Table 1 LC50 of L. lanceolata crude extracts and positive control tested against O. ochengi and C. elegans wild type after 48 h and 72 h exposure. Data are mean ± SEM from three independent duplicate experiments

Worms

Leaves

Trunk barks

Root barks

Leaves

Trunk barks

Root barks

Ivermectin

Levamisole

Albendazole

O. ochengi

9.76 ± 0.49 ^ns

(11.68 ± 0.44^ns)

8.05 ± 1.15 ^ns

(9.26 ± 1.67^ns)

6.39 ± 2.11 ^ns

(7.69 ± 1.35^ns)

9.45 ± 0.37 ^ns

(12.33 ± 1.01^ns)

7.95 ± 1.70 ^ns

(10.77 ± 2.55^ns)

6.39 ± 2.11 ^ns

(7.63 ± 1.29^ns)

2.23 ± 1.96 ^ns

(5.27 ± 0.01 ^ns)

3.62 ± 1.88 ^ns

(6.93 ± 0.032 ^ns)

4.34 ± 0.71 ^ns

(8.001 ± 0.00 ^ns)

C. elegans

4650.00 ± 1.58 ^**

(8210.00 ± 2.71^ns)

1200.00 ± 0.47 ^ns

(2370.00 ± 0.66^*)

1890.00 ± 0.26 ^**

(3030.00 ± 0.92^**)

3530.00 ± 0.78 ^***

(5440.00 ± 1.45^***)

2030.00 ± 0.36 ^** (2070.00 ± 0.39^**)

1000.00 ± 0.33 ^ns

(2640.00 ± 0.52^*)

2.17 ± 0.66 ^**

(2.41 ± 0.33 ^ns)

4.12 ± 0.31 ^**

(4.15 ± 0.68^ns)

4.26 ± 0.00 ^**

(4.35 ± 0.57 ^ns)