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Published:
Sep 22, 2008Keywords:
<i>Aspilia Africana</i> Asteraceae toxicities dose responsiveness.
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Acute And Subacute Toxicity Of Aspilia Africana Leaves
Abstract
This study was designed to evaluate the toxicity of the aqueous extract of Aspilia Africana leaves. Oral doses of 500 mg/kg and 1000 mg/kg were administered for 28 days to rats after every 2 days for sub-acute toxicity. For acute toxicity, 5 doses of 2, 4, 8, 12 and 16g/Kg body weight were investigated in mice. The control groups consisted of mice or rats administered with distilled water. The signs of toxicity fluctuated lightly from one mammal to another throughout the experiment. The liver, kidneys and heart weight of rats revealed no significant differences between the test groups and the control. The results indicated that the medium lethal dose (LD50) was found to be greater in females than males with an average of 6.6g/Kg body weight for both sexes. Regardless of the significant differences observed at certain points in some biochemical parameters (ALT, AST, ALP, Creatinine and Glutathione); none showed any linear dose responsiveness. On the other hand, most of the parameters investigated were found to be gender dependent. These results suggested that A Africana can be classified among substances with low toxicity.
Keywords: Aspilia Africana, Asteraceae, toxicities, dose responsiveness..
African Journal of Traditional, Complementary and Alternative Medicines Vol. 4 (2) 2007: pp. 127-134
