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Phytochemical Characterization and In Vitro Antioxidant Activity of the Extract and Fractions from Bidens subalternans Leaves

The species Bidens subalternans DC., belonging to the Asteraceae family, is a native plant of Brazil. The objective of this study was to perform preliminary phytochemical characterization and evaluate the antioxidant activity and acute toxicity of the ethanol extract (EE) and lea...