Table 4 Comparative antiplasmodial activity of Morinda lucida, Alstonia boonei, the combined recipe of plant extracts and chloroquine (a standard drug) to 10 mg/kg against P. berghei

Morinda lucida

400

2.40 ± 0.24^a

0.40 ± 0.20^ab

83

600

4.40 ± 0.24^bcde

1.40 ± 0.24^ab

68

800

2.20 ± 0.20^a

1.20 ± 0.58^ab

45

Alstonia boonei

400

3.80 ± 0.37^abcd

1.00 ± 0.32^ab

68

600

2.80 ± 1.07^ab

0.40 ± 0.24^ab

85

800

6.00 ± 0.32^e

1.60 ± 0.40^ab

73

Combined recipe

400

3.20 ± 0.37^abc

0.80 ± 0.37^ab

75

600

3.80 ± 0.97^abcd

0.40 ± 0.24^ab

89

800

5.80 ± 0.49^e

0.40 ± 0.24^ab

92

Chloroquine

10

5.40 ± 0.24^de

0.00 ± 0.00^a

100