Effect of Ethanol Extract of Xylopia aethiopica Fruit on Oxidative Stress Indices of Wistar Rats
Asian Journal of Immunology,
Page 40-51
Abstract
Background: The use of Xylopia aethiopica fruit in folklore medicine is on the increase without caution of its toxicity.
Aim: This present study tends to assess its effect on the oxidative stress biomarkers of Wistar rats.
Methodology: The fruits of Xylopia aethiopica were air-dried and extracted by Soxhlet extractor using ethanol as solvent. The median lethal dose (LD50) of the extract was assessed using standard method. Thirty adult Wistar rats were divided into five groups of six rats each. Animals in groups 1, 2, 3, and 4 were treated with 130, 259, 389 and 518 mg/kg body weight of X. aethiopica fruit extract respectively, while those in group 5 received normal animal feeds and water only. The administration was done once daily for 28 days via oral route. Oxidative stress indices were measured using standard methods.
Results: A significant decline was observed in the antioxidant enzymes (catalase, superoxide dismutase, and glutathione peroxidase) activities in experimental animals compared with those in the control group (P<0.05). In the same vein, a significant reduction was observed in the concentration of reduced glutathione in experimental animals compared with those in the control group (P<0.05). Lipid peroxidation was however observed to increase when experimental animals were compared with those in the control group. The elevation in lipid peroxidation was significantly different when animals treated with higher doses of 259, 389 and 518 mg/kg body weight of extract were compared with those in the control group (P<0.05).
Conclusion: The adverse perturbation of antioxidant indices by Xylopia aethiopica fruit is suggestive that it could induce oxidative stress and thus unhinged the immune system. Oxidative stress has also been implicated in several diseases thus the consumption of Xylopia aethiopica fruit as well as its use in folklore medicine should be discouraged especially in high doses due to its toxic nature.
Keywords:
- Immune system
- oxidative stress
- toxic nature
- Xylopia aethiopica fruit
How to Cite
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