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      Anatomical and histochemical characterization of Dipteryx odorata and Taralea oppositifolia, two native Amazonian species

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          Abstract

          Abstract Dipteryx odorata (Aubl.) Willd. and Taralea oppositifolia Aubl., Fabaceae: Dipterygeae, are two Amazonian species of great economic and pharmacological potential. The anatomy of these species, however, remains poorly studied. The aim of this work was to inventory leaf anatomical characteristics of D. odorata and T. oppositifolia and to locate and identify secretory structures and determine the main classes of metabolites they store. Vegetative branches were collected in Parque Ecológico de Gunma, Belém, state of Pará, Brazil. Some of the branches were destined for herborization while the remainder was submitted to standard protocols for anatomical analysis and histochemical tests. Both species were found to possess an unstratified epidermis, with D. odorata being amphistomatic and T. oppositifolia being hypostomatic, and dorsiventral mesophyll with spongy parenchyma and wide cellular space. The two species were also found to possess idioblasts and secretory cavities that produce a heterogeneous exudate consisting of polysaccharides, lipids, alkaloids and phenolic compounds. The species presented differences in leaf anatomy and chemical composition of the secretory structures, which may be useful in their differentiation.

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            Histological demonstration of mucin after periodic acid.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbfar
                Revista Brasileira de Farmacognosia
                Rev. bras. farmacogn.
                Sociedade Brasileira de Farmacognosia (Curitiba, PR, Brazil )
                0102-695X
                1981-528X
                August 2019
                : 29
                : 4
                : 425-433
                Affiliations
                [5] Juriti Pará orgnameUniversidade Federal do Oeste do Pará orgdiv1Coordenação de Agronomia Brazil
                [4] Distrito Federal orgnameUniversidade de Brasília orgdiv1Programa de Pós-graduação em Botânica Brazil
                [1] Belém PA orgnameUniversidade Federal Rural da Amazônia/Museu Paraense Emílio Goeldi orgdiv1Programa de Pós-graduação em Ciências Biológicas, Brazil
                [3] Lavras Minas Gerais orgnameUniversidade Federal de Lavras orgdiv1Programa de Pós-graduação em Botânica Aplicada Brazil
                [2] Codó orgnameUniversidade Federal do Maranhão orgdiv1Coordenação de Licenciatura em Ciências Naturais Brazil
                Article
                S0102-695X2019000400425
                10.1016/j.bjp.2019.05.004
                1195ca3a-844d-4996-ba3a-a7479551e0d1

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 15 May 2019
                : 04 February 2019
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 67, Pages: 9
                Product

                SciELO Brazil

                Categories
                Original articles

                Leaflet blade,Medicinal plants,Idioblasts,Fabaceae,Secretory structures

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