Amino acid composition of quinoa compared with wheat, soybean, skimmed milk, and amino acid requirements of humans.
Content (g/100g protein) |
|||||||
Amino acid |
Hydroponic quinoa |
Field quinoa seeds |
Wheat |
Soybeanz |
Skimmed milk |
Amino acid requirements |
|
leaves |
seeds |
||||||
Isoleucine |
3.2 |
3.9 |
5.2 |
3.8 |
4.9 |
6.3 |
4.0 |
Leucine |
5.6 |
6.4 |
6.7 |
6.8 |
7.6 |
9.7 |
6.7 |
Lysine |
3.5 |
5.9 |
6.2 |
2.9 |
6.4 |
7.7 |
5.0 |
Phenylalanine |
3.9 |
4.1 |
3.8 |
4.5 |
4.9 |
4.9 |
3.2 |
Arginine |
4.0 |
9.4 |
7.9 |
4.8 |
7.2 |
3.7 |
2.0 |
Histidine |
1.2 |
3.0 |
2.7 |
2.2 |
2.5 |
2.6 |
1.7 |
Alanine |
3.9 |
4.0 |
4.4 |
3.8 |
4.3 |
4.0 |
-.- |
Aspartic acid |
8.0 |
9.0 |
8.1 |
5.3 |
12.0 |
8.3 |
-.- |
Glutamic acid |
14.0 |
15.0 |
14.0 |
27.0 |
18.0 |
23.0 |
-.- |
Glycine |
4.3 |
5.3 |
5.7 |
4.0 |
4.2 |
2.2 |
-.- |
Proline |
3.6 |
3.5 |
4.0 |
10.0 |
5.5 |
11.0 |
-.- |
Serine |
3.6 |
4.4 |
4.6 |
5.0 |
5.6 |
6.0 |
-.- |
Tyrosine |
2.6 |
3.2 |
3.1 |
3.1 |
3.5 |
5.0 |
3.2 |
Phenylalanine + Tyrosine |
6.5 |
7.3 |
6.9 |
7.6 |
8.4 |
9.9 |
6.4 |
Cysteine |
0.6 |
1.0 |
1.4 |
2.3 |
1.5 |
0.9 |
1.3 |
Methionine |
0.8 |
1.0 |
1.4 |
1.7 |
1.4 |
2.5 |
1.9 |
Threonine |
3.5 |
3.5 |
4.1 |
3.1 |
4.2 |
4.6 |
3.4 |
Tryptophan |
1.6 |
1.1 |
1.2 |
1.1 |
1.3 |
1.4 |
1.1 |
Valine |
4.0 |
4.5 |
4.6 |
4.7 |
5.0 |
6.9 |
4.6 |
Cysteine + Methionine |
1.4 |
2.0 |
2.8 |
4.0 |
2.9 |
3.4 |
3.2 |