Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/6323
Title: Hepato- and neuro-protective effects of watermelon juice on acute ethanol-induced oxidative stress in rats
Authors: Oyenihi, Omolola R 
Afolabia, Blessing A 
Oyenihi, Ayodeji B 
Keywords: Watermelon;Neuro-protective;Hepatoprotective;Ethanol intoxication
Issue Date: 2016
Publisher: Elsevier
Journal: Toxicology reports 
Abstract: Chronic and acute alcohol exposure has been extensively reported to cause oxidative stress in hepatic and extra-hepatic tissues. Watermelon (Citrullus lanatus) is known to possess various beneficial properties including; antioxidant, anti-inflammatory, analgesic, anti-diabetic, anti-ulcerogenic effects. However, there is a lack of pertinent information on its importance in acute alcohol-induced hepato- and neuro-toxicity. The present study evaluated the potential protective effects of watermelon juice on ethanol-induced oxidative stress in the liver and brain of male Wistar rats. Rats were pre-treated with the watermelon juice at a dose of 4 ml/kg body weight for a period of fifteen days prior to a single dose of ethanol (50%; 12 ml/kg body weight). Ethanol treatment reduced body weight gain and significantly altered antioxidant status in the liver and brain. This is evidenced by the significant elevation of malondialdehyde (MDA) concentration; depletion in reduced glutathione (GSH) levels and an increased catalase (CAT) activity in the brain and liver. There was no significant difference in the activity of glutathione peroxidase (GPX) in the liver and brain. Oral administration of watermelon juice for fifteen (15) days prior to ethanol intoxication, significantly reduced the concentration of MDA in the liver and brain of rats. In addition, water melon pre-treatment increased the concentration of GSH and normalized catalase activity in both tissues in comparison to the ethanol control group. Phytochemical analysis revealed the presence of phenol, alkaloids, saponins, tannins and steroids in watermelon juice. Our findings indicate that watermelon juice demonstrate anti-oxidative effects in ethanol-induced oxidation in the liver and brain of rats; which could be associated with the plethora of antioxidant phyto-constituents present there-in.
Description: Journal article
URI: http://hdl.handle.net/11189/6323
DOI: https://doi.org/10.1016/j.toxrep.2016.01.003
Appears in Collections:HWSci - Journal Articles (DHET subsidised)

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