In vitro and in vivo anthelmintic activity of Acacia nilotica (L.) Willd. Ex delile bark and leaves
2011
Badar, N. (University of Agriculture, Faisalabad (Pakistan). Dept. of Parasitology) | Iqbal, Z. (University of Agriculture, Faisalabad (Pakistan). Dept. of Parasitology) | Khan, M.N. (University of Agriculture, Faisalabad (Pakistan). Dept. of Parasitology) | Akhtar, M.S. (University of Agriculture, Faisalabad (Pakistan). Dept. of Physiology and Pharmacology)
This study was carried out to assess the anthelmintic activity of Acacia nilotica bark and leave extracts in different solvents. Adult motility assay, egg hatch test and fecal egg count reduction test were carried out to evaluate the anthelmintic activity. Effect of plant extracts both of leaves and bark of A. nilotica was dose-dependent. Highest mortality of worms was observed 12 hours post-exposure @ 25 mg/ml. Extracts of leaves were more potent than the bark extracts. Ethyle acetate fractions both of bark and leaves exhibited higher anthelmintic effects compared with chloroform, petroleum spirit and aqueous fractions. Crude aqueous methanol extract (CAME) of bark (LC50= 201.0032 mug/ml) had higher inhibitory effects compared with that of leaves (LC50 = 769.2485 mug/ml) on egg hatching. Likewise, chloroform and ethyl acetate fractions of A. nilotica bark exhibited higher ovicidal activity. In vivo, maximum reduction (72.01%) in fecal egg cou nts was recorded for CAME of bark followed by CAME of leaves (63.44%) @ 8 g/kg at day 12 post-treatment. Results suggest lipophilic nature of the active principles having anthelmintic efficacy in A. nilotica bark and leaves.
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