is an important part of the essential oils of various plants, most notably hops. It is considered the headlining feature of the green hop aroma. It has an odour which is described by chemists as herbaceous, resinous, green, balsamic, fresh hops.
The performed analysis can be an easy-to-use tool evaluating different chemotypes of hops. Further investigation of other hop samples, however, is necessary for the classification of the essential oils, whether they exhibit systemic changes from year to year.
Acknowledgements This work was supported by Vytautas Magnus University research fund F-08-03.