In vitro antitrypanosomal activity of plant terpenes against Trypanosoma brucei

► The antitrypanosomal activity of 24 terpenes was evaluated against Trypanosoma brucei. ► Among them, 22 plant terpenes exhibited some level of the activity. ► α-Eudesmol and hinesol exhibited most selective and potent activities. ► Nardosinone and 4-peroxy-1,2,4,5-tetrahydro-α-santonin also showed potent activities.