Main dietary sources of amino acids intake (mean % of total intake).
| Animal-Total (%) | Animal sources (100%) | Plant sources (100%) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Amino acids | Dairy (%) | Meat (%) | Fish (%) | Egg (%) | Bread (%) | Cereals & legumes (%) | Fruits & vegetables (%) | Nuts (%) | |
| Tryptophan | 45.0 | 47.2 | 35.7 | 7.2 | 5.7 | 45.2 | 30.9 | 14.2 | 4.2 |
| Isoleucine | 57.0 | 52.1 | 32.0 | 6.0 | 5.2 | 39.5 | 35.6 | 15.0 | 4.3 |
| Lysine | 68.0 | 50.3 | 33.4 | 7.3 | 4.2 | 29.4 | 38.1 | 20.5 | 5.0 |
| Cysteine | 39.0 | 37.9 | 36.0 | 6.3 | 9.7 | 48.1 | 31.4 | 13.0 | 2.6 |
| Tyrosine | 59.0 | 56.9 | 27.1 | 5.5 | 4.8 | 41.9 | 34.8 | 12.3 | 4.4 |
| Arginine | 43.0 | 35.8 | 44.3 | 8.7 | 6.5 | 30.3 | 39.9 | 16.3 | 8.3 |
| Alanine | 53.0 | 42.2 | 40.2 | 8.3 | 5.7 | 34.2 | 38.0 | 18.8 | 4.0 |
| Glutamic acid | 42.0 | 54.6 | 28.6 | 5.7 | 3.6 | 49.6 | 26.7 | 16.2 | 2.8 |
| Threonine | 56.0 | 49.7 | 33.6 | 7.0 | 5.6 | 36.1 | 36.0 | 18.1 | 4.0 |
| Leucine | 56.0 | 54.3 | 29.2 | 6.2 | 4.8 | 40.6 | 37.1 | 12.7 | 4.2 |
| Methionine | 62.0 | 49.7 | 32.4 | 7.2 | 5.6 | 40.6 | 35.2 | 13.8 | 4.2 |
| Phenylalanine | 50.0 | 53.8 | 29.0 | 5.7 | 5.6 | 41.3 | 35.6 | 13.6 | 3.8 |
| Valine | 56.0 | 57.4 | 27.2 | 5.6 | 4.8 | 38.0 | 36.3 | 14.9 | 4.9 |
| Histidine | 54.0 | 48.3 | 37.1 | 7.2 | 4.3 | 39.7 | 34.3 | 16.5 | 4.2 |
| Aspartic acid | 49.0 | 45.5 | 35.8 | 8.1 | 5.9 | 24.1 | 35.1 | 27.6 | 4.3 |
| Glycine | 46.0 | 30.6 | 51.9 | 9.1 | 4.8 | 38.6 | 33.9 | 17.0 | 5.5 |
| Serine | 53.0 | 58.0 | 23.9 | 5.2 | 6.8 | 40.7 | 34.6 | 15.2 | 3.9 |
| Proline | 51.0 | 66.2 | 27.6 | 3.3 | 2.6 | 55.6 | 25.3 | 12.3 | 2.2 |
Data are presented as the mean intake of any amino acids as percent from total animal or percent from total plant sources.
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