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      PHYTOCHEMICAL PROFILE AND GASTROPROTECTIVE ACTIVITY OF EUGENIA MATTOSII FRUITS Translated title: Perfil fitoquímico e atividade gastroprotetora dos frutos de Eugenia mattosii

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          Abstract

          ABSTRACT BACKGROUND: Extracts obtained from plants and fruits provide a relatively safe and practical alternative for the conventional medicine of gastrointestinal diseases. The specie Eugenia mattosii, popularly known in Brazil as “cerejinha”, belongs to Myrtaceae family. Species of this family present pharmacological properties, and can be used in the treatment of gastrointestinal disorders. OBJECTIVE: The aim of this study was to determine the phytochemical profile and evaluate the gastroprotective activity of Eugenia mattosii fruits. METHODS: Phytochemical analysis was carried out by thin layer chromatography and gastroprotective assays were performed using two experimental models: acute ulcer model induced by ethanol/HCl and acute ulcer model induced by non-steroidal anti-inflammatory drug (indomethacin). Total lesion area (mm2) and relative lesion area (%) were determined. RESULTS: The results of the phytochemical analysis indicated that the bark and pulp and seeds of E. mattosii present phenolic compounds, terpenes and/or steroids. In gastric ulcer model induced by ethanol was evidenced significant reduction of damaged areas for doses of 50 and 250 mg/ kg of seeds methanol extract, while in the indomethacin-induced ulcer model, all parts of the fruit presented defense capability of the gastric mucosa by reducing lesions at doses of 50, 125 and 250 mg/kg. CONCLUSION: The results demonstrate that the specie E. mattosii has bioactive compounds that provide gastroprotective activity, presenting possible therapeutic potential.

          Translated abstract

          RESUMO CONTEXTO: Extratos obtidos de plantas e frutos fornecem uma alternativa relativamente segura e prática para os remédios convencionais de doenças gastrointestinais. A espécie Eugenia mattosii, popularmente conhecida no Brasil como “cerejinha”, pertence à família Myrtaceae. Espécies desta família apresentam propriedades farmacológicas e podem ser utilizadas no tratamento de distúrbios gastrointestinais. OBJETIVO: O objetivo deste estudo foi determinar o perfil fitoquímico e avaliar a atividade gastroprotetora dos frutos de Eugenia mattosii. MÉTODOS: A análise fitoquímica foi realizada por cromatografia em camada delgada e dois modelos experimentais foram utilizados para avaliação da atividade gastroprotetora em camundongos: modelo de úlcera gástrica induzida por anti-inflamatório não-esteroidal (indometacina) e modelo de úlcera gástrica induzida por etanol/HCl. RESULTADOS: Os resultados da análise fitoquímica indicaram que a casca e polpa e as sementes de E. mattosii apresentam compostos fenólicos, terpenos e/ou esteroides. No modelo de úlcera gástrica induzido pelo etanol, foi evidenciada redução significativa de áreas danificadas para doses de 50 e 250 mg/kg do extrato das sementes, enquanto no modelo de úlcera induzida por indometacina, todas as partes do fruto apresentaram capacidade de defesa da mucosa gástrica ao reduzir as lesões nas doses de 50, 125 e 250 mg/kg. CONCLUSÃO: Os resultados demonstram que a espécie E. mattosii possui compostos bioativos com atividade gastroprotetora, apresentando possível potencial terapêutico.

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          Most cited references21

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          Antioxidant capacity and bioactive compounds of four Brazilian native fruits

          The purpose of this study was to evaluate the bioactive compounds and antioxidant activity of extracts from araçá ( Psidium cattleianum ), butiá ( Butia eriospatha ), and pitanga ( Eugenia uniflora ) fruits with different flesh colors (i.e., purple, red, and orange), and blackberries ( Rubus sp. ; cv. Xavante and Cherokee) collected in the southern region of Brazil. The content of ascorbic acid, total carotenoids, and phenolics were determined. The profile of the phenolic compounds was assessed by high-performance liquid chromatography combined with diode array detection (HPLC-DAD). The antioxidant activity was determined using the ferric-reducing antioxidant power (FRAP) assay, 2,2-diphenyl-2-picrylhydrazyl hydrate (DPPH) assay, total reactive antioxidant potential (TRAP) assay, and total antioxidant reactivity (TAR) assay. The Xavante blackberry and purple-fleshed pitanga showed the highest total phenolic content [816.50 mg gallic acid equivalents (GAE)/100g and 799.80 mg GAE/100g, respectively]. The araçá and red-fleshed pitanga showed the highest carotenoid content (6.27 ug β-carotene/g and 5.86 ug β-carotene/g, respectively). The fruits contained several phenolic compounds such as quercetin derivatives, quercitrin, isoquercitrin, and cyanidin derivatives, which may contribute differentially to the antioxidant capacity. The highest scavenging activity in the DPPH assay was found for purple-fleshed pitanga (IC 50 36.78 mg/L), blackberries [IC 50 44.70 (Xavante) and IC 50 78.25 mg/L (Cherokee)], and araçá (IC 50 48.05 mg/L), which also showed the highest FRAP, followed by orange- and red-fleshed pitanga. Our results revealed that some fruits grown in southern Brazil such as purple-fleshed pitanga, blackberries, and araçá are rich sources of phenolic compounds and have great antioxidant activity.
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            Effect of polyamines on acidified ethanol-induced gastric lesions in rats.

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              Anti-Ulcer Activity of Essential Oil Constituents

              Essential oils have attracted considerable worldwide attention over the last few decades. These natural products have wide-ranging pharmacological activities and biotechnological applications. Faced with the need to find new anti-ulcer agents and the great effort on the development of drugs for the treatment of ulcers, in this review, the anti-ulcer activities of 21 bioactive compounds found in essential oils are discussed.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ag
                Arquivos de Gastroenterologia
                Arq. Gastroenterol.
                Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. (São Paulo, SP, Brazil )
                0004-2803
                1678-4219
                June 2018
                : 55
                : 2
                : 138-141
                Affiliations
                [1] Itajaí Santa Catarina orgnameUniversidade do Vale do Itajaí orgdiv1Centro de Ciências da Saúde orgdiv2Curso de Nutrição Brazil
                [2] Itajaí Santa Catarina orgnameUniversidade do Vale do Itajaí orgdiv1Grupo de Pesquisa em Produtos Naturais Bioativos e Núcleo de Investigações Químico-Farmacêuticas Brazil
                Article
                S0004-28032018000200138
                10.1590/s0004-2803.201800000-24
                f7435a92-58e0-4e29-8d7a-15760776f14b

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

                History
                : 09 January 2018
                : 16 August 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 24, Pages: 4
                Product

                SciELO Brazil


                Gastroenteropatias, terapia,Eugenia,Antiulcerosos, farmacologia,Mucosa gástrica, efeitos de drogas,Gastrointestinal diseases, therapy,Anti-ulcer agentes,pharmacology,Gastric mucosa, drug effects

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