Development and evaluation of a HS-SPME GC-MS method for determining the retention of volatile phenols by cyclodextrin in model wine
Development and evaluation of a HS-SPME GC-MS method for determining the retention of volatile phenols by cyclodextrin in model wine
Volatile phenols exist in wine and can be markers for Brettanomyces and smoke taint off-odors. Cyclodextrins (CDs) are found to be capable of forming inclusion complexes with volatile phenols. Cross peaks on 2D 1H ROESY nuclear magnetic resonance (NMR) spectra demonstrated inclusion of volatile phenols in the β-CD cavity, while difference tests confirmed this resulted in a perceptible reduction of their sensory impact. However, a conventional headspace solid phase microextraction (HS-SPME) method using an isotopically labelled normalizing standard failed to quantify the residual volatile phenols by gas chromatography-mass spectrometry (GC-MS) because of inclusion of the standard by the CDs. A new method involving an additional liquid phase was developed and validated for quantitation of volatile phenols in the presence of CDs. The retention of eight volatile phenols by α-, β-, and γ-CD was subsequently studied.
Brettanomyces, Cyclodextrins, Gas chromatography-mass spectrometry, Nuclear magnetic resonance, Smoke taint, Volatile phenols, Wine
Dang, Chao
c451e6b4-db7a-4930-807f-e66ba58a3652
Wilkinson, Kerry L.
0c1eb74c-103b-4c21-b1db-50c205c25b3f
Jiranek, Vladimir
8e5a8dfd-f5b2-43e3-928b-11dff324abc7
Taylor, Dennis K.
c742f7be-109c-4dfc-aab6-7413fe40cc79
21 September 2019
Dang, Chao
c451e6b4-db7a-4930-807f-e66ba58a3652
Wilkinson, Kerry L.
0c1eb74c-103b-4c21-b1db-50c205c25b3f
Jiranek, Vladimir
8e5a8dfd-f5b2-43e3-928b-11dff324abc7
Taylor, Dennis K.
c742f7be-109c-4dfc-aab6-7413fe40cc79
Dang, Chao, Wilkinson, Kerry L., Jiranek, Vladimir and Taylor, Dennis K.
(2019)
Development and evaluation of a HS-SPME GC-MS method for determining the retention of volatile phenols by cyclodextrin in model wine.
Molecules, 24 (19), [3432].
(doi:10.3390/molecules24193432).
Abstract
Volatile phenols exist in wine and can be markers for Brettanomyces and smoke taint off-odors. Cyclodextrins (CDs) are found to be capable of forming inclusion complexes with volatile phenols. Cross peaks on 2D 1H ROESY nuclear magnetic resonance (NMR) spectra demonstrated inclusion of volatile phenols in the β-CD cavity, while difference tests confirmed this resulted in a perceptible reduction of their sensory impact. However, a conventional headspace solid phase microextraction (HS-SPME) method using an isotopically labelled normalizing standard failed to quantify the residual volatile phenols by gas chromatography-mass spectrometry (GC-MS) because of inclusion of the standard by the CDs. A new method involving an additional liquid phase was developed and validated for quantitation of volatile phenols in the presence of CDs. The retention of eight volatile phenols by α-, β-, and γ-CD was subsequently studied.
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Published date: 21 September 2019
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Funding Information:
Funding: This research was conducted by the Australian Research Council Training Centre for Innovative Wine Production (www.adelaide.edu.au/tc-iwp), which is funded as part of the ARC’s Industrial Transformation Research Program (Project No. ICI30100005), with support from Wine Australia and industry partners.
Funding Information:
This research was conducted by the Australian Research Council Training Centre for Innovative Wine Production (www.adelaide.edu.au/tc-iwp), which is funded as part of the ARC's Industrial Transformation Research Program (Project No. ICI30100005), with support fromWine Australia and industry partners
Publisher Copyright:
© 2019 by the authors.
Keywords:
Brettanomyces, Cyclodextrins, Gas chromatography-mass spectrometry, Nuclear magnetic resonance, Smoke taint, Volatile phenols, Wine
Identifiers
Local EPrints ID: 482668
URI: http://eprints.soton.ac.uk/id/eprint/482668
ISSN: 1420-3049
PURE UUID: 3ca82f58-2571-48e3-b8c6-c03876391729
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Date deposited: 11 Oct 2023 16:50
Last modified: 18 Mar 2024 04:12
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Contributors
Author:
Chao Dang
Author:
Kerry L. Wilkinson
Author:
Vladimir Jiranek
Author:
Dennis K. Taylor
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