Eurycomanoms is a cytotoxic ingredient found in Eurycoma longifolia jack .Previous studies have noted its activity against many epithellal cell lines. In this study, eurycomanone had abvious cytotoxic effect on Hela cell by methylene blue staining assays. After HeLa were treated with surycomanone, typical morphological changes, including cytoplasm shrinkage and decrease of cell volume were obseā¦