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ANTIFILARIAL ACTIVITY OF PLUMERIA ALBA LINN BARK
The aqueous extract of Bark of Plumeria. alba was tested for its effect on thespontaneous movements of the whole worm (w.w) preparation and nerve muscle (n.m)complex of Setaria cervi a cattle filarial parasite, and on the survival of microfilariae .The aqueous extract could inhibit the spontaneous movements of S.cervi, characterizedby initial stimulation followed by reversible paralysis. The concentration required toproduce similar effect on nerve muscle complex was less as compared to the wholeworm. The lethal concentration 50 (LC50) and lethal concentration 90 (LC90) for aqueousextract were 80 ng/ml and 105 ng/ml respectively