capsules per pot
10
Legal notices
This product is protected by the following trade marks and patents:
  • US Patent no. D679900
  • European Community Trade Mark
    Registration no. 009937574
  • European Community Trade Mark
    Registration no. 009856527
  • US Trade Mark Registration no. 4345057
  • US Trade Mark Registration no. 4345056
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geraniol beer flavour standard
earn 8 points
£79.00