Table 2: LD50 values of NDF* through different routes.
| Route |
LD50 |
| Oral |
>5 g/kg |
| Dermal |
>5 g/kg |
| Intraperitoneal |
>570 mg/kg |
| Intratracheal |
>100 mg/kg |
| Intranasal |
>100 mg/kg |
Primary skin irritation index
(PSII) |
0.5 |
* NDF was suspended in 0.25% methyl cellulose for oral and was suspended in phosphate buffer for intratracheal, intranasal and intraperitoneal.