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. 2017 Apr 27;3(3):252–257. doi: 10.1016/j.aninu.2017.04.007

Table 1.

Selected nutrient components of corn stored for different years (air dry basis).1

Item Corn storage time, yr
2 3 4 5
Moisture, % 11.42 11.50 11.10 12.40
Test weight, g/L 719.0 718.5 718.5 687.5
CP, % 6.97 7.58 7.12 7.15
Amino acid, %
Asp 0.46 0.48 0.47 0.43
Thr 0.26 0.27 0.27 0.25
Ser 0.33 0.36 0.36 0.33
Glu 1.47 1.54 1.51 1.44
Pro 0.58 0.63 0.62 0.60
Gly 0.27 0.28 0.28 0.26
Ala 0.52 0.54 0.52 0.51
Cys 0.19 0.19 0.20 0.18
Val 0.43 0.42 0.42 0.40
Met 0.18 0.11 0.14 0.15
Ile 0.23 0.24 0.24 0.23
Leu 0.84 0.88 0.85 0.84
Tyr 0.16 0.18 0.15 0.15
Phe 0.28 0.35 0.27 0.33
Lys 0.22 0.37 0.23 0.34
His 0.23 0.31 0.24 0.27
Arg 0.27 0.28 0.27 0.25
Fatty acid, mg/g
C16:0 3.09 3.28 3.01 2.81
C16:1 0.03 0.03 0.03 0.03
C18:0 0.34 0.38 0.33 0.30
C18:1 6.11 6.74 5.86 5.19
C18:2 11.38 12.27 10.55 9.69
C18:3 0.28 0.31 0.26 0.22
C20:1 0.07 0.04 0.07 0.07
Catalase activity, mg H2O2/g 151.1 151.6 183.8 6.8
Peroxidase activity, U/g per min 381.9 595.2 416.3 159.3
Acidity of fatty acids, KOH mg/100 g dry matter 56.2 48.8 54.5 108.1
1

Analysis based on a duplicate.