1996•Journal of High Resolution ChromatographyRequires access

Micellar and microemulsion electrokinetic chromatography of hop bitter acids

Roman Szücs, Erik Van Hove, Pat Sandra

Abstract

Abstract The elution order of the hop α‐ and β‐acids has been studied under different modes of electrokinetic separation. A model is advanced to explain the shorter migration times of the more hydrophobic β‐acids compared to the α‐acids in micellar electrokinetic chromatography (MEKC). For quality control of the bitter principles in hops, the ruggedness of electrokinetic separation could be improved by replacing MEKC by microemulsion electrokinetic chromatography (MEEKC).

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Available abstract

Key concepts: Micellar electrokinetic chromatography, Electrokinetic phenomena, Chromatography, Microemulsion, Chemistry, Elution, Hop (telecommunications), Gradient elution