| Typicality: | 0.423 |
| Saliency: | 0.406 |
| from free radical damage | 14 | transitive-object |
| from oxidative stress | 6 | transitive-object |
| by scavenging reactive oxygen species | 5 | manner |
| melatonin → protect → cell | 18 |
| melatonin → protect → protein | 6 |
| melatonin → protect → organism | 4 |
| melatonin → protect → healthy cells | 3 |
| negative | neutral | positive |
| 0.062 | 0.518 | 0.420 |
| Raw frequency | 31 |
| Normalized frequency | 0.406 |
| Modifier score | 0.500 |
| Perplexity | 186.772 |