Process for obtaining 3'-epilutein
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United States of America Patent
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Jul 16, 2002
Grant Date -
N/A
app pub date -
Oct 10, 2000
filing date -
Oct 10, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for obtaining 3'-epilutein, by epimerization of a lutein-containing extract with an aqueous solution of a strong organic acid which is slowly added under agitation at room temperature, in the presence of an organic aprotic media, to obtain 3'-epilutein(crystals) in a solution which is neutralized with an alkali and extracting the 3'-epilutein from said solution by means of an organic media, then washing and drying the crystals and purifying them by chromatography by means of a chromatography column.
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