Table 1.

Concentration of different active components of plants products used in toxicity trial against Fasciola gigantica larva (redia and cercaria).

Larvicides	In vivo concentrations mg/L	In vitro concentrations mg/L
Z. officinale extract	—	7, 10, 20, 30
F. asafoetida extract	—	1, 2, 3, 5
Neem oil	—	0.5, 1, 2, 3
A. sativum extract	—	0.1, 0.2, 0.3, 0.5
Citral	10, 20, 30, 50	5, 10, 20, 30
Ferulic acid	0.7, 1, 2, 3	0.5, 0.7, 1, 2
Umbelliferone	1, 2, 3, 5	0.3, 0.5, 1, 2
Azadirachtin	0.1, 0.2, 0.3, 0.5	0.07, 0.1, 0.2, 0.3
Allicin	0.7, 1, 3, 5	0.01, 0.02, 0.03, 0.05