Taulo, S.1, 3*, Wetlesen, A.1, Abrahamsen, R.1, Mkakosya, R.2 and Kululanga, G.3
1Department of Chemistry, Biotechnology and Food Science, Norwegian University of Life Science, P.O. Box 5003, N-1432 As, Norway.
2Department of Microbiology, College of Medicine, P/B 360, Blantyre, Malawi.
3Faculty of Engineering, University of Malawi, P/B 303, Blantyre, Malawi.
