980 resultados para Eugenia


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Esta dissertação se situa no campo de estudos da História da Educação e privilegia o período compreendido entre 1920 e 1941, com vistas a destacar a dimensão educativa dos escritos de Maria Eugenia Celso em diálogo com estudos sobre a história das mulheres no Brasil e no ocidente, com a questão de gênero. Para dar tratamento a esse propósito, investe-se nas possibilidades de pesquisa do texto jornalístico e literário de Maria Eugenia Celso, elencando-se seus escritos na coluna Pagina de Eva do periódico Revista da Semana, reportagens em prol da Federação Brasileira pelo Progresso Feminino publicados pelo Jornal do Brasil e documentos desta entidade, bem como o livro Diário de Ana Lúcia. A escolha pelos referidos escritos justifica-se pela presença de discursos que encaminham para uma educação da mulher. Nesta perspectiva, neste texto acadêmico, busca-se lançar luz sobre a trajetória da escritora, para que suas obras tenham mais visibilidade. Almeja-se, da mesma forma, possibilitar uma leitura mais aprofundada da sociedade à época tanto quanto da dimensão educativa do impresso para a história das mulheres brasileiras. Neste estudo, destaco a mulher presente no espaço doméstico e no espaço público, abordando diferentes representações da mulher nas primeiras décadas do século XX

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2009

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Objetivou-se avaliar o efeito da inclusão de níveis crescentes de folhas de pitangueira (Eugenia uniflora) na dieta sobre a digestibilidade de ovinos adultos.

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Tesis (Maestro en Ciencias, con especialidad en Morfología). U. A. N. L.

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Tesis (Maestría en Ciencias de la Administración con Especialidad en Finanzas) U.A.N.L.

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UANL

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Tesis (Doctor en Ciencias con Orientación terminal en Morfología) U.A.N.L., 2006

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Presentar lo más sistemáticamente posible la concepción pedagógica de María Eugenia, para preservarla de cualquier desviación errónea, fruto de una interpretación subjetiva. Expone sus líneas fundamentales desde una ambientación histórica y desde un conocimiento sintético de la personalidad de María Eugenia, explica las característica y el eje central de su educación y pone de manifiesto la actualización de su pedagogía. 1) El siglo XIX se caracteriza por la gran actividad pedagógica en la que la Iglesia Católica colabora poniendo sólidos fundamentos. Es en este momento y bajo este impulso en el que aparece la figura de María Eugenia Milleret de Brou, su pensamiento dominante fue siempre cristianizar completamente la educación liberándola de las tradiciones paganas, es decir, formar la inteligencia, la memoria, la imaginación, la voluntad y el corazón a partir de las enseñanzas del Evangelio. 2) Las familias de la buena sociedad se conformaban con dar a sus hijos una formación superficial, se pensaba más en divertirlos y mimarlos que en educarlos, no desarrollaban en ellos virtudes sólidas y valores humanos que les preparasen para la vida. 3) Ante un ambiente naturalista María Eugenia ve en el desarrollo de los valores humanos, en la formación de la voluntad por el esfuerzo y en la formación de la inteligencia por la búsqueda de la verdad, los fundamentos donde apoyar su pedagogía. Pedagogía que sólo concibe en base cristiana. 4) Para María Eugenia la educación cristiana no consiste en prácticas o enseñanzas determinadas sino en la transmisión de una vida, de un pensamiento que es el de Cristo y esto por todos los medios, uno de los cuales es la cultura. 1) María Eugenia quiere responder a una necesidad urgente de la sociedad a la que pertenece: la educación de la mujer. Llamada que sigue existiendo en el mundo de hoy. 2) La meta educativa de María Eugenia de llegar a formar auténticas personalidades cristianas, basándolas en un desarrollo de los valores humanos, es tanto mas actual en un momento que se tiende tan marcadamente al antropocentrismo. 3) Por las actitudes y valores que exige al educador, María Eugenia muestra la importancia de su misión como animador en el proceso madurativo de la persona, no sólo desde el punto de vista humano sino su radicación en la fe.

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Different extraction processes were employed to extract the polyphenolic compounds from pitanga (Eugenia uniflora L) leaves: a one-step process using water, ethanol or supercritical CO(2) as solvents, and a two-step process using supercritical CO(2) followed by either water or ethanol. The total polyphenolic compounds, total flavonoids and antioxidant activity were determined in all the extracts obtained. The process performance was evaluated with respect to three variables: global extraction yield, concentration and yield of both polyphenols and flavonoids in the extracts. For the one-step extraction, the results showed that the extraction yield increased with solvent polarity. For the two-step process, the results suggested that water was more efficient in extracting the phenolic compounds from E. uniflora when the matrix was previously extracted with scCO(2). With respect to the antioxidant activity, the ethanolic extracts obtained from both processes, using either the DPPH radical scavenging method or the beta-carotene bleaching method, presented high antioxidant activities. (C) 2010 Elsevier B.V. All rights reserved.

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Supercritical carbon dioxide (SC-CO(2)) extractions of Brazilian cherry (Eugenia uniflora L.) were carried out under varied conditions of pressure and temperature, according to a central composite 2(2) experimental design, in order to produce flavour-rich extracts. The composition of the extracts was evaluated by gas chromatography coupled with mass spectrometry (GC/MS). The abundance of the extracted compounds was then related to sensory analysis results, assisted by principal component and factorial discriminant analysis (PCA and FDA, respectively). The identified sesquiterpenes and ketones were found to strongly contribute to the characteristic flavour of the Brazilian cherry. The extracts also contained a variety of other volatile compounds, and part of the fruit wax contained long-chain hydrocarbons that according to multivariate analysis, contributed to the yield of the extracts, but not the flavour. Volatile phenolic compounds, to which antioxidant properties are attributed, were also present in the extracts in high proportion, regardless of the extraction conditions. (C) 2010 Elsevier Ltd. All rights reserved.

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The leaves of the Pitanga bush (Eugenia uniflora L.) are considered to be effective against many diseases. Extracts from Pitanga leaves have been found to show pronounced anti-inflammatory action and to have antimicrobial and antifungal activities, among other properties. In this work, extracts from Pitanga leaves were obtained by hydrodistillation and by extraction with supercritical carbon dioxide (SC-CO(2)) at three conditions of temperature and pressure. In the SC-CO(2) extractions also were collected the components that are lost with the CO(2) in the exit of the system using Porapak-Q polymer trap. All extracts were analyzed by gas chromatography-mass spectrometry (GC-MS). Thirty-nine compounds were found in the extracts and twenty-six were identified. The main components identified in the extracts in decreasing quantitative order were: curzerene, germacrene B, C(15)H(20)O(2) and beta-elemene for hydrodistillation; C(15)H(20)O(2) and curzerene for SC-CO(2) extracts and 3-hexen-1-ol, curzerene, C(15)H(20)O(2), beta-elemene and germacrene B for SC-CO(2) extracts captured in Porapak-Q. PRACTICAL APPLICATIONS The natural extracts are a potential source of compounds possessing biological activities. They can be used in foods, pharmaceutics and cosmetics. Pitanga is an exotic fruit from Brazil and extracts from its leaves have been used against many diseases in Brazilian folk medicine. Supercritical extraction is an interesting process for the production of natural extracts because it is a clean process and the knowledge of composition of extracts is crucial for the identification of the probable active components.