Figure 4From: Spermicidal and anti-Trichomonas vaginalis activity of Brazilian Sapindus saponaria EC 50 determination of the water-ethanol (WE- panel A) and butanolic (BE- panel B) extracts, and saponins (SP- panel C) of Sapindus saponaria in human semen. Each curve represents the concentrations from extracts and SP needed to produce immobility (not viability) of 50% of spermatozoa at MEC, in three independent experiments.Back to article page