魚類のカロテノイドに関する比較生化学的研究-5-淡水産および海産ボラの比較

概要

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The carotenoid pigments from the fin and skin of striped mullets (fresh water cultured young, immature, sea water cultured young, immature and natural immature) were investigated. They have similar carotenoid patterns, consisting of β-carotene (1.5, trace, 0.8, trace, 0.9%), isocryptoxanthin (0.2, 1.0, -, trace, -%), cryptoxanthin (1.0, 3.0, -, trace, 1.0%), tunaxanthin (12.6, 16.3, 5.5, 7.6, 3.7%), lutein (26.5, 40.2, 13.2, 7.9, 13.6%), zeaxanthin (49.4, 29.2, 32.0, 35.1, 43.4%), diatoxanthin(5.8, 2.5, 43.5, 36.4, 30.7%), cynthiaxanthin (2.9, 6.7, 5.0, 12.1, 3.8%), astacene (-, 0.3, -, 0.9, -%), unidentified I (-, 1.0, -, -, 0.7%), and unidentified II (-, -, -, -, 1.5%) respectively. The major carotenoids in the fresh water cultured young and immature fishes were lutein (26.5-40.2%) and zeaxanthin (29.0-49.4%) while in sea water cultured young, immature and natural immature, they were zeaxanthin (32.0-43.4%) and diatoxanthin (30.7-43.5%), which was isolated in crystalline form. These results seem to suggest that the environmental water conditions are reflected in the differences in major carotenoids between striped mullets of fresh water origin and sea water origin.
日本水産學會の論文