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Near infrared spectroscopy as authentication tool of protect design of origin for Dalmatian wine produced from grape Maraština

The chemical composition of wine is highly influenced by the terroir, the viticultural area where vine interacts with the agronomic practices and environment (cultivar, geographic position, soil, climate conditions of a vineyard, along with the vineyard management). In accordance with EU Regulation (1308/2013) three viticultural areas in Dalmatia (Northern Dalmatia (ND), Dalmatian Hinterland (Dh) and Central and Southern Dalmatia (CSD)) can have protected designation of origin (PDO). This study is aimed to analyse the wine composition and investigate if they can be marked by chemical finger-prints from a given terroir by measuring the colour and standard chemical composition of wines produced from the grape from Vitis vinifera L., ‘Maraština’, harvested from 11 vineyards located in three different viticultural subregions of Croatian Adriatic region. Near infrared spectroscopy (NIRS) was used to examine the effectiveness of differentiating wines by regions with assistance of NIRS combined with chemometrics (Balbino et al., 2022).

NIR spectroscopy, Maraština, wine, PDO, chemometrics

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