Table 5.
Effect of purple corn extract on egg amino acid profiles of 99-week-old laying hens.
| Items (%) | PCE supplemental levels (mg/kg) | SEM | P- value | ||||
|---|---|---|---|---|---|---|---|
| 0 | 120 | 240 | 360 | Linear | Quadratic | ||
| Asparagine | 4.62 | 4.85 | 4.93 | 4.88 | 0.05 | 0.011 | 0.002 |
| Threonine | 2.36 | 2.44 | 2.52 | 2.48 | 0.03 | 0.011 | 0.005 |
| Serine | 3.48 | 3.59 | 3.68 | 3.66 | 0.04 | 0.005 | 0.004 |
| Glutamate | 5.69 | 5.99 | 6.05 | 5.97 | 0.06 | 0.031 | 0.002 |
| Glycine | 1.54 | 1.61 | 1.65 | 1.62 | 0.02 | 0.017 | 0.002 |
| Alanine | 2.50 | 2.61 | 2.66 | 2.62 | 0.02 | 0.019 | 0.003 |
| Valine | 2.91 | 3.07 | 3.13 | 3.09 | 0.03 | 0.010 | 0.001 |
| Methionine | 1.40 | 1.47 | 0.91 | 1.39 | 0.02 | 0.341 | 0.197 |
| Isoleucine | 2.38 | 2.41 | 2.46 | 2.44 | 0.03 | 0.008 | 0.003 |
| Leucine | 3.87 | 4.05 | 4.15 | 4.12 | 0.04 | 0.004 | 0.001 |
| Threonine | 1.99 | 2.09 | 2.13 | 2.11 | 0.03 | 0.016 | 0.009 |
| Phenylalanine | 2.99 | 3.13 | 3.17 | 3.10 | 0.03 | 0.074 | 0.004 |
| Histidine | 1.01 | 1.07 | 1.09 | 1.07 | 0.01 | 0.018 | 0.003 |
| Lysine | 3.32 | 3.48 | 3.50 | 3.51 | 0.03 | 0.009 | 0.005 |
| Argnine | 2.97 | 3.12 | 3.18 | 3.16 | 0.03 | 0.005 | 0.001 |
| Proline | 1.67 | 1.76 | 1.83 | 1.80 | 0.02 | 0.004 | 0.001 |
| EAA | 18.77 | 19.66 | 20.02 | 19.81 | 0.19 | 0.027 | 0.040 |
| UAA | 19.33 | 20.30 | 20.58 | 20.31 | 0.20 | 0.022 | 0.003 |
EAA, essential amino acids; UAA, umami amino acids; SEM, standard error of mean. EAA, threonine+valine+methionine+isoleucine+leucine+phenylalanine+lysine; UAA, asparagine+glutamate+glycine+alanine+threonine+phenylalanine.