Abstract
The characteristic aroma of Petite Arvine, a local white wine specialty prepared from the autochthone grape variety Petite Arvine in Valais, Switzerland, is described as intense in grapefruit and rhubarb flavors. In sensory evaluation by a triangle-test, the impact of thiol compounds on the wine aroma was demonstrated. In gas chromatography-olfactometry and gas chromatography-mass spectrometry analyses, 3-mercaptohexanol was identified as one of the key aroma compounds for the wine aroma. The concentration of 3-mercaptohexanol in 11 Petite Arvine wines was in the range between 210 and 6100 ng/L; all values being above the odor threshold value in aqueous ethanol solutions for this compound.
- Received January 2005.
- Revision received June 2005.
- Copyright © 2005 by the American Society for Enology and Viticulture
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