RESUMO:Considerando-se a qualidade dos fi toterápicos, é importante salientar que a preocupação com esta questão inclui rigoroso acompanhamento das diferentes etapas do desenvolvimento e produção destes produtos, desde a coleta do vegetal até a disponibilidade do produto fi nal. Neste trabalho, foram realizados o controle da qualidade, o potencial antioxidante como também ensaios biológicos in vitro do fruto da goiabeira (Psidium guajava L.), para o desenvolvimento de uma formulação fi tocosmética. Os resultados obtidos mostraram que o fruto apresenta taninos e fl avonóides, bem como atividades antioxidante e antimicrobiana. A análise microbiológica não apresentou crescimento de patógenos na formulação desenvolvida entre os outros testes realizados. Destaca-se a importância do estabelecimento do controle da qualidade para as plantas, a fi m de que sejam utilizadas para o desenvolvimento de uma formulação fi tocosmética segura, efi caz e com qualidade.Unitermos: Psidium guajava, Myrtaceae, goiaba, atividade antioxidante, fi tocosmético, atividade antimicrobiana.ABSTRACT: "Phytochemical study of guava (Psidium guajava L.) with potential antioxidant activity aiming at developing a phytocosmetic formulation". Considering the quality of the phytotherapic products, it is important to point out that the concern with this question includes rigorous accompaniment of the different stages of the development and production of these products, since the collection of the vegetable until the availability of the end product. In this work the quality control, the antioxidant potential were performed as also biological assays in vitro of guava fruit (P. guajava L.), for the development of a phytocosmetic formulation. The results had shown that the fruit presents tannins and fl avonoids, as well as antioxidant and antimicrobial activities. The microbiological analysis did not present growth of pathogens. The importance of the establishment of the quality control for the plants is relevant, so that they are used for the development of a phytocosmetic formulation considered safe, effi cient and with quality.
Davilla elliptica St. Hill ("lixinha"), family Dilleniaceae, is commonly used in the Brazilian folk medicine as purgative and stimulant. This work evaluated the antimicrobial activity of the methanol and chloroform extracts of the leaves and barks of D. elliptica using the discdiffusion method. The results obtained showed that the methanolic extracts of the leaves and barks presented antimicrobial activity against the tested microorganisms.
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