In Vitro Evaluation of Antiprotozoal and Antiviral Activities of Extracts from Argentinean Mikania Species

Table 1

Trypanocidal 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	91.1±3.7	77.6±4.5	14.2±4.6
	Aqueous	40.4±1.4	23.2±2.9	n.d.
Mikania periplocifolia	Organic	95.5±0.4	56.7±5.0	7.0±4.2
	Aqueous	40.2±2.5	25.2±1.0	n.d.
Mikania parodii	Organic	94.9±0.5	33.0±1.3	2.3±1.5
	Aqueous	30.2±2.0	19.0±1.8	n.d.
Mikania cordifolia	Organic	86.2±1.8	10.5±2.5	n.d.
	Aqueous	13.6±2.8	12.2±5.4	n.d.

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