1. Research part of the MSc degree of Mrs Abrahams MSc dissertation obtained from the Department of Medical Biosciences, University of Western Cape, South Africa
2. Institute of Biomedical and Microbial Biotechnology, Cape Peninsula University of Technology, Bellville, South Africa
3. Plant Bioactives Group, Agricultural Research Council, Infruitec-Nietvoorbij, Stellenbosch, South Africa
4. Department of Food Science, Stellenbosch University, Stellenbosch, South Africa
5. Department of Biochemistry, Stellenbosch University, Stellenbosch, South Africa