Protective effects of azarole polyphenolic extracts against oxidative damage using in vitro biomolecular and cellular models

•Tunisian azarole polyphenols exhibit antioxidant capacity and inhibited cholesterol oxidation.•Polyphenols protected liposomes and rat homogenate liver against lipid peroxidation.•Evaluation of cytotoxic effect of azarole extracts using normal and cancer cells.•Azarole extracts modified melanin production in melanoma cells.