A. Casazza, B. Aliakbarian, M. Mura, M. Chasseur, M. Freguglia, S. Valentini, D. Palombo, P. Perego, Polyphenols from Grape and Apple Skin: a Study on Non-Conventional Extractions and Biological Activity on Endothelial Cell Cultures, Chemical Engineering Transactions. 44 (2015) 205-210. doi:10.3303/CET1544035.