期刊
FOOD CHEMISTRY
卷 203, 期 -, 页码 41-48出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.02.034
关键词
Megastigmatrienone; Tabanone; Armagnac; Cognac; Rum; Tobacco-like aroma; SPME; Oak
资金
- French Ministere de l'Enseignement Superieur et de la Recherche (MESR - France)
- Conseil Interprofessionnel des Vins de Bordeaux (CIVB - Bordeaux Wine Council)
A SPME-GC-MS method was adapted and validated in order to quantify 5 megastigmatrienones and related odorous compounds from oak wood: guaiacol, cis-whisky lactone, trans-whisky lactone, gamma-cnonalactone, eugenol, vanillin, and acetovanillone in a single run. The five megastigmatrienone isomers (tabanones) were quantified, for the first time, in Cognac, Armagnac and rum, as contributors to tobacco-like aromas. Spirits aged in oak barrels contain higher amounts, but megastigmatrienones are also present in freshly-distilled spirits. Statistical analysis revealed that freshly-distilled and barrel-aged spirits were differentiated by their megastigma-4,7E, 9-trien-3-one levels. The Armagnac and Cognac samples were distinguished by their concentrations of the megastigma-4,6Z, 8E-trien-3-one isomer. (c) 2016 Elsevier Ltd. All rights reserved.
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