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Rapid determination of 5-hydroxymethylfurfural by DART ionization with time-of-flight mass spectrometry
A. Rajchl, L. Drgová, A. Grégrová, H. Cížková, R. Sevčík, M. Voldřich,
Language English Country Germany
Document type Journal Article, Research Support, Non-U.S. Gov't
NLK
ProQuest Central
from 2011-01-01 to 1 year ago
Medline Complete (EBSCOhost)
from 2003-01-01 to 1 year ago
Health & Medicine (ProQuest)
from 2011-01-01 to 1 year ago
- MeSH
- Furaldehyde analogs & derivatives analysis MeSH
- Equipment Failure Analysis MeSH
- Equipment Design MeSH
- Spectrometry, Mass, Electrospray Ionization instrumentation methods MeSH
- Computer Systems MeSH
- Reproducibility of Results MeSH
- Sensitivity and Specificity MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
DART (direct analysis in real time), a novel technique with wide potential for rapid screening analysis, coupled with high-resolution time-of-flight mass spectrometry (TOF-MS) has been used for quantitative analysis of 5-hydroxymethylfurfural (5-HMF), a typical temperature marker of food. The DART/TOF-MS method was optimised and validated. Quantification of 5-HMF was achieved by use of a stable isotope-labelled 5-HMF standard prepared from glucose. Formation of 5-HMF from saccharides, a potential source of overestimation of results, was evaluated. Forty-four real samples (honey and caramelised condensed sweetened milk) and 50 model samples of heated honey were analysed. The possibility of using DART for analysis of heated samples of honey was confirmed. HPLC and DART/TOF-MS methods for determination of 5-HMF were compared. The correlation equation between these methods was DART = 1.0287HPLC + 0.21340, R(2) = 0.9557. The DART/TOF-MS method has been proved to enable efficient and rapid determination of 5-HMF in a variety of food matrices, for example honey and caramel.
References provided by Crossref.org
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