Open Access
Table 1
Levels of essential, conditionally-essential and non-essential amino acids found in canola meal and protein products derived from canola.
| Amino acid | Canola protein products, g amino acid/100 g protein | ||||||
| Canola meal, | Alkali extracted and | 11S | |||||
| g/100 g CPa | acid precipitated | SuperteinTM,c | Puratein®, c | IsolexxTM, d | 2S isolatee | concentratee | |
| protein isolateb | |||||||
| Essential | |||||||
| Cysteine | 2.29 | 0.39 | 4.5 | 1.6 | 2.0 | 8.1 | 1.4 |
| Histidine | 3.39 | 3.17 | 3.6 | 2.5 | 3.1 | 3.5 | 1.7 |
| Isoleucine | 3.47 | 5.18 | 3.0 | 4.4 | 4.2 | 6.0 | 6.1 |
| Leucine | 6.19 | 9.26 | 6.0 | 8.2 | 7.8 | 6.8 | 6.6 |
| Lysine | 5.92 | 5.62 | 7.4 | 4.0 | 5.5 | 3.4 | 4.6 |
| Methionine | 1.94 | 2.60 | 2.4 | 1.9 | 2.0 | 2.7 | 2.2 |
| Phenylalanine | 4.06 | 5.13 | 2.6 | 4.9 | 4.4 | 4.3 | 4.0 |
| Threonine | 4.27 | 5.30 | 3.2 | 3.7 | 4.5 | 4.5 | 4.3 |
| Tryptophan | 1.33 | not reported | 1.4 | 2.0 | 1.5 | 1.3 | 1.2 |
| Tyrosine | 2.50 | 3.93 | 1.4 | 4.1 | 3.3 | 3.4 | 2.5 |
| Valine | 4.97 | 5.85 | 4.3 | 5.5 | 5.0 | 5.1 | 4.6 |
| Conditionally essential | |||||||
| Arginine | 6.62 | 7.66 | 5.8 | 7.2 | 7.6 | 5.4 | 5.3 |
| Glutamine+Glutamate | 18.14 | 17.27 | 24.6 | 19.8 | 19.8 | 14.2 | 19.8 |
| Glycine | 4.92 | 5.05 | 4.3 | 5.4 | 5.4 | 6.5 | 6.8 |
| Proline | 5.97 | 4.32 | 9.2 | 5.8 | 5.8 | 4.7 | 6.8 |
| Non-essential | |||||||
| Alanine | 4.36 | 5.14 | 4.0 | 4.2 | 4.5 | 5.2 | 5.3 |
| Aspartic acid+Aspartate | 7.25 | 9.41 | 2.6 | 9.3 | 8.8 | 11.4 | 10.5 |
| Serine | 4.00 | 4.74 | 3.3 | 4.1 | 4.9 | 5.2 | 5.5 |
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