The stir bar sorptive extraction (SBSE) techniques, coupled with gas chromatography–mass spectrometry, were successfully applied to the study of Eucalyptus honey’s for the determination of volatile organic compounds (VOCs). An optimization of the extraction method was carried out and the variables, NaCl concentration (used as matrix modifier), and the concentration of honey solution were studied targeting the whole VOCs composition. After the evaluation of the experiments, the best condition for the extraction of honey volatile components was 2 mol/L of NaCl and the more concentrated honey solution (0.5 g of honey per mL of water). Additionally, the results were compared with those obtained by two headspace (HS) techniques, namely solid-phase microextraction (SPME) and dynamic headspace (DHS). SBSE volatiles differ qualitatively and quantitatively from those obtained by the SPME and DHS methods. In any event, the chemical composition of Eucalyptus honey volatiles extracted by all three techniques shows the presence of some typical floral markers. Our results confirm a general trend reported in the literature, which show the higher sensitivity of SBSE in the extraction of less volatile compounds in comparison with HS methods

Stir Bar Sorptive Extraction coupled with GC/MS Applied to Honey: Optimization Method and Comparative Study with Head Space Extraction Techniques / Petretto, Giacomo Luigi; Urgeghe, Pietro Paolo; Mascia, Ilaria; Fadda, Costantino; Rourke, J. P.; Pintore, Giorgio Antonio Mario. - In: EUROPEAN FOOD RESEARCH AND TECHNOLOGY. - ISSN 1438-2385. - 243:5(2017), pp. 735-741. [10.1007/s00217-016-2787-9]

Stir Bar Sorptive Extraction coupled with GC/MS Applied to Honey: Optimization Method and Comparative Study with Head Space Extraction Techniques

PETRETTO, Giacomo Luigi;URGEGHE, Pietro Paolo;MASCIA, Ilaria;FADDA, Costantino;PINTORE, Giorgio Antonio Mario
2017

Abstract

The stir bar sorptive extraction (SBSE) techniques, coupled with gas chromatography–mass spectrometry, were successfully applied to the study of Eucalyptus honey’s for the determination of volatile organic compounds (VOCs). An optimization of the extraction method was carried out and the variables, NaCl concentration (used as matrix modifier), and the concentration of honey solution were studied targeting the whole VOCs composition. After the evaluation of the experiments, the best condition for the extraction of honey volatile components was 2 mol/L of NaCl and the more concentrated honey solution (0.5 g of honey per mL of water). Additionally, the results were compared with those obtained by two headspace (HS) techniques, namely solid-phase microextraction (SPME) and dynamic headspace (DHS). SBSE volatiles differ qualitatively and quantitatively from those obtained by the SPME and DHS methods. In any event, the chemical composition of Eucalyptus honey volatiles extracted by all three techniques shows the presence of some typical floral markers. Our results confirm a general trend reported in the literature, which show the higher sensitivity of SBSE in the extraction of less volatile compounds in comparison with HS methods
Stir Bar Sorptive Extraction coupled with GC/MS Applied to Honey: Optimization Method and Comparative Study with Head Space Extraction Techniques / Petretto, Giacomo Luigi; Urgeghe, Pietro Paolo; Mascia, Ilaria; Fadda, Costantino; Rourke, J. P.; Pintore, Giorgio Antonio Mario. - In: EUROPEAN FOOD RESEARCH AND TECHNOLOGY. - ISSN 1438-2385. - 243:5(2017), pp. 735-741. [10.1007/s00217-016-2787-9]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11388/165446
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