ECB-ART-32914
Comp Biochem Physiol B
1986 Jan 01;831:121-4. doi: 10.1016/0305-0491(86)90341-x.
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The first isolation of enantiomeric and meso-zeaxanthin in nature.
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Racemic mixtures of (3RS, 3''RS)-zeaxanthin were separated into the three optical isomers, (3R, 3''R)-zeaxanthin (1), (3R,3''S;meso)-zeaxanthin (2) and (3S,3''S)-zeaxanthin (3), by converting to their corresponding dibenzoates and by using HPLC on an optical resolution column Sumipax OA-2000. According to this procedure, it has been shown that only (1) is isolated from higher plants, shellfish, starfish, sea squirt, sea cucumber and then examined; on the other hand (1), (2) and (3) are isolated from zeaxanthin fraction of shrimp, fish and turtle examined. This is the first isolation of enantiomeric and meso-zeaxanthin in nature.
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Genes referenced: LOC100887844 srpl