Table 7.

Antimalarial activities of crude methanolic root extracts of Salvadora persica and mean survival time.

Dose mg/kg extract	% Parasitaemia ± SEM	% Suppression	MST
NC	72.06±0.96	0.00 a	7.6±0.24 a
200	52.21±0.57	27.69±1.14 b	9.4 ±0.24 b
350	46.22±0.93	35.85±0.89 b	10.2±0.2 b
500	35.6±3.14	50.6±4.01 c	10.4±0.24 b
QC	0.00	100 d	30(+) c

Means in a column followed by the same letter do not differ significantly (P>0.05).

Key: values are presented as M±SEM; n=5; CQ= Chloroquine Phosphate; NC = negative control (0.2ml of dH2O); + = maximum days of followup; MST=mean survival time.