Table 2.
Serum redox parameters in Clarias gariepinus intoxicated with benzene and toluene, and those prefeed with Spirulina platensis.
Group parameter | Control | Benzene | Toluene | SP + benzene | SP + toluene |
---|---|---|---|---|---|
MDA level (nmol/mL) | 4.13 ± 0.01 | 4.86 ± 0.01a | 4.63 ± 0.01a | 4.42 ± 0.01a,b | 4.21 ± 0.01a,c |
TPX level (μM/L) | 1.67 ± 0.04 | 2.11 ± 0.03a | 1.90 ± 0.05a | 1.91 ± 0.02a,b | 1.73 ± 0.04c |
TAC (μM/L) | 1.06 ± 0.00 | 1.21 ± 0.01a | 1.18 ± 0.00a | 1.10 ± 0.01a,b | 1.07 ± 0.00a,c |
OSI (%) | 157.92 ± 1.94 | 174.13 ± 1.59a | 161.58 ± 3.90a | 174.13 ± 1.59a | 161.58 ± 3.90a |
SOD activity (U/L) | 11.80 ± 0.04 | 13.76 ± 0.06a | 13.49 ± 0.04a | 12.51 ± 0.05a,b | 12.27 ± 0.04a,c |
CAT activity (U/L) | 10.86 ± 0.03 | 12.56 ± 0.03a | 12.45 ± 0.03a | 11.42 ± 0.03a,b | 11.32 ± 0.03a,c |
Results are expressed as the mean ± SEM of 6 fish per group (One-way ANOVA followed by Duncan post-test).
SP Spirulina platensis, MDA malondialdehyde, TPX total peroxide, TAC total antioxidant capacity, OSI oxidative stress index, SOD superoxide dismutasem, CAT catalase.
aSignificant difference between the control group and any of the other treated groups at p < 0.05.
bSignificant difference between benzene group and SP + benzene group at p < 0.05.
cSignificant difference between toluene group and SP + toulene group at p < 0.05.