Invention relates to a Process for isolating, purifying and formulating commercial grade lutein paste from oleoresin. Process comprises dissolving oleoresin in alcohol to obtain xanthophylls esters , hydrolyzing with base, quenching, drying ester layer and finally mixing the obtained lutein crystals with non-water soluble fractions to obtain stable lutein paste. Lutein thus prepared can be made stable during storage without use of chemical additives and also available at viable prices.
Patent Application Number:7179930
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