Table 2.

Leishmanicidal activity of organic and aqueous extracts of Mikania micrantha, M. periplocifolia, M. parodii, and M. cordifolia.

Species	Extract	% of growth inhibition ± SEM
		100 μg/mL	10 μg/mL	1 μg/mL
Mikania micrantha	Organic	90.9 ± 0.8	84.9 ± 6.1	77.8 ± 1.1
	Aqueous	41.6 ± 4.1	29.9 ± 1.5	n.d.
Mikania periplocifolia	Organic	73.4 ± 5.3	69.2 ± 2.0	53.5 ± 4.3
	Aqueous	78.4 ± 7.2	11.4 ± 4.0	n.d.
Mikania parodii	Organic	87.3 ± 1.7	73.0 ± 0.6	58.7 ± 3.9
	Aqueous	48.7 ± 8.4	7.7 ± 1.5	n.d.
Mikania cordifolia	Organic	69.7 ± 6.6	55.7 ± 7.4	35.3 ± 7.5
	Aqueous	38.9 ± 3.5	5.0 ± 1.1	n.d.

Results are expressed as mean ± SEM. n.d.: not determined.