Valorisation of phenolic composition, antioxidant and cell growth activities of tomato waste

► Phenolic compounds and bioactivities of tomato waste extracts were determined. ► Some individual phenolic compounds were identified and quantified by HPLC. ► Tomato waste extracts exhibited good antioxidant properties. ► Tomato waste extracts influenced cell growth depending on cell lines and dose. ► Tomato waste should be regarded as potential nutraceutic resource.