0000000001197544
AUTHOR
G Ansaldi
Evoluzione degli aromi varietali durante l’appassimento dell’uva Moscato d’Alessandria
Aromatic varietal polyphenols of sicilian autochthouns cultivars
Tecnica dell’acidificazione dei vini per diminuire il pH o incrementare l’acidità totale
Produzione di vini rosati con affinamento sur lies
Evoluzione degli antociani e dei flavonoidi durante la maturazione di uve autoctone e internazionali nell’ambiente della Sicilia Occidentale.
In the 2006 vintage was followed the evolution of total anthocyanis and total flavonoids of skins as well as of monomer catechins, dimer procyanidins and total flavonoids of seeds of Nero d’Avola, Syrah, Merlot and Cabernet sauvignon berries, in environments of average hill of western Sicily, warm - arid during the maturation period (from 18 to 21 August the temperatures overcome 40 °C). The situation of stress, caused by the high temperatures registered in the above period, even if negatively influenced the synthesis of the anthocyanis, did not induce important variations in the profiles of these molecules that remained quite invariant especially in Nero d’Avola and Syrah. The consequences…