양식산과 방류산 조피볼락(Sebastes schlegeli )의 간장 중 해독 및 항산화 효소계의 비교
Comparison of Xenobiotic Metabolism and Antioxidative Status in Cultivated and Stocked Rockfish Sebastes schlegeli
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This study compared the composition and texture of muscle and levels of detoxification and antioxidant enzymes in the livers of stocked and cultivated rockfish Sebastes schlegeli released after the primary culture stage in Tongyoung, South Korea. The crude lipid content of muscle was significantly higher (P<0.05) in cultivated rockfish than stocked rockfish,while the texture did not differ significantly (P>0.05). The condition factor (CF) and hepatosomatic index (HSI) did not differ significantly and the growth of stocked and cultivated rockfish was similar. The levels of the detoxification enzymes cytochrome P450 (CYP) and Ethoxyresorufin-O-deethylase (EROD) were significantly lower in the livers of stocked rockfish, perhaps because of their reduced exposure to xenobiotic compounds. In addition, stocked rockfish had a significantly (P<0.05) lower CAT and higher GR than cultivated rockfish, but similar levels of tGPx, SOD, GSH, and GSSG. The present study shows that the growth rates of stocked and cultivated rockfish are similar and that stocked rockfish are exposed to fewer xenobiotic compounds and less oxidative stress.
Abstract
This study compared the composition and texture of muscle and levels of detoxification and antioxidant enzymes in the livers of stocked and cultivated rockfish Sebastes schlegeli released after the primary culture stage in Tongyoung, South Korea. The crude lipid content of muscle was significantly higher (P<0.05) in cultivated rockfish than stocked rockfish,while the texture did not differ significantly (P>0.05). The condition factor (CF) and hepatosomatic index (HSI) did not differ significantly and the growth of stocked and cultivated rockfish was similar. The levels of the detoxification enzymes cytochrome P450 (CYP) and Ethoxyresorufin-O-deethylase (EROD) were significantly lower in the livers of stocked rockfish, perhaps because of their reduced exposure to xenobiotic compounds. In addition, stocked rockfish had a significantly (P<0.05) lower CAT and higher GR than cultivated rockfish, but similar levels of tGPx, SOD, GSH, and GSSG. The present study shows that the growth rates of stocked and cultivated rockfish are similar and that stocked rockfish are exposed to fewer xenobiotic compounds and less oxidative stress.
참고문헌 (36)
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