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Varietal characterization of hop (Humulus lupulus L.) by GC–MS analysis of hop cone extracts

✍ Scribed by Robert A. Shellie; Samuel D. H. Poynter; Jianfeng Li; Jessica L. Gathercole; Simon P. Whittock; Anthony Koutoulis


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
211 KB
Volume
32
Category
Article
ISSN
1615-9306

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✦ Synopsis


An approach is described for use in the varietal characterization of hop (Humulus lupulus L.) varieties. The study focuses on commercial hop varieties and was timed to coincide with the 2008 commercial hop harvest in Tasmania, Australia. Analysis of hop extracts was performed using GC-MS. A 60 m capillary column was employed to increase efficiency to permit the use of a quadrupole mass spectrometer in place of a time of flight mass spectrometer that is more commonly used for this type of analysis. A set of characterization functions were derived from discriminant analysis which were highly suitable for varietal characterization of the eight commercial varieties included in the study, namely Willamette, Victoria, Pride of Ringwood, Cascade, Southern Hallertau, Millennium, Southern Saaz, and Super Pride.