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Table 2 Amino acid composition

From: The anti-aging properties of a human placental hydrolysate combined with dieckol isolated from Ecklonia cava

Classification

Amino acid

g/100 g

%

Sulphuric amino acids

Cysteine

0.13

0.4

Methionine

0.59

1.7

Aromatic amino acids

Phenylalanine

1.32

3.8

Tyrosine

0.49

1.4

Essential amino acids

Leucine

3.01

8.7

Lysine

2.69

7.8

Argininea

2.68

7.7

Valine

2.04

5.9

Threonine

1.68

4.9

Isoleucine

1.37

4.0

Phenylalanine

1.32

3.8

Histidinea

0.91

2.6

Methionine

0.59

1.7

(Sub-total)

16.29

47.1

Nonessential amino acids

Glutamine

4.13

11.9

Glycine

3.5

10.1

Asparagine

3.04

8.8

Proline

2.74

7.9

Alanine

2.58

7.5

Serin

1.71

4.9

Tyrosine

0.49

1.4

Cysteine

0.13

0.4

(Sub-total)

18.32

52.9

  1. aArginine and histidine form the so-called semi-essential amino acids