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Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines.
J Agric Food Chem. 2007 Oct 17; 55(21):8696-702.JA

Abstract

A headspace sorptive extraction (HSSE) in combination with thermal desorption gas chromatography-mass spectrometry (TD-GC-MS) method for the analysis of volatile components (alcohols, esters, carbonyls, acids, phenols and lactones) in wine samples was developed. Extraction conditions such as salting-out effects, sorption time, stirring speed, phase ratio, extraction temperature, and effect of pH were thoroughly evaluated as part of method validation. The method was very sensitive with LODs and LOQs between 50 pg/L to 299 microg/L and 0.2 ng/L to 0.996 microg/L, respectively. Repeatability for all the compounds was between 3 and 22%. The intermediate repeatability was obtained within the acceptable range. Out of 39 volatile compounds selected, 37 were detected and quantitated. The method was found to be simple, cost-effective, sensitive, and use a small sample volume. The method was successfully applied for the routine analysis of 79 young red and white wine samples from various South African districts.

Authors+Show Affiliations

Weldegergis BT
Department of Chemistry and Polymer Science, University of Stellenbosch, Private Bag X1, Matieland 7602, Stellenbosch, South Africa.
Tredoux AG
No affiliation info available
Crouch AM
No affiliation info available

MeSH

AdsorptionGas Chromatography-Mass SpectrometryReproducibility of ResultsSensitivity and SpecificitySouth AfricaVolatilizationWine

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17927151

Citation

Weldegergis, Berhane T., et al. "Application of a Headspace Sorptive Extraction Method for the Analysis of Volatile Components in South African Wines." Journal of Agricultural and Food Chemistry, vol. 55, no. 21, 2007, pp. 8696-702.
Weldegergis BT, Tredoux AG, Crouch AM. Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines. J Agric Food Chem. 2007;55(21):8696-702.
Weldegergis, B. T., Tredoux, A. G., & Crouch, A. M. (2007). Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines. Journal of Agricultural and Food Chemistry, 55(21), 8696-702.
Weldegergis BT, Tredoux AG, Crouch AM. Application of a Headspace Sorptive Extraction Method for the Analysis of Volatile Components in South African Wines. J Agric Food Chem. 2007 Oct 17;55(21):8696-702. PubMed PMID: 17927151.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Application of a headspace sorptive extraction method for the analysis of volatile components in South African wines. AU - Weldegergis,Berhane T, AU - Tredoux,Andreas G J, AU - Crouch,Andrew M, Y1 - 2007/10/10/ PY - 2007/10/12/pubmed PY - 2007/12/6/medline PY - 2007/10/12/entrez SP - 8696 EP - 702 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 55 IS - 21 N2 - A headspace sorptive extraction (HSSE) in combination with thermal desorption gas chromatography-mass spectrometry (TD-GC-MS) method for the analysis of volatile components (alcohols, esters, carbonyls, acids, phenols and lactones) in wine samples was developed. Extraction conditions such as salting-out effects, sorption time, stirring speed, phase ratio, extraction temperature, and effect of pH were thoroughly evaluated as part of method validation. The method was very sensitive with LODs and LOQs between 50 pg/L to 299 microg/L and 0.2 ng/L to 0.996 microg/L, respectively. Repeatability for all the compounds was between 3 and 22%. The intermediate repeatability was obtained within the acceptable range. Out of 39 volatile compounds selected, 37 were detected and quantitated. The method was found to be simple, cost-effective, sensitive, and use a small sample volume. The method was successfully applied for the routine analysis of 79 young red and white wine samples from various South African districts. SN - 0021-8561 UR - https://www.unboundmedicine.com/medline/citation/17927151/Application_of_a_headspace_sorptive_extraction_method_for_the_analysis_of_volatile_components_in_South_African_wines_ L2 - https://doi.org/10.1021/jf071554p DB - PRIME DP - Unbound Medicine ER -