Technological characteristic of Chardonnay clone 37-28, grown in the Pleven region
Keywords:
Chardonnay; chemical composition; clone; grapes; mechanical analysis; wineAbstract
In the period 2011-2013, a technological characteristic of the Ukrainian clone Chardonnay 37-28 was made at the IVE – Pleven. The Bulgarian clone Chardonnay 6-48 was used for control. During the grapes ripening stage, the dynamics of sugar accumulation in the grapes was monitored. Upon technological maturity the indicators of the yields were reported and mechanical analysis was performed. The chemical composition of the must, the obtained wines and their organoleptic qualities were analyzed. Chardonnay 37-28 had a lower average mass per cluster and a lower average yield compared to the Bulgarian clone. In mechanical composition it was typically wine clone and did not differ significantly in the cluster and berry structure from the control, had a high theoretical yield, intense sugar accumulation and lower titratable acids. The experimental wines were of high alcohol content, good titratable acidity, and insignificant differences in the concentration of total phenolic compounds and color intensity. The control wines had better organoleptic properties and were therefore scored higher than those of the Ukrainian clone.
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