Table 1.
Amino acid content of various dietary protein sources and human skeletal muscle
| Oat | Lupin | Wheat | Hemp | Microalgae | Soy | Brown rice | Pea | Corn | Potato | Whey | Milk | Caseinate | Casein | Egg | Human muscle | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Essential amino acids | ||||||||||||||||
| Threonine | 1.5 | 1.6 | 1.8 | 1.3 | 2.1 | 2.3 | 2.3 | 2.5 | 1.8 | 4.1 | 5.4 | 3.5 | 3.5 | 2.6 | 2.0 | 2.9 |
| Methionine | 0.1 | 0.2 | 0.7 | 1.0 | 0.0 | 0.3 | 2.0 | 0.3 | 1.1 | 1.3 | 1.8 | 2.1 | 2.2 | 1.6 | 1.4 | 1.7 |
| Phenylalanine | 2.7 | 1.8 | 3.7 | 1.8 | 2.1 | 3.2 | 3.7 | 3.7 | 3.4 | 4.2 | 2.5 | 3.5 | 4.2 | 3.1 | 2.3 | 3.8 |
| Histidine | 0.9 | 1.2 | 1.4 | 1.1 | 0.7 | 1.5 | 1.5 | 1.6 | 1.1 | 1.4 | 1.4 | 1.9 | 2.2 | 1.7 | 0.9 | 2.8 |
| Lysine | 1.3 | 2.1 | 1.1 | 1.4 | 3.6 | 3.4 | 1.9 | 4.7 | 1.0 | 4.8 | 7.1 | 5.9 | 5.9 | 4.6 | 2.7 | 6.6 |
| Valine | 2.0 | 1.4 | 2.3 | 1.3 | 2.1 | 2.2 | 2.8 | 2.7 | 2.1 | 3.7 | 3.5 | 3.6 | 3.8 | 3.0 | 2.0 | 4.3 |
| Isoleucine | 1.3 | 1.5 | 2.0 | 1.0 | 1.2 | 1.9 | 2.0 | 2.3 | 1.7 | 3.1 | 3.8 | 2.9 | 3.0 | 2.3 | 1.6 | 3.4 |
| Leucine | 3.8 | 3.2 | 5.0 | 2.6 | 4.0 | 5.0 | 5.8 | 5.7 | 8.8 | 6.7 | 8.6 | 7.0 | 7.8 | 5.8 | 3.6 | 6.3 |
| ΣEAA | 13.7 | 13.1 | 18.0 | 11.6 | 15.7 | 19.9 | 22.1 | 23.6 | 21.0 | 29.3 | 34.1 | 30.3 | 32.8 | 24.8 | 16.5 | 31.8 |
| Non-essential amino acids | ||||||||||||||||
| Serine | 2.2 | 2.5 | 3.5 | 2.3 | 2.1 | 3.4 | 3.4 | 3.6 | 2.9 | 3.4 | 4.0 | 4.0 | 4.2 | 3.4 | 3.3 | 2.3 |
| Glycine | 1.7 | 2.1 | 2.4 | 2.1 | 2.6 | 2.7 | 3.4 | 2.8 | 1.6 | 3.2 | 1.5 | 1.5 | 1.5 | 1.2 | 1.4 | 3.1 |
| Glutamic acid | 11.0 | 12.4 | 26.9 | 7.4 | 5.7 | 12.4 | 12.7 | 12.9 | 13.1 | 7.1 | 15.5 | 16.7 | 16.0 | 13.9 | 5.1 | 13.1 |
| Proline | 2.5 | 2.0 | 8.8 | 1.8 | 2.3 | 3.3 | 3.4 | 3.1 | 5.2 | 3.3 | 4.8 | 7.3 | 8.7 | 6.5 | 1.8 | 0.0 |
| Cysteine | 0.4 | 0.2 | 0.7 | 0.2 | 0.1 | 0.2 | 0.6 | 0.2 | 0.3 | 0.3 | 0.8 | 0.2 | 0.1 | 0.1 | 0.4 | 0.0 |
| Alanine | 2.2 | 1.7 | 1.8 | 1.9 | 4.0 | 2.8 | 4.3 | 3.2 | 4.8 | 3.3 | 4.2 | 2.6 | 2.6 | 2.0 | 2.6 | 4.1 |
| Tyrosine | 1.5 | 1.9 | 2.4 | 1.3 | 1.2 | 2.2 | 3.5 | 2.6 | 2.7 | 3.8 | 2.4 | 3.8 | 4.4 | 3.4 | 1.8 | 2.0 |
| Arginine | 3.1 | 5.5 | 2.4 | 5.3 | 3.4 | 4.8 | 5.4 | 5.9 | 1.7 | 3.3 | 1.7 | 2.6 | 2.9 | 2.1 | 2.6 | 4.4 |
| ΣNEAA | 24.7 | 28.2 | 48.9 | 22.4 | 21.4 | 31.9 | 36.8 | 34.4 | 32.3 | 27.8 | 34.9 | 38.6 | 40.4 | 32.5 | 19.0 | 29.0 |
Values are presented in g per 100 g raw material. Tryptophan, aspartic acid, asparagine, and glutamine were not measured
ΣEAA sum of all essential amino acids, ΣNEAA sum of all non-essential amino acids