Influenza del sito di coltivazione nella espressione aromatica del Moscato liquoroso di Pantelleria

ln 1997, twenty six cultivation sites of cv. Muscat of Alexandria different for pedological conditions, altitude and exposition were selected through ail Pantelleria isle. ln each site, described and classified according to USDA Soil Taxonony and FAO Soil Classification methods, grapes, collected at technological ripening, were microvinificated, following a standard procedure which allowed to obtain the naturally sweet wine DOC Moscato di Pantelleria. Wines, five months after vinification, were analysed by gaschromatography. Moreover they were described by sensorial analysis using a non structured parametric card. The different pedological substrates, but above ail, the expositions, summarised in some landscape units, determined important differences in the accumulation process which delayed up to 40-50 days the ripening among the early and late sites. Wines produces in the early sites presented a particular sensorial profile either in quantity and in quality, with sensorial descriptors linked to citrus, white flowers and green legumes, while in wines produces with grapes of late sites, sensorial descriptors were linked to fruit jam and stone fruits. Different mixture of wines comingfrom the two different origins resulted in complex and elegant wines.

Authors: BRANCADORO L. (1), PILENGA C. (1), SCIENZA A. (1), LANATI D. (2), GUAITOLI F. (3), PERCIABOSCO M. (3), PUMO A. (3)

(1) lstituto di Coltivazioni Arboree – Università degli Studi – Milano
(2) ENOSIS, Cuccaro Monferrato – Alessandria
(3) Assessorato Agricoltura e Foreste – Regione Sicilia

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