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      Constituintes químicos e atividade antioxidante de Byrsonima gardneriana (Malpighiaceae) Translated title: Chemical constituents and antioxidant activity of Byrsonima gardneriana (Malpighiaceae)

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          Translated abstract

          The phytochemical investigation of Byrsonima gardneriana led to the isolation of five triterpenes and one flavonoid: D:B-Friedoolean-5-en-3-one (1), friedoolean-14-en-3-one (2), friedelan-3-one (3), lup-20(29)-en-3-ol (4), 3β-hydroxiolean-12-ene (5) and 3,3',4',5,7-pentahydroxyflavan (6). Their structures were assigned based on spectroscopic analyses, including two-dimensional NMR techniques and comparison with published spectral data. Antioxidant activities of ethanol extract and phases were measured using the 1,2-diphenyl- 2-picryl-hydrazyl (DPPH) free radical scavenging assay, evaluation of total phenolic content and trolox equivalent antioxidant capacity (TEAC).

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          Food Chemistry

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            Fitoterapia

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              Phytochemistry

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                qn
                Química Nova
                Quím. Nova
                Sociedade Brasileira de Química (São Paulo )
                1678-7064
                2013
                : 36
                : 4
                : 524-527
                Affiliations
                [1 ] Universidade Federal da Paraíba Brazil
                [2 ] Universidade Federal da Paraíba Brazil
                [3 ] Universidade Federal de Campina Grande Brazil
                [4 ] Universidade Federal da Paraíba Brazil
                Article
                S0100-40422013000400007
                10.1590/S0100-40422013000400007
                0ac1c746-e3be-4797-9c23-9d2c2644029c

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-4042&lng=en
                Categories
                CHEMISTRY, MULTIDISCIPLINARY

                General chemistry
                Byrsonima gardneriana,triterpenes,antioxidant activity
                General chemistry
                Byrsonima gardneriana, triterpenes, antioxidant activity

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