Fig. 1. In vitro protein digestibility of extruded ready-to-eat cereals. Error bars show SD
(n ¼ 2); bars marked with different letters are significantly different (p < 0.05); oat
reference cereal (OAT_R); white sorghum cereal (WSC); red sorghum cereal (RSC);
550 g sorghum flour/kg (L); 700 g sorghum flour/kg (H).