Research Unit in Applied Microbiology and Pharmacology of Natural Substances URMAPha, Laboratory of Research in Applied Biology LARBA, University of Abomey-Calavi, Cotonou, Benin.
Centre of Training and Research in Medicinal Plant CERFOPLAM, Laboratory of Physiology and Pharmacology of Natural Substances, Faculty of Science, University of Lome, Lome, Togo.