Aqueous extract of Plinia edulis leaves: Antioxidant activity and cytotoxicity to human breast cancer MCF-7 cell line

► We investigated the antioxidant and cytotoxic activities of the aqueous extract of Plinia edulis leaves (AEP). ► AEP exhibited antioxidant activity and was cytotoxic to the human breast cancer MCF-7 cell line. ► The extract seems to be a chemopreventive agent and a good candidate for antineoplastic drug development.