Evaluation of acute and subacute toxicities of aqueous ethanolic extract of leaves of Senna alata (L.) Roxb (Ceasalpiniaceae)

C.A. Pieme¹*, V. N. Penlap¹, B. Nkegoum², P. C. L. Taziebou¹, E.M. Tekwu,  F. X. Etoa¹ , J. Ngongang³

¹Microbiology and Pharmacology Laboratory, Department of Biochemistry, Faculty Science, P.O. Box 812, University of Yaounde I, Cameroon.

²Patology Laboratory, Faculty of Medicine and Biomedical Sciences, P.O. Box  2787  University of Yaounde I, Cameroon.

³Medical Biochemistry Laboratory, Faculty of Medicine and Biomedical Sciences, P.O. Box 2787  University of Yaounde I, Cameroon.