ブリ肝臓中生体内脂質過酸化とその防御機構に及ぼす飼料中過酸化脂質の影響〔英文〕

概要

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Yellowtail Seriola quinqueradiata were fed on brown fish meal diets supplemented with 40mg/100g of α-tocopherol (α-Toc) and 9% of sardine oil whose POV was 4.7 (group I) or 100 (group II) for 30 days, and changes in a-Toc contents, 2-thiobarbituric acid reactive substances (TBARS) values, and superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) activities in the liver were analyzed. No pathological changes were observed in either group after the experiment. TBARS value and both enzyme activities of group I were lower and the α-Toc content of the group was higher than those of group II. These results suggest that in vivo lipid peroxidation may progress in the liver of yellowtail fed on a diet containing lipid peroxides whose contents are lower than those bringing about pathological changes, and that to suppress in vivo lipid peroxidation α-Toc may be consumed while SOD and GSH-Px might be induced.
日本水産學會の論文