 This study analyzed the phenolic compounds in seeds, skins, and stems of red wine great varieties grown in Turkey. Finding that Boggazkir had the highest total phenolic compound and DPPH in its stem, Nero Diavola had the highest ABTS plus, plus, catechin, epicatechin in its seed, Boggazkir had the highest total anthocyanin and rudin in its skin, Boggazkir had the highest quercidin in its seed, and Sera had the highest transversed veritrol in its stem. This article was authored by Han Thomas Caraman, Damla Yuxalcuscu and Gokun Solemeseglu.