1. Department of Chemical Engineering; Kwame Nkrumah University of Science and Technology; Private Mail Bag; University Post Office; Kumasi Ghana
2. Department of Nutritional Sciences; The Pennsylvania State University; University Park PA 16802 USA
3. Department of Mechanical Engineering; Kumasi Technical University; P. O. Box 854 Kumasi Ghana
4. Biotechnology Research Institute; Universiti Malaysia Sabah; Jalan UMS 88400 Kota Kinabalu Sabah Malaysia
5. Food Microbiology Division; Food Research Institute CSIR; Box M20 Accra Ghana
6. Department of Chemical Engineering; Curtin University; Sarawak 98009 Malaysia
7. Department of Biochemistry; Kwame Nkrumah University of Science and Technology; Private Mail Bag; University Post Office; Kumasi Ghana