1. Bioprecess Laboratory, Department of Food Technology and Quality Control University Institute of Technology, University of Ngaoundéré Ngaoundéré Cameroon
2. Food Microbiology and Biotechnology Laboratory, Department of Food Science and Nutrition, National Advanced School of Agro‐Industrial Sciences University of Ngaoundéré Ngaoundéré Cameroon
3. Department of Food Science and Technology College of Technology, University of Bamenda Bambili Cameroon