Table 2 Concentrations of glutathione and glutathione disulfide in the tissues of hybrid striped bass¹

Phase-I hybrid striped bass

 Liver

GSH

1,717 ± 32^b

1,857 ± 26^a

1,904 ± 16^a

 < 0.001

GSSG

156 ± 6.7

145 ± 9.5

146 ± 10

0.630

GSSG:GSH

0.091 ± 0.005^a

0.078 ± 0.003^b

0.077 ± 0.003^b

0.028

Total glutathione^†

2,028 ± 30^b

2,146 ± 37^a

2,197 ± 26^a

0.003

 Kidney

GSH

326 ± 7.4

337 ± 11

340 ± 4.9

0.456

GSSG

30.1 ± 1.1^a

26.5 ± 0.85^b

27.1 ± 0.85^b

0.029

GSSG:GSH

0.092 ± 0.002^a

0.079 ± 0.002^b

0.080 ± 0.002^b

 < 0.001

Total glutathione^†

386 ± 9.2

390 ± 12

394 ± 6.1

0.836

 Skeletal muscle

GSH

190 ± 3.5

194 ± 2.0

198 ± 1.6

0.839

GSSG

15.8 ± 0.65^a

14.0 ± 0.58^b

13.3 ± 0.63^b

0.027

GSSG:GSH

0.083 ± 0.004^a

0.072 ± 0.003^b

0.067 ± 0.003^b

0.009

Total glutathione^†

222 ± 3.7

222 ± 2.3

224 ± 2.1

0.844

 Proximal intestine

GSH

490 ± 11^c

621 ± 24^b

703 ± 17^a

 < 0.001

GSSG

44.0 ± 0.74^c

49.1 ± 2.2^b

55.9 ± 2.0^a

 < 0.001

GSSG:GSH

0.090 ± 0.002^a

0.079 ± 0.002^b

0.080 ± 0.003^b

0.006

Total glutathione^†

578 ± 12^c

719 ± 27^b

814 ± 20^a

 < 0.001

Phase-II hybrid striped bass

 Liver

GSH

1,516 ± 53^c

1,678 ± 20^b

1,814 ± 41^a

 < 0.001

GSSG

145 ± 4.9

145 ± 2.9

149 ± 4.8

0.752

GSSG:GSH

0.096 ± 0.002^a

0.086 ± 0.001^b

0.083 ± 0.003^b

 < 0.001

Total glutathione^†

1,806 ± 61^c

1,968 ± 25^b

2,113 ± 39^a

 < 0.001

 Head kidney

GSH

397 ± 21

419 ± 20

427 ± 14

0.509

GSSG

37.2 ± 2.1

35.2 ± 1.2

35.2 ± 1.5

0.614

GSSG:GSH

0.094 ± 0.001^a

0.085 ± 0.003^b

0.083 ± 0.003^b

0.013

Total glutathione^†

472 ± 25

489 ± 21

497 ± 16

0.695

 Tail kidney

GSH

161 ± 4.4

166 ± 4.1

166 ± 5.4

0.687

GSSG

15.4 ± 0.65

14.2 ± 0.58

13.5 ± 0.60

0.108

GSSG:GSH

0.095 ± 0.003^a

0.085 ± 0.002^b

0.082 ± 0.004^b

 < 0.001

Total glutathione^†

192 ± 5.4

195 ± 5.0

193 ± 5.8

0.924

 Skeletal muscle

GSH

155 ± 6.2

159 ± 5.7

161 ± 3.9

0.726

GSSG

14.2 ± 0.62

12.8 ± 0.60

12.7 ± 0.70

0.115

GSSG:GSH

0.092 ± 0.002^a

0.080 ± 0.002^b

0.079 ± 0.004^b

0.006

Total glutathione^†

184 ± 7.2

184 ± 6.8

186 ± 4.8

0.968

 Pancreas

GSH

8.62 ± 0.41

8.85 ± 0.23

8.79 ± 0.38

0.890

GSSG

0.784 ± 0.027

0.802 ± 0.033

0.801 ± 0.036

0.907

GSSG:GSH

0.092 ± 0.003

0.091 ± 0.003

0.092 ± 0.004

0.971

Total glutathione^†

10.2 ± 0.45

10.4 ± 0.28

10.4 ± 0.41

0.915

 Proximal intestine

GSH

467 ± 10^c

541 ± 12^b

637 ± 19^a

 < 0.001

GSSG

38.4 ± 1.2

40.6 ± 1.6

42.2 ± 1.5

0.199

GSSG:GSH

0.085 ± 0.003^a

0.075 ± 0.003^b

0.067 ± 0.004^b

0.004

Total glutathione^†

531 ± 7.9^c

622 ± 14^b

721 ± 18^a

 < 0.001