NIPPON SUISAN GAKKAISHI
Online ISSN : 1349-998X
Print ISSN : 0021-5392
ISSN-L : 0021-5392
Occurrence of 3'-Epimer of Lutein (Calthaxanthin, 3'-Epilutein) from Fishes
Takao MATSUNOHisako MATSUTAKAMasaaki KATSUYAMASeiichi NAGATA
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1980 Volume 46 Issue 3 Pages 337-340

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Abstract

The two stereoisomeric β, ε-carotene-3, 3'-diol were isolated from lutein fraction of the integuments in various fishes (44 species). These carotenoids were identified as lutein and 3'-epilutein (calthaxanthin) by two direct thin-layer chromatographic comparison with authentic lutein, natural calthaxanthin, synthetic lutein and synthetic 3'-epilutein.
Lutein fraction, which has hitherto been identified as a single carotenoid, was a mixture of two stereoisomers, lutein and 3'-epilutein.
From the experimental results about lutein fraction from extensive species of fishes, 3'-epilutein was generally dominant in the integuments although the ratio of lutein to 3'-epilutein varied to the species of fish.

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© The Japanese Society of Fisheries Science
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