Aromatic diversity of Vitis vinifera cv Albariño cuantificationof aromatic potential
Albariño is the most important cultivar of Vitis vinifera in Galicia (Spain) and northern Portugal. Musts from different geographic areas from Galicia have been analysed, in order to obtain their characterization by the contribution index. Monoterpenes were analyzed by gas chromatographic/mass spectrometry. O Rosal should be the most aromatic potential must since it contained significantly higher contribution index values of volatile compounds. The bound forms of the compounds detected are always higher than those of the free forms, as would correspond to a quality variety. The PCA shows a good differentiation among three groups of musts according to their geographic origin. The results of contribution index shown that the fruity aroma followed by the floral had the highest contribution to the overall aroma of the musts.
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