1E. Ngo Bum1, GT Ngoupaye2, E. Talla3, T Dimo2, G. C. N Nkantchoua2, M. M Pelanken2 and G. S. Taiwe2
1Department of Biological Sciences, Faculty of Sciences, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon.
2Department of Animal Biology and Physiology, Faculty of Sciences, University of Yaoundé I, P.O. Box 812 Yaoundé, Cameroon.
3Department of Chemistry, Faculty of Sciences, University of Ngaoundéré, P.O. Box 454 Ngaoundéré, Cameroon.
