1. Department of Pharmacology School of Clinical Medicine Faculty of Health Sciences University of the Free State Bloemfontein South Africa
2. Department of Biochemistry School of Life Sciences University of KwaZulu‐Natal Durban South Africa
3. Functional Foods Research Unit Faculty of Applied Sciences Cape Peninsula University of Technology Bellville South Africa
4. AgriFood Technology Station Faculty of Applied Sciences Cape Peninsula University of Technology Bellville South Africa