KEY NORISOPRENOID COMPOUNDS IN WINES FROM EARLY-HARVESTED GRAPES IN VIEW OF CLIMATE CHANGE
In view of climate change, the aromatic expression of Barbera and Pinot Noir wines produced with early harvested grapes was assessed. Attention was focused on C13 norisoprenoids during both alcoholic fermentation and after three months of storage. At the end of fermentation, the highest β-damascenone content was detected in wines obtained from less ripe grapes, the content subsequently increased significantly after three months of storage.
Scheduling an early harvest is an agronomic option to limit wine alcohol, provided that a satisfactory content of secondary metabolites can be ensured in grapes. The reduction of wine alcohol as a result of harvesting earlier, especially for Barbera wines, was associated with optimal aromatic levels as well as good technological parameters.
https://doi.org/10.1016/j.foodchem.2018.06.069
Published in Food chemistry, 268, 143-152 (2018)
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- Γεωτοποθεσία
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Alcohol degree management
Work in progress _ this solution card is still being written
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Aromatic and polyphenolic quality of grapes and wines
Modulation of Secondary metabolites of grapes under climate change conditions
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CREA - Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria
CREA is the leading Italian pubblic research organization dedicated to the agri-food supply chains. It is supervised by the Ministry of Agricultural, Food and Forestry Policies