Table 2 Amino acids composition of isopod meal, antarctic krill meal and fish meal (%, dry weight).
Amino acids (g/100Â g) | Isopod meal | Krill meal | Fish meal |
|---|---|---|---|
Aspartate (Asp)f | 4.16 ± 0.07a | 4.97 ± 0.10b | 6.68 ± 0.05c |
Threonine (Thr)e | 1.86 ± 0.05a | 1.92 ± 0.07b | 2.98 ± 0.07c |
Serine (Ser) | 1.38 ± 0.12a | 2.02 ± 0.05b | 3.18 ± 0.05c |
Glutamate (Glu) f | 4.66 ± 0.05a | 7.06 ± 0.05b | 9.62 ± 0.01c |
Glycine (Gly)f | 6.96 ± 0.05c | 2.04 ± 0.05a | 4.43 ± 0.07b |
Alanine (Ala)f | 2.11 ± 0.07a | 2.56 ± 0.12b | 4.35 ± 0.07c |
Valine (Val)e | 3.90 ± 0.10c | 2.38 ± 0.07a | 3.44 ± 0.05b |
Methionine (Met)e | 0.54 ± 0.02a | 1.46 ± 0.05b | 1.72 ± 0.10c |
Isoleucine (Ile)e | 1.19 ± 0.05a | 2.41 ± 0.05b | 2.91 ± 0.10c |
Leucine (Leu)e | 4.26 ± 0.05b | 3.90 ± 0.02a | 5.50 ± 0.07c |
Tyrosine (Tyr)e | 1.76 ± 0.02b | 1.68 ± 0.01a | 2.40 ± 0.02c |
Phenylalanine (Phe)e | 1.84 ± 0.05a | 2.39 ± 0.10b | 2.84 ± 0.02c |
Lysine (Lys)e | 3.36 ± 0.05a | 3.72 ± 0.02b | 5.39 ± 0.10c |
Histidine (His) | 0.99 ± 0.10a | 2.01 ± 0.02c | 1.62 ± 0.05b |
Arginine (Arg) | 4.24 ± 0.01b | 2.94 ± 0.05a | 4.50 ± 0.07c |
Proline (Pro) | 2.37 ± 0.07b | 1.68 ± 0.10a | 3.15 ± 0.01c |
Cysteine (Cys)e | 0.09 ± 0.07a | 1.34 ± 0.05b | 1.37 ± 0.05b |
Tryptophan (Trp)e | 0.61 ± 0.02a | 0.88 ± 0.10b | 0.62 ± 0.02a |
taurinef | 9.45 ± 0.20c | 2.93 ± 0.10b | 2.04 ± 0.12a |
ΣAA | 55.61 ± 1.91b | 50.11 ± 0.92a | 68.55 ± 0.75c |
ΣEAA | 19.57 ± 1.44a | 20.73 ± 1.69b | 27.74 ± 1.04c |
ΣNEAA | 36.73 ± 1.41b | 29.41 ± 0.45a | 40.63 ± 2.66c |
ΣFAA | 27.45 ± 1.17b | 19.54 ± 2.24a | 27.28 ± 0.27b |
ΣEAA/ΣAA (%) | 35.21 ± 1.14a | 41.38 ± 2.51b | 40.47 ± 1.24b |
ΣEAA/ΣNEAA (%) | 53.29 ± 2.78a | 70.52 ± 5.14b | 68.34 ± 2.01b |
ΣFAA/ΣAA (%) | 49.37 ± 1.19a | 38.98 ± 4.37b | 39.80 ± 0.45b |