Abstract

Abstract A method is described for the diastereomeric resolution of carotenoids with an 2-hydroxy-β-end group (β,β-caroten-2-ol and β,β-carotene-2,2′-diol) and an 2-hydroxy-4-oxo-β-end group (2-hydroxyechinenone). The separation of each carotenoid into individual optical isomers was achieved by using a chiral resolution column, Sumipax OA-2000, after conversion into the corresponding benzoates.

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