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Table 3 Amino acid composition of protein hydrolysates (Alcalase+Flavourzyme) from different body parts of the North Atlantic sea cucumber (Mole %)

From: Antioxidant potential and physicochemical properties of protein hydrolysates from body parts of North Atlantic sea cucumber (Cucumaria frondosa)

Name Hydrolysates
Body wall Flower Internal organs
Essential AA (EAA)
 Histidine (His) 1.56 1.70 2.06
 Isoleucine (Ile) 3.59 3.58 4.27
 Leucine (Leu) 5.37 5.38 6.45
 Lysine (Lys) 4.77 5.13 7.74
 Methionine (Met) 1.85 1.71 2.36
 Phenylalanine (Phe) 3.91 3.95 4.37
 Threonine (Thr) 5.18 5.30 5.84
 Tryptophan (Trp) 1.06 1.10 1.49
 Valine (Val) 4.54 4.71 5.35
Total EAA 31.84 32.56 39.93
Non EAA (NEEA)
 Alanine (Ala) 5.88 5.72 4.93
 Arginine (Arg) 9.71 9.90 9.90
 Aspartic acid +Asparagine (Asp+Asn) 9.53 9.56 9.16
 Cystine (Cys) 1.33 1.55 1.79
 Glutamic acid +Glutamine (Glu + Gln) 14.61 14.50 14.06
 Glycine (Gly) 11.14 10.56 5.82
 Proline (Pro) 6.18 5.90 4.27
 Serine (Ser) 6.09 5.98 5.60
 Tyrosine (Tyr) 3.68 3.77 4.53
Total NEAA 68.16 67.44 60.07
EAA/ NEAA 0.47 0.48 0.66
Total polar AA 56.47 57.39 60.68
Total hydrophobic AA 43.53 42.61 39.32
Total Aromatic AA 7.59 7.72 8.91
Branched chain AA 13.50 13.67 16.07