Novel trans-lutein enriched xanthophyll ester concentrate and a process for its preparation

摘要

The invention disclosed in this application relates to a novel xanthophyll esters concentrate comprising predominantly of a composition containing lutein and zeaxanthin fatty acid esters wherein the composition contains 90-95% of trans-lutein esters, 0-5% of cis-lutein esters and 3.5 to 6% of Zeaxanthin esters The invention also relates to a process for the preparation of the above said concentrate employing ketonic solvents The novel trans-lutein enriched xanthophyll esters concentrate of the present invention is useful for human consumption, either as nutraceuticals, nutritional supplements, as food additives and also for coloring animal feeds The concentrate has better stability and bioavailability.