| against protozoa | 8 | transitive-object |
| in the prevention of stroke | 4 | purpose |
| very | 2 | degree |
| alkaloid → be → effective | 8 |
| alkaloid → be → useful | 7 |
| alkaloid → proven to be of → medicinal value | 6 |
| alkaloid → proven to be of → benefit | 6 |
| negative | neutral | positive |
| 0.015 | 0.253 | 0.731 |
| Raw frequency | 27 |
| Normalized frequency | 0.751 |
| Modifier score | 0.700 |
| Perplexity | 125.845 |