Simple gas chromatographic method for furfural analysis

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A new, simple, gas chromatographic method was developed for the direct analysis of 5-hydroxymethylfurfural (5-HMF). 2-furfural (2-F) and 5-methylfurfural (5-MF) in liquid and water soluble foods, using direct immersion SPME coupled to GC-FID and/or GC-TOF-MS. The fiber (DVB/CAR/PDMS) conditions were optimized: pH effect. temperature. adsorption and desorption times. The method is simple and accurate (RSD < 8%), showed good recoveries (77-107%) and good limits of detection (CC-FID: 1.37 mu g L-1 for 2-F, 8.96 mu g L-1 for 5-MF, 6.52 mu g L-1 for 5-HMF; GC-TOF-MS: 0.3, 1.2 and 0.9 ng mL(-1) for 2-F. 5-MF and 5-HMF, respectively). It was applied to different commercial food matrices: honey, white. demerara, brown and yellow table sugars, and white and red balsamic vinegars. This one-step, sensitive and direct method for the analysis of furfurals will contribute to characterise and quantify their presence in the human diet. (C) 2008 Elsevier B.V. All rights reserved.
Original languageUnknown
Pages (from-to)2762-2767
JournalJournal Of Chromatography A
Issue number14
Publication statusPublished - 1 Jan 2009

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