1. Department
of Food Science, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa
2. Post-Harvest
and Wine Technology Division, Agricultural Research Council (ARC) Infruitec-Nietvoorbij, Private Bag X5026, Stellenbosch 7599, South Africa
3. Central Analytical Facility (CAF), Nuclear Magnetic Resonance
Unit, Private Bag X1, Matieland 7602, South Africa
4. Diabetes Discovery Platform, South African Medical Research Council, P.O. Box 19070, Tygerberg 7505, South Africa