Figure 3.
Chromatographic profiles of the high performance liquid chromatography (HPLC) analysis of carotenoids. Oil-fraction (A) and insoluble-fraction (B) of the oleoresin S-CO2 ExT extracted from pure tomato powder. Oil-fraction (C) and insoluble-fraction (D) of the oleoresin S-CO2 ExTH extracted from tomato/hazelnut powder. Insoluble paracrystalline fraction of S-CO2 ExT oleoresin after re-precipitation in hexane (E).