NDLI: Quantitative determination of α-ionone, β-ionone, and β-damascenone and enantiodifferentiation of α-ionone in wine for authenticity control using multidimensional gas chromatography with tandem mass spectrometric detection

Content Provider	Springer Nature Link
Author	Langen, Johannes Wegmann Herr, Pascal Schmarr, Hans Georg
Copyright Year	2016
Abstract	Native concentrations of α-ionone, β-ionone, and β-damascenone were studied in various authentic and commercial wines. In addition, the enantiomeric distribution of α-ionone was determined and its merits as a potential marker for aroma adulteration in wine were discussed. For extraction of volatiles, headspace solid-phase microextraction (HS-SPME) was applied, followed by heart-cut multidimensional gas chromatography coupled to tandem mass spectrometric detection for trace-level analysis. The enantioselective analysis of α-ionone was achieved with octakis(2,3-di-O-pentyl-6-O-methyl)-γ-cyclodextrin as the chiral selector in the separation column for gas chromatography (GC). In all the authentic wines studied, α-ionone showed a high enantiomeric ratio in favor of the (R)-enantiomer. Since an illegal addition of α-ionone in a racemic form changes the enantiomeric ratio, this ratio may serve as an adulteration marker. Concentrations varied between
Starting Page	6483
Ending Page	6496
Page Count	14
File Format	PDF
ISSN	16182642
Journal	Analytical and Bioanalytical Chemistry
Volume Number	408
Issue Number	23
e-ISSN	16182650
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-07-14
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Heart-cut multidimensional gas chromatography Tandem mass spectrometry C13-Norisoprenoids Adulteration Authenticity Enantiodifferentiation Odor threshold determination Analytical Chemistry Biochemistry Laboratory Medicine Characterization and Evaluation of Materials Food Science Monitoring/Environmental Analysis
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Biochemistry

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