Evaluation of acute and subacute toxicity of the extract of allium cepa peels in Wistar rats

Abstract

Allium cepa is a popular recipe used traditionally to treat diabetes, cardiovascular diseases, cancer, wounds and infections. The acute and sub-acute oral toxicity profile of the aqueous extract of Allium cepa peels were evaluated in wistar albino rats in order to determine its safety for use in traditional medicine. The median lethal dose (LD 50) body weights and food intake were determined. The acute oral toxicity of the peel extract was carried out in accordance with OECD guideline 423. In addition to this, the haematological parameters and biochemical parameters were also evaluated. The median lethal dose (LD 50) of the extract was greater than 2000 mg/kg when given orally in the rats. There were no significant changes in the level of haematological parameters and biochemical parameters. The results from this study indicates that Allium cepa peels are relatively safe, hence supporting its use in traditional medicine.