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9-acridone alkaloids

International Journal of Tropical Insect Science (1)

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9-Acridone insect antifeedant alkaloids from Teclea trichocarpa bark
W. Lwande, T. Gebreyesus, A. Chapya, C Macfoy, A. Hassanali, M. Okech
Journal:

Insect Science and Its Application / Volume 4 / Issue 4 / December 1983

Published online by Cambridge University Press:

19 September 2011, pp. 393-395

Print publication:

December 1983
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Three 9-acridone alkaloids, melicopicine, tecleanthine and 6-methoxy tecleanthine were isolated from the bark of Teclea trichocarpa. Melicopicine and tecleanthine exhibited mild antifeedant activity against the African armyworm, Spodoptera exempta. All the three alkaloids showed antimicrobial activity against the fungus, Cladosporium cucumerinum and the bacterium, Bacillus subtilis.