Medicinal plants are very important for the pharmaceutical industry, considering that they are a resource for the development of drugs such as phytomedicines and phytopharmaceutics, and also as prototypes for the synthesis of new drugs [1,2] . Among the various classes of naturally occurring antioxidants, phenolic compounds are the most widely studied. The plants studied are used in popular folk medicine due to their different therapeutic properties; however, there have been very few studies in the literature regarding their antioxidant effects or other therapeutic properties. In this work, we evaluated the chemical profile by thin layer chromatography and antioxidant effects of methanol extracts of some edible fruits found in southern Brazil as well as the cell viability of extract of the seeds of Garcinia achachairu against murine melanoma cells. The genus Garcinia is known to contain a wide variety of compounds, which show a wide range of biological and pharmacological properties, e.g., antioxidant, antiinflammatory, antimicrobial and cytotoxic activities [3][4][5][6] . In Brazil, Garcinia achachairu Rusby is popularly known as "achachairu" and is used in folk medicine to treat rheumatism, inflammation, pain and gastric disorders [7,8] .We investigated the antinociceptive, genotoxic and gastroprotector potential of the methanol extract and of a pure compound using classical models including Guttiferone A [5,6,9] . Solanum sessiliflorun (Solanaceae) is known as "manna", "manna-cubiu", and "Indian tomato". It is originally from Western Amazonia and has been used in folk medicine to control hypercholesterolemia, uric acid, hypertension,
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