Abstract
Aim:The present study was performed to investigate acute and subchronic oral toxicity of Ferula assa-foetida gum (28 days) in Sprague Dawley rats.Materials and Methods:Acute oral administration of F. assa-foetida was done as a single bolus dose up to 5 g/kg in mice and subchronic toxicity study for 28 days was done by oral administration at doses of 0 (control) and 250 mg/kg in Sprague Dawley rats.Results:The obtained data revealed that oral administration of F. assa-foetida extract in rats for 28 successive days had no significant changes on body weight, body weight gain, the hematological parameters in rats all over the period of the experiment, and there are no significant increases in the activity of aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, creatinine and urea. Liver of treated rats showed mild changes as thrombosis and sinusoidal leukocytosis. It also showed portal infiltration with inflammatory cells, while kidney of treated rat showed an atrophy of glomerular tuft, thickening of parietal layer of Bowman capsule, and focal tubular necrosis. It also showed dilatation and congestion of renal blood vessels.Conclusion:We concluded that F. assa-foetida gum had broad safety and little toxicity for short term use in dose of 250 mg/kg.
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