Fig. 3. Effect of starch and lycopene source on lycopene content of extruded
products. 1 = Corn grits and tomato paste, 2 = rice flour and tomato paste, 3 = wheat
semolina and tomato paste, 4 = corn grits and tomato skin, 5 = rice flour and tomato
skin, 6 = wheat semolina and tomato skin. Values with different letters are
significantly different (P < 0.05).