Table 5 Average results of 0.1 N NaOH acidity index (mL), crude protein (%), and ash (%) of corn kernels as a function of drying air temperature, condition and storage time.
Evaluation | Temperature air drying (°C) | Zero | Six months | |||
---|---|---|---|---|---|---|
Cooling (10 °C) | Ambient (23 °C) | Cooling (10 °C) | Ambient (23 °C) | |||
Acidity level | 80 | 2.46 Aa | 2.46 Aa | 1.47 Ba | 2.05 Aa | |
100 | 2.33 Aa | 2.33 Aa | 1.42 Ba | 1.86 Aa | ||
120 | 1.94 Ab | 1.94 Ab | 1.31 Ba | 1.98 Aa | ||
Crude protein | 80 | 8.72 Aa | 8.72 Aa | 8.09 Aa | 7.82 Aa | |
100 | 9.00 Aa | 9.00 Aa | 7.29 Ab | 8.06 Aa | ||
120 | 8.00 Ab | 8.00 Ab | 7.67 Aa | 7.82 Aa | ||
Ashes | 80 | 1.69 Aa | 1.28 Bb | 1.31 Aa | 1.31 Aa | |
100 | 1.65 Aa 1.53 Aa | 1.55 Aa | 1.06 Ab | 1.06 Ab | ||
120 | 1.51 Aa | 1.13 Ab | 1.13 Ab |