ブリ組織中の2-チオバルビツ-ル酸値およびα-トコフェノ-ル含量に及ぼす飼料魚粉の品質の影響

概要

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Yellowtail Seriola quinqueradiata were fed for 30 days on single moist pellet diets containing untreated (meal 1), enzyme treatment (meal 2), and enzyme and deliming treatment (meal 3) brown fish meals, and the 2-thiobarbituric acid (TBA) values and α-tocopherol contents in the liver and plasma were analyzed. After an intramuscular injection of phenylhydrazine, changes in plasma TBA values and bilirubin levels were also measured. Judging from TBA values and polyunsaturated fatty acid and α-tocopherol contents, meal 3 was the highest quality, followed by meal 2 and meal 1. The lowest TBA value and the highest α-tocopherol content were observed in the liver and plasma of fish fed on meal 3. After the phenylhidrazine injection, the lowest plasma TBA value and bilirubin content were observed in fish fed on meal 3. These results suggest that the quality of dietary meal may affect the in vivo lipid peroxidation status and antioxidant activities of fish.
日本水産學會の論文