ISSN 2285-1364, ISSN CD-ROM 2285-5521, ISSN ONLINE 2285-1372, ISSN-L 2285-1364
 

EFFECT OF CLIMATE CONDITIONS ON THE RIPENESS QUALITY INDICATORS OF SOME RED GRAPES FROM VALEA CĂLUGĂREASCĂ VINEYARD

Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXIII
Written by Elena COARFĂ, Mona Elena POPA

Grape maturation is a very complex biochemical process which influences wine quality. During maturation, grapes accumulates the sugars content, polyphenols, flavors, nitrogenous compounds, mineral substances, enzymes, vitamins, and other chemical compounds that participate in the formation of the wine quality. Grape maturation is strongly influenced by climatic conditions, so the quality of raw materials for wine varies widely from one year to another, from one vineyard to another. The aim of the present work is o evaluate the effects of pedo climatic influence of the year 2017 on grape maturation and quality parameters for 3 red cultivars in Valea Călugărească vineyard. For this purpose, three grapes cultivars: Cabernet Sauvignon, Merlot and Fetească neagră were analised from characteristics such us : sugar content, total acidity, 1000 grain weight , glucoacidimetric index. The experimental measurements were conducted during august-september of 2017 year. The research established the relation between the heliothermal regime of those year and quality indicators of the raw material for obtaining a good technological, phenolic and aromatic maturation for a superior quality of red wine.

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