魚類のカロテノイドに関する比較生化学的研究-3-マナマズのカロテノイド成分

概要

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Carotenoid pigments from the skin and fin of Japanese common catfish were investigated. The main carotenoid pigment was determined to be β-zeacarotene-3, 17'-diol (30.4%) rather than lutein which has until now been believed to be the predominant, characteristic pigment of freshwater fishes. Among the β-zeacarotenoids, β-zeacarotene (0.2%), β-zeacaroten-3-ol (5.2%), 9', 10'-dihydro-β-zeacarotene-3, 17'-diol (14.2%), β-zeacarotene-triol (2.1%) were also iden-tified. In addition, β-carotene (0.4%), cryptoxanthin (4.8%), lutein (11.1%), α-zeacaro-tene-3, 17'-diol (1.0%), zeaxanthin (12.1%), diatoxanthin (1.6%), cynthiaxanthin (7.8%) and an unidentified carotenoid (6.9%) were present. Furthermore, these carotenoids were all present in their free forms rather than as esterified compounds.
日本水産學會の論文