method for obtaining a concentrate rich in natural hydroxytyrosol from residues and by-products of olive tree using clean technologies.

摘要

Methods for obtaining natural hydroxytyrosol rich concentrates from residues and olive by-products using clean technology The invention relates to a method for obtaining natural bioactive concentrate rich in hydroxytyrosol from olive residue and by-product by using cleaning technology. The technology includes supercritical fluid extraction, nanofiltration and reverse osmosis.Whether it is used alone or in an integrated way. The natural extract contains a minimum concentration of 15% ("EM mass fraction") and a maximum concentration of 98% ("EM mass fraction") in the compound. The hydroxytyrosol rich concentrate has antioxidant, antibacterial, anti-inflammatory and anticancer activities, which are greater than those of monohydroxytyrosol at the same concentration. Hydroxytyrosol rich concentrates can be prepared as solid particles, such as aqueous solutions.As emulsion or lipid nanoparticles. Industrial applications include food, pharmaceutical and cosmetic industries.