Table 2.

Concentrations of metabolites and activities of various enzymes involved in ROS detoxification

	Muscle tissue	Swimbladder tissue
GSH + GSSG (nmol g−1 wwt)	28.26 ± 3.51	199.36 ± 61.60*
GR (mU mg−1 protein)	1.60 ± 0.27	4.57 ± 0.43*
GPx (mU mg−1 protein)	12.01 ± 5.42	29.76 ± 6,25*
SOD (U mg−1 protein)	5.93 ± 2.12	15.37 ± 1.75*
Catalase (U mg−1 protein)	12.56 ± 1.76	15.44 ± 3.05

Overall mean values ± SD; N = 24

* Significant differences between tissues (P < 0.001)