Table 3.
Amounts of amino acids (±SD) in breast meat (g/100 g of meat).
| Amino acid | Control | Group I | Group II | Group III | P value |
|---|---|---|---|---|---|
| Nonessential amino acid | |||||
| Glu | 3.23 ± 0.15b | 3.21 ± 0.13b | 3.51 ± 0.05a | 2.83 ± 0.02c | <0.01 |
| Asp | 1.46 ± 0.10c | 1.84 ± 0.05a,b | 1.90 ± 0.02a | 1.76 ± 0.03b | <0.01 |
| Arg | 1.39 ± 0.03b | 1.41 ± 0.03a,b | 1.43 ± 0.01a | 1.29 ± 0.01c | <0.01 |
| Pro | 0.70 ± 0.04a | 0.72 ± 0.05a | 0.75 ± 0.03a | 0.51 ± 0.01c | <0.01 |
| Ala | 1.21 ± 0.03b | 1.22 ± 0.05a,b | 1.27 ± 0.03a | 1.15 ± 0.02c | 0.003 |
| Ser | 0.81 ± 0.04b | 0.83 ± 0.02a,b | 0.85 ± 0.01a | 0.74 ± 0.01c | <0.01 |
| Gly | 0.94 ± 0.07 | 1.00 ± 0.09 | 1.02 ± 0.07 | 0.94 ± 0.05 | 0.318 |
| Essential amino acid | |||||
| Leu | 1.72 ± 0.07a | 1.70 ± 0.06a | 1.73 ± 0.03a | 1.58 ± 0.03b | 0.005 |
| Lys | 1.86 ± 0.07a | 1.86 ± 0.06a | 1.91 ± 0.03a | 1.72 ± 0.01b | 0.001 |
| Val | 0.99 ± 0.05a | 0.96 ± 0.03a | 0.97 ± 0.01a | 0.90 ± 0.01b | 0.004 |
| Phe | 1.01 ± 0.10a | 0.98 ± 0.05a | 0.99 ± 0.02a | 0.83 ± 0.01b | 0.003 |
| Ile | 0.97 ± 0.04a | 0.98 ± 0.03a | 1.01 ± 0.02a | 0.92 ± 0.02b | 0.007 |
| Tyr | 0.90 ± 0.09a | 0.89 ± 0.04a | 0.89 ± 0.02a | 0.74 ± 0.01b | 0.002 |
| Thr | 0.98 ± 0.03a | 0.98 ± 0.02a | 1.01 ± 0.02a | 0.92 ± 0.01b | 0.001 |
| His | 0.64 ± 0.07b | 0.91 ± 0.06a | 0.86 ± 0.01a | 0.60 ± 0.01b | <0.01 |
| Met | 0.59 ± 0.03a | 0.62 ± 0.05a | 0.61 ± 0.04a | 0.43 ± 0.02b | <0.01 |
| Cys | 0.35 ± 0.03b | 0.50 ± 0.02a | 0.49 ± 0.02a | 0.29 ± 0.01c | <0.01 |
| ∑ EAA | 10.01 ± 0.53a | 10.36 ± 0.35a | 10.46 ± 0.19a | 8.92 ± 0.09b | <0.01 |
| ∑ FAA | 6.83 ± 0.33b | 7.26 ± 0.20a | 7.69 ± 0.07a | 6.67 ± 0.05b | <0.01 |
| ∑ TAA | 19.74 ± 0.56c | 20.58 ± 0.38b | 21.19 ± 0.21a | 18.13 ± 0.14d | <0.01 |
a–dMeans with different superscripts within the same row differ significantly (P < 0.05).
FAA includes Gly, Glu, Asp, Ala.
Abbreviations: EAA, essential amino acid; FAA, flavor amino acid; TAA, total amino acid.