ABSTRACT: Sideroxylon obtusifolium (Humb. ex Roem. & Schult.) T.D. Penn., Sapotaceae. It is popularly known as “Quixaba”, in the Northeast and Southwest regions of Brazil, the species stands out for its use in folk medicine, indicated for cases of inflammation and pain in general. However, as there are no specific bibliographic studies in the literature on the antioxidant and anti-inflammatory activity of t...