fuel ethanol. The main forms in Kenya are maize flour and maize meal (Fiedler et al., 2014; Enzama, 2016). Maize flour processed into thick porridge (ugali) is the most common form of maize consumed by the Kenyan population. Prior to milling, maize is a good source of *Corresponding author. E-mail: [email protected]. Tel: +254702360820.