Figure 1From: Post-marketing assessment of content and efficacy of preservatives in artemisinin-derived antimalarial dry suspensions for paediatric useTLC plate showing the separation of preservatives (1 = methylparaben, 2 = propylparaben, 3 = benzoic acid, 4 = sorbic acid) using a solvent mixture of methanol : water : ammonia (80 : 20 : 1, v/v/v)Back to article page