This investigation is based on the automated solid phase microextraction GC-MSanalysis of the volatile fraction of a variety of coffee bean matrices. Volatile analyteswere extracted by headspace (HS)-SPME which was achieved with the support ofautomated instrumentation. The research was directed towards various importantaspects relating to coffee aroma analysis: monitoring of the volatile fraction formationduring roasting; chromatographic differentiation of the two main coffee species (Arabicaand Robusta) and of a single species from different geographical origins; evaluationof the influence of specific industrial treatments prior to roasting. Reliable peakassignment was carried out through the use of a recently laboratory-constructed “flavourand fragrance” library and a dual-filter MS spectral search procedure. Furtheremphasis was placed on the automated SPME instrumentation and on its ability tosupply highly repeatable chromatographic data.

Reliable characterzation of coffee bean aroma profiles through automated headspace solid phase microextraction-gas chromatography-mass spectrometry with the support of a dual-filter mass spectra library

FAZIO, Alessia;
2005

Abstract

This investigation is based on the automated solid phase microextraction GC-MSanalysis of the volatile fraction of a variety of coffee bean matrices. Volatile analyteswere extracted by headspace (HS)-SPME which was achieved with the support ofautomated instrumentation. The research was directed towards various importantaspects relating to coffee aroma analysis: monitoring of the volatile fraction formationduring roasting; chromatographic differentiation of the two main coffee species (Arabicaand Robusta) and of a single species from different geographical origins; evaluationof the influence of specific industrial treatments prior to roasting. Reliable peakassignment was carried out through the use of a recently laboratory-constructed “flavourand fragrance” library and a dual-filter MS spectral search procedure. Furtheremphasis was placed on the automated SPME instrumentation and on its ability tosupply highly repeatable chromatographic data.
Coffee beans; Coffee volatiles; SPME
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/132216
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