National High School of Agro-Industrial Science, PO Box 455, Ngaoundere, Cameroon. tatsadjieu@yahoo.fr
The essential oils of Xylopia aethiopica, Monodora myristica, Zanthoxylum xanthoxyloïdes and Z. leprieurii, four Cameroonian plants used as spices in local food, showed antibacterial and antifungal activity.