Preparative Separation of Bitter Acids from Hop Extracts by Centrifugal Partition Chromatography
Hermans-Lokkerbol A.C.J., Hoek A.C., Verpoorte R. Preparative Separation of Bitter Acids from Hop Extracts by Centrifugal Partition Chromatography. J. Chromatogr. A. 771:1997;71-80.
Analysis of Proposed Aromatic Precursors of Hop Bitter Acids
Fung S.Y., Brussee J., van der Hoeven R.A.M., Niessen W.M.A., Scheffer J.J.C., Verpoorte R. Analysis of Proposed Aromatic Precursors of Hop Bitter Acids. J. Nat. Prod. 57:1994;452-459.
Development and Validation of a High Performance Liquid Chromatography System for the Analysis of Hop Bitter Acids
Hermans-Lokkerbol A.C.J., Verpoorte R. Development and Validation of a High Performance Liquid Chromatography System for the Analysis of Hop Bitter Acids. J. Chromatogr. A. 669:1994;65-73.
Preparative Separation and Isolation of Three α-Bitter Acids from Hop, Humulus lupulus L., by Centrifugal Partition Chromatography
Hermans-Lokkerbol A.C.J., Verpoorte R. Preparative Separation and Isolation of Three α-Bitter Acids from Hop, Humulus lupulus L., by Centrifugal Partition Chromatography. J. Chromatogr. A. 664:1994;45-53.
High Performance Liquid Chromatography with Photodiode Array Detection of Minor Hop Bitter Acids in Hops Extracts and in Beer
Verzele M., van de Velde N. High Performance Liquid Chromatography with Photodiode Array Detection of Minor Hop Bitter Acids in Hops Extracts and in Beer. J. Chromatogr. 387:1987;473-480.
Micellar Eelectrokinetic Chromatography of Ionic Compounds: The Analysis of Hop Bitter Acids
Vindevogel J., Sandra P. Micellar Eelectrokinetic Chromatography of Ionic Compounds The Analysis of Hop Bitter Acids . J. High Res. Chromatogr. 14:1991;795-801.
Characterization of Hop Acids by Liquid Chromatography with Negative Electrospray Ionization Mass Spectrometry
Hofte A.J.P., van der Hoeven R.A.M. Characterization of Hop Acids by Liquid Chromatography with Negative Electrospray Ionization Mass Spectrometry. J. Am. Soc. Brew. Chem. 56:1998;118-122.