Amino Acid | Residues/1000 | Weight Percent | |
Aspartic Acid |
37 | 4.7 | |
Glutamic Acid |
68 |
9.7 | |
Hydroxyproline | 55 | 6.8 | |
Serine* | 63 | 6.0 | |
Glycine | 347 |
21.8 | |
Histidine* |
15 |
2.3 | |
Arginine |
62 |
10.6 | |
Threonine* |
33 |
3.7 | |
Alanine |
109 |
8.5 | |
Proline |
98 |
10.5 | |
Tyrosine |
3 |
0.5 | |
Valine* |
16 |
1.7 | |
Methionine* |
12 |
1.7 | |
Cysteine |
--- |
--- | |
Isoleucine* |
10 |
1.2 | |
Hydroxylysine |
9 | 1.4 | |
Phenylalanine* | 13 | 2.1 | |
Tryptophan* | --- | --- | |
Lysine* | 32 | 4.5 | |
Leucine* |
18 |
2.2 | |
Total | 1000 | 99.9 | |
* Essential amino acids. These are readily available in meat, poultry, eggs, fish, milk and cheese which are part of a balanced diet. Collagens are composed of amino acids and have the same Chemical Abstract Service number 68410-45-7 no matter if they come from fish, cattle, or pigs. The difference is that the amino acids are in slightly different percentages.