Identification of saffron aroma compound β-isophorone (3,5,5-trimethyl-3-cyclohexen-1-one) in some V. vinifera grape varieties.

Authors :: Panighel A
Maoz I
De Rosso M
De Marchi F
Dalla Vedova A
Gardiman M
Bavaresco L
Flamini R
Source :: Food chemistry [Food Chem] 2014 Feb 15; Vol. 145, pp. 186-90. Date of Electronic Publication: 2013 Aug 20.
Publication Year :: 2014
Abstract: Carotenoid-derived aroma compounds play an important role in the composition of aroma and grapes, and consequently of wine. The volatile composition of forty-five grape varieties harvested in 2011 and 2012 was investigated by solid phase extraction of samples and gas chromatography-mass spectrometry (GC-MS) analysis. In grape extracts of cultivars Barbera, Refosco dal Peducolo Rosso, Ribolla gialla and Rossese, the C9-norisoprenoid compound β-isophorone (3,5,5-trimethyl-3-cyclohexen-1-one) was found and quantified. This carotenoid-derived compound is characterised by a saffron aroma and is here reported in grape for the first time.<br /> (Copyright © 2013 Elsevier Ltd. All rights reserved.)

Subjects :: Gas Chromatography-Mass Spectrometry methods
Solid Phase Extraction
Crocus chemistry
Cyclohexanones analysis
Vitis chemistry

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