Table 8.1
Typical amino acid profile of different microalgae as compared with conventional protein sources and the WHO/FAO (1973) (g per 100 protein)
Source
Ile
Leu
Val Lys Phe Tyr Met Cys Try Thr Ala
Arg Asp
Glu
Gly His
Pro
Ser
WHO/FAO
4.0
7.0 5.0
5.5
6.0
–
3.5
1.0
Egg
6.6
8.8 7.2
5.3
5.8
4.2
3.2
2.3
1.7
5.0
–
6.2
11.0 12.6 4.2
2.4
4.2
6.9
Soybean
5.3
7.7 5.3
6.4
5.0
3.7
1.3
1.9
1.4
4.0
5.0 7.4
1.3 19.0 4.5
2.6
5.3
5.8
Maize
a
3.7 13.6 4.3
2.1
5.3
3.5
1.7
1.2
0.4
3.1
10.8 3.6
5.8 12.4 2.8
2.0
8.3
5.0
Chlorella vulgaris
3.8
8.8 5.5
8.4
5.0
3.4
2.2
1.4
2.1
4.8
7.9 6.4
9.0 11.6 5.8
2.0
4.8
4.1
Dunaliella bardawil
4.2 11.0 5.8
7.0
5.8
3.7
2.3
1.2
0.7
5.4
7.3 7.3
10.4 12.7 5.5
1.8
3.3
4.6
Scenedesmus
obliquus
3.6
7.3 6.0
5.6
4.8
3.2
1.5
0.6
0.3
5.1
9.0 7.1
8.4 10.7 7.1
2.1
3.9
3.8
Arthrospira maxima
6.0
8.0 6.5
4.6
4.9
3.9
1.4
0.4
1.4
4.6
6.8 6.5
8.6 12.6 4.8
1.8
3.9
4.2
Arthrospira platensis
6.7
9.8 7.1
4.8
5.3
5.3
2.5
0.9
0.3
6.2
9.5 7.3
11.8 10.3 5.7
2.2
4.2
5.1
Aphanizomenon sp.
2.9
5.2 3.2
3.5
2.5
–
0.7
0.2
0.7
3.3
4.7 3.8
4.7
7.8 2.9
0.9
2.9
2.9
Sources
a
Maize amino acid profile data from Mertz (1970). Rest of data from Becker (2007)
256
M. Vanthoor-Koopmans et al.