Fig. 3From: In vivo anti-malarial activity of the hydroalcoholic extract of rhizomes of Kniphofia foliosa and its constituentsAnti-malarial activity of knipholone and dianellin in mice infected with Plasmodium berghei. The ED50 was estimated from a plot of log dose against parasitaemia (expressed as a percentage of the control). Values are presented as mean ± SEM; n = 5Back to article page