Laboratory of Biochemistry, Department of Biochemistry and Physiological Sciences, Faculty of Medicine and Biomedical Sciences, University of Yaoundé I;
Laboratory of Sustainable Management of the Agro-ecosystems, ENEA-Italian National Agency for New Technologies, Energy and Sustainable Economic Development;
Laboratory of Medicinal Plant Biochemistry, Food Science and Nutrition, Department of Biochemistry, Faculty of Science,University of Dschang;