Table 3.
Amino Acid Compositions of Fresh Muscle and Protein Isolates(Dry Basis)
| Amino acid | Fresh muscle (g/100g) | Surimi | ACPI | ALPI | FAO/WHO/UNU Adult (infant) |
|---|---|---|---|---|---|
| Essential amino acids | |||||
| Histidine | 6.22 ± 0.05a | 6.39 ± 0.75a | 5.53 ± 0.09a | 5.56 ± 0.21a | 1.5 (1.6) |
| Isoleucine | 3.33 ± 0.06b | 1.86 ± 1.67a | 3.71 ± 0.02b | 3.66 ± 0.01b | 3.0 (3.1) |
| leucine | 7.02 ± 0.10b | 5.49 ± 1.74a | 7.63 ± 0.03b | 7.55 ± 0.01b | 5.9 (6.1) |
| Lysine | 9.20 ± 0.04a | 9.44 ± 0.08b | 9.47 ± 0.10b | 9.47 ± 0.02b | 4.5 (4.8) |
| Methionine | 2.77 ± 0.01a | 3.09 ± 0.09b | 3.01 ± 0.04b | 3.00 ± 0.03b | 2.2 (2.4) |
| Threonine | 4.01 ± 0.07a | 4.26 ± 0.06b | 4.27 ± 0.01b | 4.25 ± 0.01b | 2.3 (2.5) |
| Valine | 4.27 ± 0.03a | 4.37 ± 0.04b | 4.56 ± 0.01c | 4.58 ± 0.02c | 3.9 (4.0) |
| Tryptophan | 5.087 ± 0.04b | 8.77 ± 3.89c | 4.80 ± 0.20a | 4.50 ± 0.10a | 0.6 (0.7) |
| Phenylalanine | 3.57 ± 0.03c | 2.81 ± 0.61b | 2.26 ± 0.21ab | 2.06 ± 0.06a | 3.8 (4.1) |
| Toto EAAs | 45.48 ± 0.29a | 46.50 ± 2.12a | 45.25 ± 0.31a | 44.64 ± 0.03a | |
| Non‐essential amino acids | |||||
| Cysteine | 0.58 ± 0.01a | 0.66 ± 0.01b | 0.70 ± 0.02c | 0.73 ± 0.01d | |
| Tyrosine | 2.12 ± 0.02a | 2.26 ± 0.03b | 2.42 ± 0.08c | 2.61 ± 0.03d | |
| Alanine | 5.39 ± 0.04a | 5.86 ± 0.18b | 5.41 ± 0.01a | 5.22 ± 0.01a | |
| Aspartate | 9.18 ± 0.08a | 9.08 ± 0.35a | 9.71 ± 0.07b | 9.73 ± 0.01b | |
| Glutamate | 12.74 ± 0.16a | 15.22 ± 0.21c | 14.08 ± 0.01b | 14.00 ± 0.01b | |
| Glycine | 4.06 ± 0.02c | 5.25 ± 0.25d | 3.55 ± 0.04b | 3.30 ± 0.04a | |
| Proline | 2.79 ± 0.01a | 3.99 ± 0.12c | 3.09 ± 0.01b | 3.04 ± 0.01b | |
| Arginine | 5.04 ± 0.05a | 6.03 ± 0.29c | 5.66 ± 0.08b | 5.47 ± 0.16b | |
| Serine | 3.82 ± 0.05a | 4.14 ± 0.06b | 4.11 ± 0.05b | 3.93 ± 0.14a | |
| Total Acids | 91.21 ± 0.68a | 98.99 ± 3.54b | 93.97 ± 0.65a | 92.68 ± 0.33a | |
Different letters (a b c or d) within a row indicate significant differences (P < 0.05).