Abstract The present work investigated the impact of ultrafiltration (UF) and nanofiltration (NF) membranes on recovery fractionation polyphenolic compounds polysaccharides from Sangiovese Cabernet Sauvignon wine lees. A laboratory-made flat-sheet membrane in cellulose acetate (CA400-38) was used UF treatment lees; three (CA316, CA316-70, CA400-22) a polyamide commercial (NF90) were NF All char...