In this study, extraction of the banana peels were done by two solvent kinds and water. Cytotoxic activityof extracts tested using assay MTT. Inhibition cells was 68.2% when peel wasextracted hexane, effect its cytotoxicity highest at 100 ?g/ml. On other hand,growth inhibition MCF-7 recorded concentration. While, ethanol extract thesecond stage according to which reached 54.1% followed watery s...