In Vitro Assessment of Antiplasmodial Activity and Cytotoxicity of Polyalthia longifolia Leaf Extracts on Plasmodium falciparum Strain NF54

Table 2

Categorisation of biological substance of plant extracts based on antiplasmodial activity.

IC50 value (g/mL)	Category of biological substances
< 5	Very active
5 – 50	Active
50 – 100	Weakly active
> 100	Inactive

Source [11].