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A GC method for simultaneous analysis of bornesitol, other polyalcohols and sugars in coffee and its substitutes

AuthorsRuiz-Matute, Ana I. ; Montilla, Antonia ; Castillo, M. Dolores del ; Martínez-Castro, Isabel ; Sanz, M. Luz
Issue Date2007
PublisherJohn Wiley & Sons
CitationJournal of Separation Science 30: 557- 562 (2007)
AbstractA GC method has been developed for the determination of polyalcohols and sugars m aqueous extracts from green coffee beans, ground roasted coffee beans submitted to either conventional or torrefacto processes, coffee blends and soluble instant coffees. Bornesitol was detected in aqueous coffee extracts for the first time. Mannitol, myo-inositol, mannose, ftuctose, galactose, glucose and sucrose have also been determined. Results seem to indicate that coffee manufacturing processes, such as roasting or decaffeination, do not affect the polyalcohol content. Coffee substitutes based on cereals, carob or chicory, have also been studied. The possibility to characterize their presence in coffee extracts was evaluated. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Publisher version (URL)http://dx.doi.org/10.1002/jssc.200600381
Identifiersdoi: 10.1002/jssc.200600381
issn: 1615-9306
Appears in Collections:(IFI) Artículos
(CIAL) Artículos
(IQOG) Artículos
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