Effect of Cu~(2+) on the Antioxidative Defence in Muscle of Paralichthys olivaceus

The experiment was to study the effect of Cu2+ on the antioxidative defence system in muscle of Paralichthys olivaceus,such as the activities of CAT,SOD and GSH-PX.After 10 days′ exposure experiment,the results showed that the activities of CAT、SOD and GSH-PX were inducted in low concentration of Cu2+ and inhibited in high concentration of Cu2+.These results also suggested SOD was more sensitive to low concentration of Cu2+ than the others,and it could be served as bio-monitoring index of low concentration Cu2+ exposure in aquatic ecosystem.