| Title: | Comparison of micro-scale simultaneous distillation-extraction and stir bar sorptive extraction for the determination of volatile organic constituents of grape juice |
| Author(s): | Caven-Quantrill DJ; Buglass AJ; |
| Address: | "Belmay Ltd., Wellingborough, Northants NN8 2RN, United Kingdom" |
| DOI: | 10.1016/j.chroma.2006.03.091 |
| ISSN/ISBN: | 0021-9673 (Print) 0021-9673 (Linking) |
| Abstract: | "Traditional micro-scale simultaneous distillation-extraction (SDE) and stir bar sorptive extraction (SBSE) were compared for their effectiveness in the extraction of volatile organic compounds in a synthetic grape juice and a real grape juice (Huxelrebe, a variety of half Muscat ancestry) from an English vineyard. The novel immersion-mode SBSE method, using stir bars with PDMS sorbent, was optimised using the synthetic grape juice. Although mean percent relative recoveries and reproducibilities (%CV) of the SBSE method were inferior to SDE (28.4 and 8.5%, respectively, against 86.9 and 6.3%), the former method proved to be significantly more sensitive: 126 aroma compounds in Huxelrebe grape juice were identified using SBSE, against 98 using SDE. This allowed the identification of a number of volatile components that have not been reported previously in the juice or wine from the grapes of Muscat varieties" |
| Keywords: | Beverages/*analysis Organic Chemicals/*analysis Sensitivity and Specificity Vitis/*chemistry Volatilization; |
| Notes: | "MedlineCaven-Quantrill, Darren J Buglass, Alan J eng Comparative Study Research Support, Non-U.S. Gov't Netherlands 2006/04/20 J Chromatogr A. 2006 Jun 9; 1117(2):121-31. doi: 10.1016/j.chroma.2006.03.091. Epub 2006 Apr 18" |
