Dissertações em Ciências Farmacêuticas (Mestrado) - PPGCF/ICS

URI Permanente para esta coleçãohttps://repositorio.ufpa.br/handle/2011/2313

O Mestrado Acadêmico em Ciências Farmacêuticas teve início em 2005 e homologado pelo CNE e funciona no Programa de Pós-Graduação em Ciências Farmacêuticas (PPGCF) do Instituto de Ciências da Saúde (ICS) da Universidade Federal do Pará (UFPA).

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    Avaliação de atividade antimicrobiana e perfil fitoquimíco de plantas medicinais utilizadas por comunidades remanescentes de quilombos no Marajó
    (Universidade Federal do Pará, 2020-12-28) SILVA, Suzana Helena Campelo Nogueira da; MONTEIRO, Marta Chagas; http://lattes.cnpq.br/6710783324317390; https://orcid.org/ 0000-0002-3328-5650; SILVA, Consuelo Yumiko Yoshioka e; http://lattes.cnpq.br/8337688339279747; https://orcid.org/ 0000-0002-9120-1910
    The ethnopharmacological survey is recognized as one of the most viable methods in the search for new medicinal plants, with the ultimate purpose of producing medicines of natural or semi-synthetic origin. In this sense, the remaining communities of Amazonian quilombolas (Marajó-PA) carry with them a great deal of knowledge about the use of medicinal plants, which has been passed down for generations in Mararajo soil, promoting the value of popular knowledge and its applicability in future studies. The objective of this study is to provide scientific support for the traditional use of plants in the treatment of dermatological diseases in quilombola communities in Marajó that do not yet have an adequate chemical and / or pharmacological study. During the fieldwork carried out between 2017 and 2018, 13 communities were interviewed, in which 7 plants with use in skin diseases were cited. Such plants were collected, and their exsiccates were prepared. After botanical identification by a qualified professional, an extensive bibliographic review was carried out, after which 3 plants were selected for phytochemical and pharmacological study (in vitro in Microsporum and Staphylococcus aureus). In addition, they were subjected to ORAC antioxidant and TP total polyphenols tests. The phytochemical profile was analyzed using liquid chromatography coupled to mass spectrometry (LC-MS) providing 17 chemical constituents, belonging to the flavonoid class. The results of the in vitro tests showed an antibacterial potential of the ethanolic extract of the leaves of C. alatus (MIC) of 0.625 µg / mL and (CBM) of 0.734 µg / mL and of the ethanol extract of the roots D. floribunda (MIC) of 125, 0 ug / mL and 200.0 μg / mL (CBM) compared to S. aureus, with emphasis on the F3 fraction (MIC) 25.0 μg / mL and (CBM) of 132.0 which presented the highest bacterial inhibition. Therefore, the results contributed to the validation of popular use and chemical characterization of the species that presented antimicrobial potential, which can be a promising candidate for herbal medicine.
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