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Ethylene glycol is widely used as a solvent and automobile antifreeze agent. Therefore, there have been a number of cases of human exposure from accidental or intentional ingestion of antifreeze, with the kidney being the most sensitive target organ. This study was designed to investigate the protective effect of seeds of Dolichos biflorus (Fabaceae), on ethylene glycol induced nephrotoxicity in adult female Wistar rats.

The hydro-methanolic (30:70, v/v) extract of D. biflorus was orally administrated at doses of 150 and 300 mg/kg body weight/day along with ethylene glycol (0.75% v/v) for 28 days. The results were compared with a parallel study conducted with standard marketed drug cystone under identical dosage conditions. The ionic chemistry was measured in urine and serum. Statistical differences and linear regression analysis were performed using GraphPad prism 5 software.