Fig. 4
From: Natural products from Zanthoxylum heitzii with potent activity against the malaria parasite
Dihydronitidine is stable under culture conditions. a Concentration of dihydronitidine after incubation in in vitro culture media at 37 °C showing minimal breakdown over 72 h. b Incubation of dihydronitidine in culture media for 24 h does not improve efficacy (mean/SD of three technical replicates)