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.

From: Influences of drying temperature and storage conditions for preserving the quality of maize postharvest on laboratory and field scales

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

  1. Averages followed by the capital letter on the line, for each storage time and lower case letters in the columns for each drying air temperature, do not differ, at 5% probability.