| scavenge free radicals | 0.25 |
| act as antioxidant | 0.25 |
| help protect integrity … | 0.16 |
| amino acid | 0.68 |
| replaced by asp | 0.37 |
| replaced by lys | 0.37 |
| replaced by leu | 0.37 |
| replaced by val | 0.37 |
| replaced by ala | 0.37 |
| made in the body | 0.36 |
| made in low protein | 0.36 |
| made in vegetarian | 0.36 |
| made in diet | 0.36 |
| shown in yellow | 0.25 |