1. Biorefinery Industry Development Facility, Council for Scientific and Industrial Research, Durban 4041, South Africa
2. Bioprocessing Group, Council for Scientific and Industrial Research, Pretoria 0001, South Africa
3. School of Life Science, University of KwaZulu-Natal, Durban 4041, South Africa
4. Discipline of Chemical Engineering, University of KwaZulu-Natal, Durban 4041, South Africa