Toxic Effect of Glyphosate-Pesticide on Lipid Peroxidation Superoxide Dismutase and Catalase of Clarias Gariepinus

Helen Nwamba Ogochukwu and Cosmas Ezekaibeya Achikanu*
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Helen Nwamba Ogochukwu: Department of Applied Biology and Biotechnology, Enugu State University of Science and Technology, Ebeano, Agbani, Enugu State, Nigeria
Cosmas Ezekaibeya Achikanu*: Department of Applied Biochemistry, Enugu State University of Science and Technology, Ebeano, Agbani, Enugu State, Nigeria PMB 01660

Scientific Review, 2020, vol. 6, issue 3, 23-27

Abstract: The oxidative stress indices lipid peroxidation (LPO), superoxide dismutase (SOD) and catalase (CAT) in juvenile Clarias gariepinus (average weight 200.15 g) exposed to sub - lethal dose 2.40mg/L and 4.98mg/L of glyphosate was investigated over a period of days 1,5,10 and 15 in three replicates. The colorimetric analysis showed increase in lipid peroxidation from 4.55 ±2.14a1 to 12.12± 10.00a1at 2.40mg/L but remain the same at 4.98mg/L (4.55±2.14a1) compared with control (3.03±0.01a1 to 1.51±2.14b1) from day 1 to 15. The SOD activity decreased significantly with time and concentration compared with control. The Catalase activity at day 15 decreased to 0.17±0.05a1 in 2.40mg/L but further increased to 0.28±0.05b1 in 4.98mg/L compared to 0.28±0.02a1 catalase activity as control. The result suggests that glyphosate induce oxidative stress that may overwhelm the antioxidant system in juvenile catfish especially at higher concentrations with long exposure.

Keywords: Toxicity; Glyphosate; Clarias gariepinus; Oxidative stress. (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:arp:srarsr:2020:p:23-27

DOI: 10.32861/sr.63.23.27

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