Phytoprotective and Antioxidant Effects of German Chamomile Extract against Dimpylate-Induced Hepato-Nephrotoxicity in Rats

Ali A. Shati, Attalla F. El-kott


Dimpylate is one of the most organophosphorus widely used insecticides in agriculture. This study aims to investigate the ameliorative effect of German chamomile (Matricaria recutita) on the hepato-nephrotoxicity induced by Dimpylate in male Wistar rats.  Rats  were divided into 4 groups: Control group, received  corn oil alone; Chamomile group, orally given water extract of Chamomile (300 mg/kg b.wt./day for 30 days); Dimpylate group, orally given 15 mg/kg b.wt./day for 30 days of Dimpylate; and Dimpylate and chamomile group,  orally given Dimpylate (15 mg/kg b.wt./day) with Chamomile extract (300 mg/kg b.wt./day) for 30 days. Oxidative stress and antioxidant status were estimated in the liver and kidney of all groups. In the liver and kidney of the Dimpylate-intoxicated rats, there was an increase in malondialdehyde (MDA) concentration and a significant decrease in the activities of superoxide dismutase (SOD), total antioxidant capacity (TCA), glutathione-peroxidase (GPx), glutathione reductase (GSH-R) and Glutathione–S-transferase (GST). In addition, significant increases in serum liver function marker enzymes (AST, ALT, ALP) were recorded in Dimpylate intoxicated rats as compared to control group. Moreover, significant increase in serum total lipid, triglyceride and total cholesterol levels was observed in Dimpylate group as compared to control group. Serum total protein was decreased significantly in Dimpylate intoxicated rats as compared to the control group. Renal products; urea and creatinine were significantly elevated in in Dimpylate group compared to the control group. Dimpylate treated animals also revealed a significant increase in serum biochemical parameters as well as hepatic and renal lipid peroxidation but caused an inhibition in antioxidant biomarkers. normalized the elevated serum levels of AST, ALT, APL, uric acid, urea and creatinine. Furthermore, it reduced dimpylate-induced lipid peroxidation and oxidative stress in a dose dependent manner. Therefore, it could be concluded that Chomomile extract administration able to minimize the toxic effects of dimpylate by its free radical-scavenging and potent antioxidant activity. Co-administration of the Chamomile aqueous extract with Dimpylate could attenuate the all the disrupted measured parameters in liver and kidney tissued. Therefore, it could be concluded that the chamomile aqueous extract has antioxidant and protective property againsit Dimpylate hepato-nephrotoxicity

Keywords: Dimpylate, Chamomile, hepato-nephrotoxicity, Antioxidants

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ISSN (Paper)2224-7181 ISSN (Online)2225-062X

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