Table 3 Amino acid composition of Atlantic salmon protein hydrolysates

Aspartic acid

0.4 ± 0.2

11.6 ± 1.1

12.4 ± 0.5

5.72

7.31

77.8 ± 0.8

77.0 ± 0.1

Threonine

2.9 ± 0.2

6.0 ± 0.3

17.8 ± 0.8

2.03

3.23

39.3 ± 0.1

42.4 ± 0.3

Serine

4.8 ± 0.2

6.4 ± 0.3

21.8 ± 0.6

3.92

3.19

39.2 ± 0.2

41.2 ± 0.9

Glutamic acid

3.1 ± 0.1

29.0 ± 1.2

54.2 ± 5.4

9.05

11.07

113.1 ± 1.3

109.6 ± 1.9

Glycine

13.7 ± 0.8

15.2 ± 1.0

33.0 ± 2.7

22.6

7.07

85.8 ± 1.4

66.5 ± 0.0

Alanine

24.7 ± 1.5

35.5 ± 0.9

95.0 ± 5.3

7.81

5.22

57.0 ± 0.0

53.4 ± 2.0

Valine

2.5 ± 0.1

15.2 ± 0.3

18.4 ± 1.7

1.71

3.83

42.6 ± 0.2

45.6 ± 0.1

Methionine

1.3 ± 0.1

11.8 ± 0.4

31.9 ± 1.6

2.46

2.66

24.3 ± 0.1

24.4 ± 0.8

Isoleucine

1.2 ± 0.1

21.9 ± 2.2

–

1.05

2.98

36.0 ± 0.2

37.4 ± 0.0

Leucine

2.4 ± 0.1

84.3 ± 1.4

69.8 ± 2.3

1.75

4.97

57.9 ± 0.4

62.6 ± 0.3

Tyrosine

1.9 ± 0.1

76.9 ± 4.3

11.4 ± 0.5

0.35

1.76

18.9 ± 0.5

22.2 ± 0.2

Phenylalanine

3.1 ± 0.3

76.3 ± 5.3

137.0 ± 4.0

1.71

2.53

31.2 ± 0.2

33.9 ± 0.3

Histidine

16.4 ± 0.9

21.0 ± 0.8

62.4 ± 2.7

1.33

3.88

26.3 ± 0.2

23.2 ± 0.7

Arginine

1.3 ± 0.6

196 ± 14

–

7.8

5.04

56.2 ± 0.3

50.8 ± 0.7

Tryptophan

–

18.3 ± 0.5

–

8.2 ± 0.0

10.4 ± 0.0

Lysine

–

–

–

2.93

6.4

71.2 ± 0.6

69.4 ± 0.4

Proline

–

–

–

10.63

3.98

49.2 ± 0.5

47.0 ± 0.3

Cysteine

0.49

0.94

9.4 ± 0.0

12.4 ± 0.0

Reference

Nakajima et al. (2009)

Harnedy et al. (2018)

Opheim et al. (2015)