Table 2.
Nutrient content and trait of maize (as-fed basis)
| Items | Control maize1) | Stale maize1) | SEM | p-value |
|---|---|---|---|---|
| Moisture (%) | 11.74 | 11.02 | 0.27 | 0.65 |
| Unit weight (g/L) | 724.1 | 719.2 | 8.23 | 0.43 |
| CP (%) | 7.03 | 7.13 | 0.10 | 0.87 |
| Starch (%) | 58.88 | 54.74 | 1.05 | 0.03 |
| FAV (mg KOH/100 g) | 44.02 | 91.51 | 3.78 | 0.01 |
| CAT activity (mg H2O2/g) | 173.4 | 72.1 | 5.32 | 0.02 |
| POD activity (U/g per min) | 510.4 | 191.2 | 18.65 | 0.01 |
| Oleic acid C18:1 (mg/g) | 6.93 | 5.24 | 0.41 | 0.03 |
| Linoleic acid C18:2 (mg/g) | 12.82 | 9.78 | 0.67 | 0.04 |
| Linolenic acid C18:3 (mg/g) | 0.33 | 0.24 | 0.03 | 0.18 |
| AFB1 (μg/kg) | 3.91 | 4.26 | 0.08 | 0.44 |
| OA (μg/kg) | 4.02 | 4.65 | 0.06 | 0.61 |
| T2 (mg/kg) | 0.08 | 0.12 | 0.02 | 0.25 |
| FM (mg/kg) | 1.26 | 2.43 | 0.05 | 0.39 |
| DON (mg/kg) | 0.33 | 0.38 | 0.02 | 0.68 |
| ZEA (mg/kg) | 0.13 | 0.17 | 0.01 | 0.29 |
Means represent 10 samples per test maize (n = 10/group).
SEM, standard error of the means; CP, crude protein; FAV, fat acidity value; CAT, catalase; POD, peroxidase; AFB1, aflatoxin B1; OA, ochratoxin; T2, T2 toxins; FM, fumonisins; DON, deoxynivalenol; ZEA, zearalenone.
1)
The control maize and stale maize stored for 1 and 4 years, respectively.
a,b
Means with different superscripts in a row differ significantly (p<0.05).