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Praktické ověření technologie chovu kapra obecného se zvýšeným obsahem omega 3 mastných kyselin / Practical verification of rearing of common carp with high levels of omega 3 fatty acidsZROSTLÍK, Jakub January 2012 (has links)
The aim of my thesis was to verify the technology of rearing common carp (Cyprinius carpio) with increased levels of omega 3 fatty acids. The technology was tested in 2010 and 2011. A mixture of KP Len and cereal was used for the experiment in 2010. In 2011, the fish were divided into three groups The first group was fed a mixture of KP Len, the second a type of cereal, and the third was kept on natural feed. The technology was carried out under the conditions of the Czech fishery industry. During the entire growing period the course of growth was monitored as part of the framework of regular checks and the parameters of the quality of water was measured. The main descriptive characteristics was the fat content and composition of fatty acids. The combination of KP Len achieved a significantly higher content of PUFA than the group of fish receiving cereals in 2010 and in 2011. When comparing groups of fish fed a mixture of KP Len and those fed natural feed in 2011, no statistically significant differences in PUFA were detected. In 2010 the fish fed a mixture of KP Len reached the highest content of EPA and DHA. On the contrary, in 2011 the significantly highest content was detected in the muscle of fish kept on natural feed.
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Efeito comparativo de dietas ricas em linhaça marrom e dourada no câncer de mama / The effect of diets rich in brown and golden flaxseed on breast cancerLichtenthaler, Alice Gomes 25 August 2009 (has links)
Introdução. O câncer é responsável por uma das principais causas de morte entre mulheres e nota-se um aumento na sua incidência. A linhaça tem sido preconizada como capaz de reduzir o risco do câncer de mama. Objetivo. Verificar o efeito de dietas ricas em linhaça marrom e dourada na evolução do câncer de mama. Métodos. Células cancerosas mamárias humanas (tipo MCF-7) foram inseridas no tecido subcutâneo de camundongos fêmeas nude. Quando os tumores já puderam ser claramente identificados, após 7 semanas, os animais constituíram 3 grupos, um com dieta controle e os outros dois com as variedades de linhaça marrom e dourada. As sementes de linhaça foram moídas para produção de farinhas que foram utilizadas na suplementação das dietas oferecidas aos animais. O crescimento dos tumores implantados nos animais foi acompanhado por oito semanas. Resultados. As linhaças das variedades marrom e dourada mostraram-se eficazes na diminuição da taxa de crescimento dos tumores MCF-7, não sendo verificada nenhuma diferença entre elas. Conclusão. Ambas variedades de linhaça reduziram o crescimento dos tumores. Assim, o consumo de linhaça deve ser estimulado a fim de diminuir a incidência do câncer de mama. / Introduction. Breast cancer is one of the main causes of death among women and an increase in its incidence has been noticed. There is evidence that flaxseed intake could reduce breast cancer risk. Objective. To verify the effect of brown and golden flaxseed rich diets on breast cancer. Methods. Cancer cells of the MCF-7 line were injected subcutaneously into athymic mice. After seven weeks, when tumors were already established, the animals were randomly divided in three groups: (1) control, fed on a basal diet; (2) and (3) mice fed on the basal diet supplemented with 10% brown and with 10% golden flaxseed, respectively. Flaxseed was freshly ground for production of the diets offered to the animals. Tumor growth was monitored weekly for eight weeks. Results. The two varieties of flaxseed inhibited tumor growth, without any difference between them. Conclusion. Both flaxseed varieties were able to reduce tumor growth. Therefore, their intake should be stimulated with the aim to reduce breast cancer incidence.
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Efeito comparativo de dietas ricas em linhaça marrom e dourada no câncer de mama / The effect of diets rich in brown and golden flaxseed on breast cancerAlice Gomes Lichtenthaler 25 August 2009 (has links)
Introdução. O câncer é responsável por uma das principais causas de morte entre mulheres e nota-se um aumento na sua incidência. A linhaça tem sido preconizada como capaz de reduzir o risco do câncer de mama. Objetivo. Verificar o efeito de dietas ricas em linhaça marrom e dourada na evolução do câncer de mama. Métodos. Células cancerosas mamárias humanas (tipo MCF-7) foram inseridas no tecido subcutâneo de camundongos fêmeas nude. Quando os tumores já puderam ser claramente identificados, após 7 semanas, os animais constituíram 3 grupos, um com dieta controle e os outros dois com as variedades de linhaça marrom e dourada. As sementes de linhaça foram moídas para produção de farinhas que foram utilizadas na suplementação das dietas oferecidas aos animais. O crescimento dos tumores implantados nos animais foi acompanhado por oito semanas. Resultados. As linhaças das variedades marrom e dourada mostraram-se eficazes na diminuição da taxa de crescimento dos tumores MCF-7, não sendo verificada nenhuma diferença entre elas. Conclusão. Ambas variedades de linhaça reduziram o crescimento dos tumores. Assim, o consumo de linhaça deve ser estimulado a fim de diminuir a incidência do câncer de mama. / Introduction. Breast cancer is one of the main causes of death among women and an increase in its incidence has been noticed. There is evidence that flaxseed intake could reduce breast cancer risk. Objective. To verify the effect of brown and golden flaxseed rich diets on breast cancer. Methods. Cancer cells of the MCF-7 line were injected subcutaneously into athymic mice. After seven weeks, when tumors were already established, the animals were randomly divided in three groups: (1) control, fed on a basal diet; (2) and (3) mice fed on the basal diet supplemented with 10% brown and with 10% golden flaxseed, respectively. Flaxseed was freshly ground for production of the diets offered to the animals. Tumor growth was monitored weekly for eight weeks. Results. The two varieties of flaxseed inhibited tumor growth, without any difference between them. Conclusion. Both flaxseed varieties were able to reduce tumor growth. Therefore, their intake should be stimulated with the aim to reduce breast cancer incidence.
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