Anthocyanin composition in aged Chilean Cabernet Sauvignon red wines

► The content of anthocyanins in aged Chilean red wine was analysed by ESI/MS. ► Vitisin A of malvidin-3-O-glucoside is the major anthocyanin in aged red wine. ► Antioxidant capacity of red wines was studied by voltammetric methods. ► Aged red wines present lower antioxidant capacity than young wine.