| Essential amino acids |
| Arginine (Arg) | 4.31 ± 0.08 | 4.53 ± 0.04 | 0.0615 |
| Histidine (His) | 2.97 ± 0.01 | 3.04 ± 0.02 | 0.0540 |
| Isoleucine (Ile) | 2.51 ± 0.04 | 2.52 ± 0.02 | 0.8336 |
| Leucine (Leu) | 4.13 ± 0.04 | 4.18 ± 0.02 | 0.3331 |
| Lysine (Lys) | 3.89 ± 0.01 | 3.93 ± 0.02 | 0.1630 |
| Methionine (Met) | 1.03 ± 0.01 | 1.04 ± 0.01 | 0.4107 |
| Phenylalanine (Phe) | 2.66 ± 0.02 | 2.71 ± 0.02 | 0.1977 |
| Threonine (Thr) | 2.21 ± 0.03 | 2.13 ± 0.04 | 0.1679 |
| Valine (Val) | 2.88 ± 0.04 | 2.89 ± 0.02 | 0.7611 |
| Non-essential amino acids |
| Alanine (Ala) | 4.94 ± 0.03 | 4.87 ± 0.10 | 0.5701 |
| Aspartic acid (Asp) | 5.81 ± 0.05 | 5.94 ± 0.04 | 0.1161 |
| Cysteine (Cys) | 1.18 ± 0.01 | 1.21 ± 0.01 | 0.2836 |
| Glutamic acid (Glu) | 8.80 ± 0.04 | 8.97 ± 0.10 | 0.1662 |
| Glycine (Gly) | 4.27 ± 0.03b | 4.61 ± 0.10a | 0.0305 |
| Proline (Pro) | 2.88 ± 0.03a | 2.70 ± 0.03b | 0.0142 |
| Serine (Ser) | 2.22 ± 0.04 | 2.20 ± 0.02 | 0.7833 |
| Tyrosine (Tyr) | 1.90 ± 0.05 | 1.85 ± 0.06 | 0.6217 |
| Total essential amino acids | 26.6 ± 0.2 | 27.0 ± 0.2 | 0.2576 |
| Total nonessential amino acids | 32.0 ± 0.2 | 32.4 ± 0.4 | 0.4725 |
| Total amino acids | 56.4 ± 0.4 | 57.1 ± 0.6 | 0.3755 |