1. Department of Processing and Quality Control of Fishery ProductsInstitute of Fisheries and Aquatic Sciences Douala Cameroon
2. Service of Hygiene and Processing of Food of Animal Origin, Interstate School of veterinary Science and Medicine of Dakar Dakar Senegal
3. Laboratory of Biochemistry, Faculty of Science, Department of Biochemistry, Food Science and Nutrition (LABPMAN)University of Dschang Dschang Cameroon