Abstract
<p>In this work, the possible correlation between the antioxidant activities and the Total Phenolic Content (TPC) and chemical composition of Lamiaceae (<em>H. conferta, H. dilatata, H. mutabilis, H. suaveolens</em>), Burseraceae (<em>P. heptaphyllum, T. rhoifoila, T. panamensis</em>),<em> </em>and Lauraceae (<em>Ocotea </em>sp.) were evaluated. The Trolox Equivalent Antioxidant Capacity or the Total Antioxidant Activity (TAA) was determined by using a colorimetric assay with the ABTS radical cation, Effective Concentration (EC<sub>50</sub>) was evaluated with the DPPH radical, and the TPC was established by the Folin-Ciocalteu method, for ethanolic extracts obtained by cold maceration and evaporation to dryness. Both the TAA and the EC<sub>50</sub> were highly correlated with the TPC. The barks of <em>T. rhoifolia</em> and<em> T. panamensis</em> demonstrated the highest antioxidant capacities. The Burseraceae spp. exhibited the highest TPC, and the Lamiaceae (<em>Hyptis</em> spp.) demonstrated the lowest TPC.</p>
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