In summary, this study shows that A. herba-alba and R. chalep- ensis L. extracts possess antioxidant and anti-inflammatory activi- ties, which supports their ethnopharmacological use. Moreover, extracts of these two plants were found to be active against leuke- mia, bladder and laraynx carcinoma cell lines.
Our results show the interest of A. herba-alba, R. chalepensis L. and P. harmala L., among other medicinal plants, in search of new chemo-preventive agents against cancer progression. Clinical trials based on traditional administration of purified molecules extracted from these plants would be worthwhile in order to confirm these in vitro results. Further studies are envisaged to target the most interesting molecules responsible for these activities by bio-guided fractionation.