Phenolic Profiling of Aglianico and Cabernet Sauvignon Cultivars from Different Geographical Origin

In the 2020 and 2021 vintages, the basic physicochemical parameters and main phenolic compounds (anthocyanins and flavanols) of Aglianico and Cabernet Sauvignon grapes grown in three regions of Southern Italy (Sicilia, Campania, Molise) were determined. Monomeric anthocyanin profiles were then analyzed on wines made from the different grapes. The data collected showed that phenolic compounds were affected by different variables such as vintage, grape variety and geographic location. In the Aglianico grape in particular, the latitude and vintage highly influenced the acidity and phenolic compounds, in terms of richeness in flavanols, respect to Cabernet Sauvignon. On the other hand, the vineyard location affected monomeric anthocyanins in both varieties. These results support the concept that the interaction of intrinsic (such as grape variety) and extrinsic (such as location and winemaking techniques) factors are directly involved in the quality of the wines.