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      Plantas medicinais utilizadas pela comunidade do bairro dos Tenentes - município de Extrema, MG, Brasil Translated title: Medicinal plants used by the community of Tenentes District - Extrema Municipality, Minas Gerais State, Brazil

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          Abstract

          Este trabalho teve como objetivo verificar junto à comunidade do bairro dos Tenentes (Extrema, MG) como é feito o tratamento de doenças a partir do uso de plantas medicinais, bem como identificar e relacionar as plantas utilizadas com a literatura científica. Para tanto, foram realizadas entrevistas e coletas de plantas utilizadas na medicina popular local as quais, após processo de herborização e identificação, foram comparadas com informações disponíveis em literatura especializada. Foram identificadas 71 espécies, pertencentes a 33 famílias botânicas, sendo Asteraceae e Lamiaceae as mais expressivas. As folhas e ramos (88%) foram as partes mais utilizadas e a forma de preparo mais freqüente foi a infusão (67%). As plantas foram indicadas principalmente para o tratamento de males associados ao aparelho digestório (23 espécies), respiratório (16), excretor (10), nervoso (6), circulatório (5), endócrino (4), reprodutor feminino (2), e ainda como cicatrizante (7), antiinflamatório (4) e para dores no corpo (5).

          Translated abstract

          This study aimed to verify with the community of Tenentes District (Extrema Municipality, Minas Gerais State, Brazil) how diseases are treated by using medicinal plants, as well as to identify and relate the used plants to the scientific literature. Thus, interviews were done and plants used in the local folk medicine were collected; after the herborization process and identification, the obtained data were compared with information available in the literature. Seventy-one species were identified; they belonged to 33 botanical families, of which Asteraceae and Lamiaceae were most expressive. Leaves and branches (88%) were the most used part and the most frequent form of preparation was infusion (67%). The plants were indicated especially for the treatment of illness associated with digestive (23 species), respiratory (16), excretory (10), nervous (6), circulatory (5), endocrine (4) and woman reproductive systems (2), as healing (7), anti-inflammatory (4), and for general body aches (5).

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          Plantas medicinais: a necessidade de estudos multidisciplinares

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            Antibacterial activity directed isolation of compounds from Punica granatum.

            Chemical investigation of the methanolic extract of pomegranate fruit following antibacterial activity directed isolation led to the isolation of pelargonidin-3-galactose, cyanidin-3-glucose, gallic acid, quercetin, and myricetin. All these compounds exhibited substantial activity against species of corynebacteria, staphylococci, streptococci, Bacillus subtilis, Shigella, Salmonella, Vibrio cholera, and Escherichia coli. However, all these compounds were more active against Gram-positive species. On comparing the activity of all the isolated pure compounds, it was found that gallic acid showed the highest antibacterial activity against all the tested sensitive strains and the activity of the remaining pure compounds was almost same due to the structural similarities of the compounds. The reason for antibacterial activity of all pure compounds was attributed to their phenolic structure.
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              Myrcene mimics the peripheral analgesic activity of lemongrass tea.

              Oral administration of an infusion of lemongrass (Cymbopogon citratus) fresh leaves to rats produced a dose-dependent analgesia for the hyperalgesia induced by subplantar injections of either carrageenin or prostaglandin E2, but did not affect that induced by dibutyryl cyclic AMP. These results indicate a peripheral site of action which was confirmed with the essential oil obtained by steam distillation of the leaves. Silica gel column fractionation of the essential oil allowed the identification of myrcene as the major analgesic component in the oil. Identification of the components was made by thin-layer chromatography and checked by mass spectrometry. The peripheral analgesic effect of myrcene was confirmed by testing a standard commercial preparation on the hyperalgesia induced by prostaglandin in the rat paw test and upon the contortions induced by intraperitoneal injections of iloprost in mice. In contrast to the central analgesic effect of morphine, myrcene did not cause tolerance on repeated injection in rats. This analgesic activity supports the use of lemongrass tea as a "sedative" in folk medicine. Terpenes such as myrcene may constitute a lead for the development of new peripheral analgesics with a profile of action different from that of the aspirin-like drugs.
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                Author and article information

                Journal
                rbpm
                Revista Brasileira de Plantas Medicinais
                Rev. bras. plantas med.
                Sociedade Brasileira de Plantas Medicinais (Botucatu, SP, Brazil )
                1516-0572
                1983-084X
                2011
                : 13
                : 3
                : 282-292
                Affiliations
                [01] São Paulo orgnameUniversidade de Santo Amaro orgdiv1Faculdade de Biologia orgdiv2Laboratório de Fitoquímica Brasil
                Article
                S1516-05722011000300006 S1516-0572(11)01300306
                b2c511dc-9223-4414-abeb-d79a3167610c

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

                History
                : 11 July 2009
                : 24 January 2011
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 86, Pages: 11
                Product

                SciELO Brazil


                conhecimento popular,etnobotânica,Minas Gerais,ethnobotany,folk knowledge

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