The leaves of Sungkai (Peronema canescens Jack) contain secondary metabolites, flavonoids, which have the potential as antidepressant activity. This study aims to determine the effect of ethanol extract of Sungkai leaves on antidepressant activity and its optimal dose. In this study, six groups were divided: the normal group (NaCMC 0,5% without acute stress induction), the negative group (NaCMC…