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Table 2 Effect of extracts on the viability of microfilariae at 120 hours in secondary screens

From: Selective activity of extracts of Margaritaria discoidea and Homalium africanum on Onchocerca ochengi

Concentration of extract (μg/mL) % Inhibition of microfilarial motility
  MRH MLC HLH HLC Negative control*
500 100 100 100 100 0
250 100 100 100 100 0
125 100 100 100 100 0
62.5 100 50 0 100 0
31.25 0 0 0 50 0
15.63 0 0 0 0 0
7.81 0 0 0 0 0
3.91 0 0 0 0 0
0 0 0 0 0 0
  1. All four extracts codes are defined in Table 1. *The negative control wells contained worms in culture medium with 2% DMSO only.