1 Pharmacological Research Laboratory of Medicinal Plants, Department of Life Science, Higher Teacher Training College, University of Bertoua, Bertoua, Cameroon.
2 Multidisciplinary Research groups, Higher Teacher Training College, University of Bertoua, University of Bertoua, Bertoua, Cameroon.
3 Department of Neuroscience, University of Montreal, Montreal, Canada.
4 Department of Organic Chemistry, Faculty of Science, University of YaoundΓ© I, YaoundΓ©, Cameroon.
5 Department of Biological Sciences, Faculty of Science, University of NgaoundΓ©rΓ©, NgaoundΓ©rΓ©, Cameroon.
6 Department of Pharmacy, Pharmacology and Toxicology, School of Veterinary Medicine and Sciences, University of Ngaoundere, Ngaoundere, Cameroon.
7 Departamento de Engenharia de Biossistemas, Faculdade de CiΓͺncias e Engenharia (FCE), Universidade Estadual Paulista "JΓΊlio de Mesquita Filho" (Unesp), SΓ£o Paulo, Brazil.