boonei Acute toxicity test on the ethanol extract of the stem ba

boonei. Acute toxicity test on the ethanol extract of the stem bark of A. boonei using mice showed an LD50 value of greater than 5000 mg/kg body weight which implies that the stem bark of A. boonei might be regarded as being safe with no risk of acute toxicity. That the extract at the tested doses, evoked a marked dose-dependent inhibition of leucocyte migration into the peritoneum implies an anti-inflammatory effect of the extract. This effect might have been possible through the alteration of the

activation of inflammatory cells. The neutrophils being higher in proportion than the lymphocytes probably may have led to the alteration in the migration of the inflammatory cells. The innate and adaptive mechanisms of the immune system could Anti-cancer Compound Library solubility dmso be modified by substances to either enhance or suppress their ability to resist invasion by pathogens.9 Leucocytes are rapidly mobilised from the bone marrow into the blood during infections or inflammatory reactions. A blood neutrophilia is a characteristic feature

5-FU ic50 of infections and inflammatory disorders, due to initially, the rapid mobilisation of neutrophils (being the body’s first-line of defence) from the bone marrow reserve and their subsequent migration into the tissues.10 In conclusion, oral administration of the ethanol extract of the stem bark of A. boonei to Wistar rats caused a dose-related decrease in the migration of leucocytes in agar-induced inflammation indicating that this is a mechanism of anti-inflammatory effect of the extract. All authors have none to declare. “
“There much has been an increasing awareness in the recent years in ethno biological studies, both on the traditional medicine and particularly on tribal medicine.1 The claims of therapeutic efficiency and the lack of toxicity of many plants have

been scientifically proved in the recent years. There are, however a large number of plants of questionable value among the vast repertory of indigenous drugs. It will be a worthwhile exercise if one tries to select the best out of them. There are a large number of plants, which have to be examined thoroughly for useful activity.2 In view of the potential use of medicinal plants as a source of alternative medicine in many diseases, folklore and claims made by the people in different countries for Gynandropsis gynandra. 3, 4, 5 and 6 Now, the present work has been undertaken to evaluate the hepatoprotective activity of different extracts of the selected plant. Gynandropsis gynandra was collected at Marteru region, A.P., India and authenticated by Prof. M. Venkaiah, Department of Botany, Andhra University. Freshly collected plant material was dried under shade and was made into coarse powder. Coarse powder of G. gynandra was extracted separately with 70% v/v ethanol, methanol, ethyl acetate and hexane using a Soxhlet apparatus.

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