IN VITRO SCREENING OF LANNEA COROMANDELICA FOR ANTIFILARIAL ACTIVITY ON CATTLE FILARIAL PARASITE SETARIA CERVI
Journal: Indian Drugs (Vol.51, No. 8)Publication Date: 2014-08-28
Authors : Kumar. T. Sahu. A. Jain. V;
Page : 28-34
Keywords : vishaljain123@gmail.com;
Abstract
The current study was aimed to investigate the antifilarial activity of aqueous and ethyl acetate extracts of the leaves of Lannea coromandelica. Both extracts were screened for their total flavonoid content chromatographically. The total amount of flavonoid present in ethyl acetate is much greater than in aqueous extract. Aqueous extract produced initial stimulation effect in whole worm followed by reversible paralysis, whereas on the nerve muscle preparation, the effect was depressant. In the same manner ethyl acetate extract produces irreversible paralysis. The concentrations required to inhibit the movement of the whole worm and nerve muscle preparation for aqueous extract of leaves of L. coromandelica were 300 and 60 µg/mL, respectively, whereas ethyl acetate extract caused inhibition of the whole worm and nerve muscle preparation at 160 and 15 µg/mL, respectively. LC50 and LC90 were 21 and 30 ng/mL, respectively for aqueous, which were 16 and 24 ng/mL for ethyl acetate extracts.
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