Table 4 Safety scoring according to LD50
From: Do ethnobotanical and laboratory data predict clinical safety and efficacy of anti-malarial plants?
OECD classification | Score | Acute LD50 for rats (mg/kg body weight) |
|---|---|---|
Oral | ||
Solid | ||
Very toxic | -10 | ≤5 |
Toxic | -8 | >5 – 50 |
Harmful | -5 | >50 – 500 |
No label | 0 | >500 – 2000 |
Unlikely to present acute hazard | +6 | >2000 |
Not Tested | 0 |