About: Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry

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About: Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work, a recently developed extraction technique for sample preparation aiming the analysis of volatile and semi-volatile compounds named gas-diffusion microextraction (GDME) is applied in the chromatographic analysis of aldehydes in beer. Aldehydes?namely acetaldehyde (AA), methylpropanal (MA) and furfural (FA)?were simultaneously extracted and derivatized with 2,4-dinitrophenylhydrazine (DNPH), then the derivatives were separated and analyzed by high-performance liquid chromatography with spectrophotometric detection (HPLC?UV). The identity of the eluted compounds was confirmed by high-performance liquid chromatography?atmospheric pressure chemical ionization?mass-spectrometry detection in the negative ion mode (HPLC?APCI?MS). The developed methodology showed good repeatability (ca. 5%) and linearity as well as good limits of detection (AA?12.3, FA?1.5 and MA 5.4 μg L-1) and quantification (AA?41, FA?4.9 and MA 18 μg L-1); it also appears to be competitive in terms of speed and cost In this work, a recently developed extraction technique for sample preparation aiming the analysis of volatile and semi-volatile compounds named gas-diffusion microextraction (GDME) is applied in the chromatographic analysis of aldehydes in beer. Aldehydes?namely acetaldehyde (AA), methylpropanal (MA) and furfural (FA)?were simultaneously extracted and derivatized with 2,4-dinitrophenylhydrazine (DNPH), then the derivatives were separated and analyzed by high-performance liquid chromatography with spectrophotometric detection (HPLC?UV). The identity of the eluted compounds was confirmed by high-performance liquid chromatography?atmospheric pressure chemical ionization?mass-spectrometry detection in the negative ion mode (HPLC?APCI?MS). The developed methodology showed good repeatability (ca. 5%) and linearity as well as good limits of detection (AA?12.3, FA?1.5 and MA 5.4 μg L-1) and quantification (AA?41, FA?4.9 and MA 18 μg L-1); it also appears to be competitive in terms of speed and cost (en)
Title	Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry (en)
skos:prefLabel	Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry Analysis of aldehydes in beer by gas-diffusion microextraction: Characterization by high-performance liquid chromatography?diode-array detection?atmospheric pressure chemical ionization?mass spectrometry (en)
skos:notation	RIV/60461373:22340/10:00023379!RIV11-MSM-22340___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0570), Z(MSM6046137305)
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Dostálek, Pavel Sýkora, David
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	246345
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/10:00023379
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Gas-diffusion microextraction (GDME); beer; aldehydes; acetaldehyde; furfural; methylpropanal (en)
http://linked.open.../riv/klicoveSlovo	aldehydes beer acetaldehyde furfural Gas-diffusion microextraction (GDME) methylpropanal
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[8CBC410E87F9]
http://linked.open...i/riv/nazevZdroje	Journal of Chromatography A
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Research Centre for Study of Extract Compounds of Barley and Hop
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	1217
http://linked.open...iv/tvurceVysledku	Dostálek, Pavel Sýkora, David Rodrigues, J. Barros, A. Goncalves, L. Magalhaes, P. Pacheco, J. Valente, I.
http://linked.open...ain/vavai/riv/wos	000278563900001
http://linked.open...n/vavai/riv/zamer	Teoretické základy potravinářských a biochemických technologií
issn	0021-9673
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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