1. Abdualrahman MA (2019) Nutritional value, protein quality and antioxidant activity of Sudanese sorghum-based kissra bread fortified with bambara groundnut (Voandzeia subterranea) seed flour. J of the Saudi Soc of Agri Sc 18(1):32–40
2. Bártová V, Bárta J, Brabcová A, Zdráhal Z (2015) Amino acid composition and nutritional value of four cultivated South American potato species. J of Fd Comp and Anl 40:78–85
3. BFAP (2019) BFAP 2019 Baseline; an agricultural outlook for South Africa. Bureau for Food and Agricultural Policy, Pretoria
4. Branco-Pardal P (1995) Digestion of wheat gluten and potato protein by the preruminant calf: digestibility, amino acid composition and immunoreactive proteins in ileal digesta. Rep Nutr Dev 35(6):639–654
5. British Nutrition Foundation, 2013. British Nutrition Foundation. [Online] Available at: https://www.nutrition.org.uk/nutritioninthenews/reports/faoprotein.html [Accessed 3 October 2019].