Various Parts of Helianthus annuus Plants as New Sources of Antimalarial Drugs

Table 4

Mean percentage of parasitaemia, growth, and inhibition against P. berghei of 96% ethanol H. annuus root extract compared with control.

Sample	Dose (mg/kg)	Mean % parasitaemia		Mean % growth	Mean % inhibition	ED50 (mg/kg)
		D0	D4
96% ethanol extract of H. annuus root	1	1.1 ± 0.1	26.2 ± 1.4	6.3 ± 0.4	35.8 ± 4.7	10.6 ± 0.2
	10	1.0 ± 0.2	21.2 ± 0.9	5.1 ± 0.2	48.3 ± 2.8
	100	1.0 ± 0.1	15.4 ± 1.7	3.6 ± 0.4	64.0 ± 5.3
	250	1.2 ± 0.4	12.0 ± 1.8	2.7 ± 0.4	72.3 ± 5.3
Na CMC	—	1.2 ± 0.3	40.3 ± 6.1	9.8 ± 1.5	—