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Cyclopicidal Activity of Three Indigenous Plant Extracts
Published online by Cambridge University Press: 19 September 2011
Abstract
The seed oils (petroleum ether extract) of three plants, Azadirachta indica, Annona squamosa and Pongamia pinnata were tested against the cyclops, Mesocyclops leuckarti sensu lato. Out of the seed oils tested, oil of Pongamia pinnata produced excellent cyclopicidal action followed by Annona squamosa. There was, however, no activity with Azadirachta indica oil. Further examination of Chromatographic fractions of P. pinnata oil narrowed down activity to one of four fractions.
Résumé
Les essences de graines de trois plantes Azadirachta indica, Annona squamosa, et Pongamia pinnata ont été expérimentées contre les cyclopes, Mesocyclops leuckarti sensu lato. Parmis les essences testées, l'essence du Pongamia pinnata produisit un excellent effet cyclopidal, suivit de celle de l'Annona squamosa. Par contre il n'a eu aucune activité avec l'essence de l'Azadirachta indica. Un examen supplementaire des fractions chromatographiques de l'essence de P. pinnata reduisit l'activité á l'une des quatre fractions.
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