Cytotoxic and antimicrobial potential of different leaves extracts of R. fruticosus used traditionally to treat diabetes

•Rubus fruticosus is an indigenous plant used traditionally in Oman to treat different disorders.•Antimicrobial activity of crude extracts and isolated fractions of the selected plant was determined by diffusion method.•Cytotoxic activity of crude extracts and isolated fractions of the selected plant was determined by brine shrimp method.•Hydro alcoholic extract showed the highest activity and it could be used as folk medicine to treat diseases.