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Hydrolytically‐released volatile secondary metabolites from a juice sample of Vitis vinifera grape cvs Merlot and Cabernet Sauvignon

Hydrolytically‐released volatile secondary metabolites from a juice sample of Vitis vinifera... The volatile components of a Merlot and a Cabernet Sauvignon juice, as well as the volatile compounds released by acid‐ or glycosidase enzyme hydrolysis of C18 reverse phase isolates of the juices, have been analysed. The categories of constituents (i.e. monoterpenes, benzenoid compounds, norisoprenoids, aliphatic and miscellaneous compounds) and the components observed within these categories were broadly similar to those previously reported for other varieties. The potent flavour compound, damascenone, was a major component of the acid hydrolysates of both juice samples. The damascenone precursor trans‐megastigma‐6,7‐diene‐3,5,9‐triol was identified as a hydrolysis product of grape‐derived C18 reverse phase isolates for the first time. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Australian Journal of Grape and Wine Research Wiley

Hydrolytically‐released volatile secondary metabolites from a juice sample of Vitis vinifera grape cvs Merlot and Cabernet Sauvignon

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References (37)

Publisher
Wiley
Copyright
Copyright © 1998 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1322-7130
eISSN
1755-0238
DOI
10.1111/j.1755-0238.1998.tb00132.x
Publisher site
See Article on Publisher Site

Abstract

The volatile components of a Merlot and a Cabernet Sauvignon juice, as well as the volatile compounds released by acid‐ or glycosidase enzyme hydrolysis of C18 reverse phase isolates of the juices, have been analysed. The categories of constituents (i.e. monoterpenes, benzenoid compounds, norisoprenoids, aliphatic and miscellaneous compounds) and the components observed within these categories were broadly similar to those previously reported for other varieties. The potent flavour compound, damascenone, was a major component of the acid hydrolysates of both juice samples. The damascenone precursor trans‐megastigma‐6,7‐diene‐3,5,9‐triol was identified as a hydrolysis product of grape‐derived C18 reverse phase isolates for the first time.

Journal

Australian Journal of Grape and Wine ResearchWiley

Published: Apr 1, 1998

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