Fractionation by SFE and Microcolumn Analysis of the Essential Oil and the Bitter Principles of Hops
Open Access
- 1 October 1992
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Chromatographic Science
- Vol. 30 (10) , 388-391
- https://doi.org/10.1093/chromsci/30.10.388
Abstract
Supercritical fluid extraction (SFE) is evaluated and optimized for the enrichment and fractionation of the essential oil and the bitter principles of hops (Hamulus lupulus), both of which contribute to the flavor of beer. Profiles of the essential oil of different hop varieties are compared. The bitter principles, the humulones and lupulones, are analyzed by miniaturized liquid chromatography (micro-LC) and by micellar electrokinetic chromatography (MEKC).Keywords
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