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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Efeito da proteína Beta-Conglicinina da soja no metabolismo lipídico de animais submetidos à dieta hipercolesterolêmica /

Ferreira, Ederlan de Souza. January 2008 (has links)
Orientador: Valdir Augusto Neves / Banca: Valdir Augusto Neves / Banca: Aureluce Demonte / Banca: Carmen Guilherme de Matos Vinagre / Resumo: Um grande interesse tem sido reportado às proteínas vegetais, em particular as da soja, cujo consumo tem indicado alternativa promissora para prevenção da dislipidemia e aterosclerose. Este estudo investigou o efeito da proteína - conglicinina isolada da soja, frente à resposta de um fármaco hipolipemiante (fenofibrato), em animais submetidos a uma dieta hipercolesterolêmica. Cinquenta e quatro ratos machos Wistar foram divididos em 6 grupos (n=9). O grupo controle (STD) recebeu uma dieta de caseína, e os demais hipercolesterolêmicos (HC), - conglicinina de 200mg/kg (HC+7S1), e 300mg/kg (HC+7S2), fenofibrato de 30mg/kg (HC+FF) e -conglicinina 300mg/kg associada com fenofibrato 30mg/kg (HC+7S2+FF) receberam dieta de caseína suplementada com 1% de colesterol e 0,5% de ácido cólico. Não foram observadas, nos tratamentos, alterações no crescimento, tecido adiposo, consumo e eficiência alimentar. O fenofibrato provocou aumento do peso e da concentração de triglicerídeo hepático. A proteína - conglicinina mostrou reduzir significativamente os efeitos dislipidêmicos séricos e hepáticos provocados pela dieta hipercolesterolêmica; no entanto, não foi observada adição destes efeitos quando associada ao fenofibrato. Os resultados reportados neste estudo sugerem que esta proteína tenha importante ação na regulação do metabolismo lipídico. Tais efeitos podem estar associados a peptídeos desta proteína, muito embora os mecanismos envolvidos não permaneçam completamente esclarecidos. / Abstract: A great interest has been reported about plant proteins, particularly those of soybean whose consumption has shown potential alternatives to dyslipidemia and atherosclerosis prevention. This study investigated the effect of -conglycinin protein isolated from soybean and its response to hypolipemiant drug (fenofibrate) in animals submitted to a hipercolesterolemic diet. Fifty four male Wistar rats were divided into 6 groups (n = 9). The control group (STD) had received casein diet and the others hypercholesterolemic (HC), -conglycinin of 200mg/kg (HC+7S1) and 300mg/kg (HC+7S2), fenofibrate 30mg/kg (HC+FF) and -conglycinin of 300mg/kg associated to fenofibrate of 30mg/kg (HC+7S2+FF) received casein diet supplemented with 1% of cholesterol and 0.5% of cholic acid. There was no change in growth, adipose tissue, consumption and efficiency food for all treatments. The fenofibrate showed increase in weight and hepatic triglycerides. The -conglycinin protein had showed significantly reduce the effects in dyslipidemic serum and liver caused by hypercholesterolemic diet, however; it was not observed some additional effects when associated with fenofibrate. The results reported in this study suggest that the protein has an important action in the regulation of lipid metabolism. These ones may be associated with their peptides although the mechanisms involved are not already completely understood. / Mestre

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