Many cases of Staphylococcus aureus resistance to various antibiotics have been found, including 51% against erythromycin, 87,56% against penicilin and 75% against ampicilin-amoxicilin so that an alternative treatment is needed to avoid it. Purple sweet potato leaves (Ipomoea batatas (L.) Lamk) contain flavonoid compounds which have antibacterial activity by inhibiting nucleic acid and protein …