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Am. J. Enol. Vitic. 49:1:44-48 (1998)
Copyright © 1998 by the American Society for Enology and Viticulture.
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An Analytical Method for Studying the Volatile Compounds of Merlot noir Clone Wines

Y. Kotseridis 1, A. Anocibar Beloqui 2, A. Bertrand 2, and J. P. Doazan 3

1 Bursar of State Scholarships Foundation of Greece
2 Laboratoire de Chimie Analytique, Faculté d'OElignologie, Université de Bordeaux II, 351 cours de la Libération, 33405 Talence
3 Institut Nationale de la Recherche Agronomique, U.R.E.F.V., BP 81, 33883 Villenave d'Ornon Cedex., France

An analytical method to determine the volatile components of wines is proposed for studying Merlot noir cultivar clones (181, 182, 343, 347) produced in 1993 and 1994. The substances were 3-isobutyl-2-methoxypyrazine, three norisoprenoid-ketones, free terpenols and the alcohols with six carbon atoms. Wines made from the 1993 harvest contained more 3-isobutyl-2-methoxypyrazine and fewer norisoprenoids-ketones because of the cooler climatic conditions in that year. The wine of clone 182 had higher levels of 3-isobutyl-2-methoxypyrazine for the two harvests.

Key words: clone, analytical method, aroma compounds, 3-isobutyl-2-methoxypyrazine, norisoprenoidketones, SIM mode

Submitted on October 14, 1996




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M. J. Benz, M. M. Anderson, M. A. Williams, K. Barnhisel, and J. A. Wolpert
Viticultural Performance of Five Merlot Clones in Oakville, Napa Valley
Am. J. Enol. Vitic., June 1, 2006; 57(2): 233 - 237.
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Copyright © 1998 by the American Society for Enology and Viticulture.