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Previous issue date: 2016-06-30 / As emuls?es s?o formula??es empregadas em diferentes segmentos da ind?stria, principalmente na ?rea aliment?cia, terap?uticas, cosm?ticas. Os ?leos de Linum usitatissimum e Sesamun indicum apresentam propriedades anti-inflamat?rias, em raz?o da presen?a de ?cidos graxos essenciais, podendo ter aplica??o na prepara??o de medicamentos pelo potencial farmacol?gico. O objetivo desse trabalho foi usar as propriedades farmacol?gicas do Punica granatum, como ativo, em sistema emulsionado, para aplica??o fitoter?pica. As emuls?es foram obtidas a partir de diagrama tern?rio utilizando a ?gua destilada como fase aquosa e a lecitina de Glycine max como tensoativo. Na prepara??o dos dois diagramas, na fase oleosa, utilizou-se os ?leos de Linum usitatissimum e Sesamun indicum. Nos diagramas obtidos, na regi?o de emuls?o do tipo O/A, foram escolhidos seis sistemas (tr?s em cada diagrama) por apresentar maior estabilidade. Os conservantes adicionados aos sistemas foram metilparabeno (Nipargin) e propilparabeno (Nipazol) e o estabilizador de emuls?es, hidrocol?ide Xanthan Gum (goma xantana). Da casca do vegetal Punica granatum foi obtido extrato aquoso, e em seguida liofilizado. Foram definidos tr?s percentuais (0,3%, 0,5% e 1,0%) de extrato liofilizado em cada sistema. Essas formula??es foram caracterizadas atrav?s das t?cnicas de medida pH, viscosidade, condutividade, estabilidade acelerada e estabilidade t?rmica. Antes de adicionar o bioativo foi empregada a espectrofotometria no Ultravioleta para quantificar o bioativo presente no p? da casca da rom?. A formula??es com a adi??o do extrato tiveram seus valores de pH diminu?dos e viscosidade aumentada quanto maior foi o percentual do extrato no meio. Isso se deve por que o extrato apresenta fen?is de car?ter ?cido e a quantidade maior de extrato no meio precisa de mais mol?culas para hidratar esse extrato, tornando o meio com menos ?gua livre. / Emulsions are formulations used in different industry segments, mainly in the food,
pharmaceutical, cosmetic industry. The Linum usitatissimum and Sesamun indicum oils have
anti-inflammatory properties, due to the presence of essential fatty acids and they can be applied
in the preparation of drugs for the pharmacological potential. The aim of this study was to use
the dried extract of Punica granatum to incorporate in the macro emulsified system, as active
one, for herbal application. The emulsions were obtained from ternary diagram using distilled
water as aqueous phase and Glycine max lecithin as surfactant. In preparing the two diagrams
in the oil phase, the Linum usitatissimum and Sesamun indicum oils were used. In the diagrams
obtained in the region of emulsion type O / A, they were selected six systems (three in the
diagram) due to presenting greater stability. Preservatives added to systems were
methylparaben (Nipagin?) and propylparaben (Nipazol?) and stabilizer of emulsions,
hydrocolloid xanthan gum (xanthan gum). From peel Punica granatum plant, was obtained the
aqueous extract, and then lyophilized. They have been defined three percentage (0.3%, 0.5%
and 1.0%) of lyophilized extract in each system. These formulations were characterized by
measuring pH techniques, viscosity, conductivity, accelerated stability and thermal stability.
Before adding the bioactive was used the spectrophotometry in the ultravioleta and infrared to
quantify the bioactive present in the pomegranate peel powder, and was also applied to the
optical microscopy technique to determine the droplet size. The formulations with the addition
of the dry extract of Punica granatum had their pH values decreased and viscosity increased as
higher was the percentage of the extract in the medium. This happens because the extract has
phenols of acid character and the largest amount of extract in the middle needs more molecules
to hydrate this formulation, making the middle less free water.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufrn.br:123456789/21563 |
| Date | 30 June 2016 |
| Creators | Abrantes, Antonio C?sar Nobre de |
| Contributors | 00738841463, http://lattes.cnpq.br/4789528535524269, Silva J?nior, Arnobio Antonio da, 00840406452, http://lattes.cnpq.br/2593509584288129, Damasceno, Bolivar Ponciano Goulart de Lima, 91616751487, http://lattes.cnpq.br/6407334157973308, Lopes, Ver?nica da Silva, 10655590463, http://lattes.cnpq.br/2401781753979100, Wanderley Neto, Alcides de Oliveira |
| Publisher | PROGRAMA DE P?S-GRADUA??O EM QU?MICA, UFRN, Brasil |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Source | reponame:Repositório Institucional da UFRN, instname:Universidade Federal do Rio Grande do Norte, instacron:UFRN |
| Rights | info:eu-repo/semantics/openAccess |
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