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South African
Wine Lab Association:

Phenols, Volatiles and Sensory Properties of Primitivo Wines from the "Gioia Del Colle" PDO area

A. Trani1, V. Verrastro3, R. Punzi1, M. Faccia1, G. Gambacorta1*

The aim of this study was to characterise the phenol, anthocyanin, volatile and sensory profiles of
Primitivo wines. The wines were produced in three wineries located in the Gioia del Colle PDO (Protected
Designation of Origin) area (Southern Italy – Apulia Region). The grapes came from three vineyards
of different ages and were grown according to different training systems. The winemaking techniques
applied also differed in some technological variables. The results obtained showed that all wines had a high
alcohol content (15 to 16% v/v) and were rich in total phenols and proanthocyanidins. The anthocyanin
profile was characterised by the prevalence of non-acylated forms, of which malvidin-3-O-monoglucoside
accounted for 62 to 67% of the total anthocyanin, followed by the coumarate, acetate and caffeate forms.
The volatile fraction was constituted mainly alcohols and esters, the latter having concentrations above
the odour threshold. From a sensory point of view, all wines were judged positively, and presented high
olfactory and gustatory persistence. The main odour attributes found were soft fruits, cherry and cloves.

red wine, Primitivo, phenols, volatiles, sensory

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