Fig. 2 Chromatograms of a sample of milk enriched with vitamins D and E (a) an infant formula enriched with vitamins D and E (b); a commercial sample of fruit juice with milk enriched with vitamins D + E (c) and a sample of vegetablebased beverage (d). 1 Delta tocopherol, 2 ergocalciferol, 3 cholecalciferol, 4 gamma tocopherol, 5 alpha tocopherol