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Suplementação de ração de codornas com vitaminas A, D e E sobre o desempenho e qualidade dos ovosMarques, Rafael Henrique [UNESP] 23 February 2010 (has links) (PDF)
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marques_rh_me_jabo.pdf: 872111 bytes, checksum: f6895ead9075f94d304b4015bc226911 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Objetivou-se verificar o desempenho, concentração das vitaminas na gema e qualidade dos ovos armazenados em diferentes períodos e condições, quando codornas japonesas foram submetidas a suplementações acima das exigências de vitaminas A, D e E na dieta. Foram utilizadas 192 codornas, com 6 repetições e 8 aves por parcela, distribuídas em delineamento inteiramente casualizado. Foram avaliadas características de desempenho, concentração das vitaminas, qualidade interna e externa dos ovos frescos e armazenados. O método utilizado para quantificar as vitaminas na gema foi a Cromatografia Líquida de Alta Eficiência. A suplementação das vitaminas não proporcionou melhora no desempenho produtivo e na qualidade interna e externa dos ovos, com exceção da suplementação de vitamina D que proporcionou aumento no consumo. Quanto ao armazenamento dos ovos, pode-se concluir que a suplementação de ambas as vitaminas não influenciou estatisticamente as características estudadas. Em relação ao período de armazenamento, os resultados mostraram que a qualidade dos ovos não se alterou até os 30 primeiros dias de armazenamento. A condição de armazenamento influenciou todos os parâmetros estudados, mostrando que em temperatura refrigerada os ovos apresentaram melhor estado de conservação. Quanto à incorporação das vitaminas na gema dos ovos, verificou-se aumento de 536,27% de vitamina A para o nível de 30000 UI/kg, 13,43% de vitamina D para o nível de 1500 UI/kg e 479,05% de vitamina E para o nível de 600 UI/kg, sugerindo que o valor nutricional dos ovos, relacionado à vitamina, pode ser aumentado pela suplementação na dieta das codornas / The objective of this study was to evaluate the performance, concentration of vitamins and yolk quality of eggs stored at different times and conditions when Japanese quail were subjected to A, D and E vitamins supplementation above the diets requirements. One hundred and ninety two laying quails were used, with 6 replicates of 8 birds per unit distributed in a completely randomized design. We evaluated the performance characteristics, concentration of vitamins in the yolk, internal quality (Haugh unit, yolk index, percentage of yolk and albumen), external quality (specific weight, shell thickness, shell percent) of fresh and stored eggs. Supplementation of vitamins did not improve the performance and the internal and external quality of eggs, except for supplementation of vitamin D that provided an increase in consumption. Supplementation of both vitamins did not influence statistically the characteristics studied for stored eggs. The results showed that egg quality has not changed over the first 30 days of storage. The storage temperature influenced all traits studied and the under refrigeration than those stored in environment temperature had better quality. The incorporation of vitamins into the egg yolk could be verified. There was an increase of 536.27% of vitamin A to the level of 30000 IU / kg, 13.43% of vitamin D to the level of 1500 IU / kg and 479.05% of vitamin E to the level of 600 IU / kg, suggesting that the nutritional value of eggs, related to the vitamins may be increased by supplementation in the diet of quails
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The Lack of Vitamin D Toxicity With Megadose of Daily Ergocalciferol (D2) Therapy: A Case Report and Literature ReviewStephenson, David W., Peiris, Alan N. 01 July 2009 (has links)
The maximum daily dose of vitamin D currently recommended is 2000 IU. Ergocalciferol (D2) 50,000 IU orally weekly for 8-12 weeks is often used to treat vitamin D deficient patients (25(OH) vitamin D <20 ng/mL). The lack of vitamin D toxicity after massive doses of ergocalciferol has yet to be reported in the literature. We report a case of a 56-year-old woman who received supratherapeutic doses of ergocalciferol (150,000 IU orally daily) for 28 years without toxicity. We discuss the possible mechanisms which may account for a lack of toxicity despite intake of massive daily doses of ergocalciferol in this patient.
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Cytochrome P450 enzymes in the metabolism of vitamin D₃ /Hosseinpour, Fardin, January 2002 (has links)
Diss. (sammanfattning) Uppsala : Univ., 2002. / Härtill 5 uppsatser.
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Coencapsulação de curcumina e vitamina D3 em lipossomas multilamelares / Co-encapsulation of curcumin and vitamin D3 in multilamellar liposomesChaves, Matheus Andrade 23 February 2017 (has links)
Atualmente, a demanda por alimentos com apelo funcional tem se tornado cada vez mais recorrente dentre os consumidores devido a uma crescente busca por hábitos de vida mais saudáveis. Sendo assim, o desenvolvimento de técnicas que possibilitem uma adição mais efetiva de ingredientes funcionais em matrizes alimentícias se torna uma necessidade. Essas técnicas devem possibilitar principalmente (i) a incorporação de mecanismos de liberação sustentada na formulação; (ii) o aumento da bioacessibilidade e biodisponibilidade aos ingredientes, a partir do controle da microestrutura do alimento. Esse projeto visa contemplar essas duas premissas, ao propor a encapsulação de dois bioativos hidrofóbicos, a curcumina e a vitamina D3, conhecidos pelas suas propriedades antioxidantes e nutracêuticas, em carreadores de origem lipídica, os lipossomas, estabilizando-os com diferentes hidrocoloides - goma xantana, goma guar e inulina. Os lipossomas foram produzidos por hidratação de prolipossomas e suas propriedades físico-químicas foram caracterizadas ao longo de 42 dias de armazenagem, a partir de análises de diâmetro médio hidrodinâmico, potencial zeta, colorimetria instrumental e quantificação de bioativos encapsulados. Análises que permitiram a caracterização da microestrutura das dispersões produzidas também foram realizadas, sendo elas: calorimetria diferencial de varredura (DSC), espalhamento de raios-X a baixos ângulos (SAXS) e ensaios reológicos. As análises de SAXS mostraram que lipossomas produzidos na presença de curcumina são mais estáveis que àqueles produzidos na ausência da mesma e que não houve mudança na estrutura da bicamada lipídica das vesículas após a adição de vitamina D3, mesmo quando uma alta concentração foi incorporada ao sistema (80.000 UI). Por fim, verificou-se que a coencapsulação foi possível em lipossomas multilamelares estabilizados apenas com gomas guar e xantana, resultado que pode ser comprovado pelo alto teor de retenção dos bioativos ao longo do tempo de armazenagem. / Currently, the demand for food with functional appeal has become increasingly recurrent among the consumers due to a growing search for healthier living habits. Therefore, the development of techniques that allow a more effective addition of functional ingredients in food matrices becomes a necessity. These techniques should mainly enable to (i) incorporate a sustained release mechanisms into the formulation; (ii) increase the bioaccessibility and bioavailability to these ingredients, from the control of the food microstructure. This project aims to contemplate these two premises by proposing the encapsulation of two hydrophobic bioactives, curcumin and vitamin D3, known for their antioxidant and nutraceutical properties, in liposomes - lipid carriers - stabilizing them with different hydrocolloids - xanthan gum, guar gum and inulin. Liposomes were produced by proliposomes hydration and their physicochemical properties were characterized during 42 days of storage, including analyzes of hydrodynamic average diameter, zeta potential, instrumental colorimetry and quantification of encapsulated bioactives. Analyzes that allowed the microstructure characterization of the produced dispersions were also performed, including: differential scanning calorimetry (DSC), small-angle X-ray scattering and rheological tests. The SAXS analysis showed that liposomes produced in the presence of curcumin were more stable when compared to the empty ones and that there was no change in the lipid bilayer of the vesicles after the addition of vitamin D3, even when a high concentration was incorporated into the system (80,000 IU). Finally, it was concluded that the coencapsulation was possible in multilamellar liposomes stabilized with guar and xanthan gums, a result that can be evidenced by the high content of bioactives retained throughout the storage time.
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Avaliação da instabilidade genômica, estresse oxidativo e modulação da expressão gênica pela vitamina D em modelo de ratos espontaneamente hipertensos / Evaluation of genomic instability, oxidative stress and modulation of gene expression by vitamin D in a model of spontaneously hypertensive ratsMachado, Carla da Silva 17 February 2016 (has links)
A vitamina D3 é um micronutriente obtido da dieta ou pela conversão do 7- dehidrocolesterol na epiderme após exposição à radiação UVB. A vitamina D (D2 ou D3) atua sobre o sistema renina-angiotensina-aldosterona, e sua deficiência vem sendo associada ao desenvolvimento da hipertensão. O objetivo deste estudo foi avaliar o efeito da suplementação ou deficiência de vitamina D3 em ratos espontaneamente hipertensos (SHR - spontaneously hypertensive rats) e seus controles normotensos (Wistar Kyoto - WKY) sobre a pressão arterial sistólica, danos ao DNA e cromossomos, marcadores bioquímicos do estresse oxidativo, burst oxidativo dos neutrófilos, análise de fibrose no rim e perfil de expressão de genes relacionados com a hipertensão arterial no rim e coração. Os animais foram alimentados com dieta controle (1.000 UI/kg), suplementada (10.000 UI/kg) ou deficiente (0 UI/kg) em vitamina D3 ao longo de 12 semanas. A quantificação plasmática de vitamina D3 foi avaliada pelo método ELISA (Enzyme-Linked Immunosorbent Assay) e a pressão arterial sistólica foi aferida semanalmente, por método não invasivo de pletismografia da artéria caudal. Os danos ao material genético foram avaliados pelo ensaio do cometa nas células do sangue periférico, rim e coração e pelo teste do micronúcleo nos eritrócitos da medula óssea e sangue periférico; o estresse oxidativo foi avaliado pelos ensaios de quantificação das substâncias reativas ao ácido tiobarbitúrico (TBARS - Thiobarbituric Acid Reactive Substances) e glutationa (GSH) no rim e coração; o burst oxidativo em neutrófilos do sangue periférico; a quantificação de fibrose por histologia renal e a expressão gênica por RT2 ProfilerTM PCR Arrays no rim e coração. Os resultados obtidos com os ratos SHR mostraram que a suplementação com vitamina D3 reduziu a pressão arterial sistólica, não induziu danos ao DNA e aos cromossomos, estresse oxidativo ou fibrose renal, e regulou a expressão de quatro genes envolvidos com a hipertensão arterial no rim (Ace, Agt, Ren e Edn1) e cinco genes no coração (Ace, Avp, Ephx2, Mylk3 e Ren). A deficiência em vitamina D3 aumentou a pressão arterial sistólica, os danos ao DNA e aos cromossomos, a peroxidação lipídica no rim e coração, o burst oxidativo dos neutrófilos, o percentual de fibrose no rim, e a expressão de treze genes envolvidos com a hipertensão arterial no rim (Ace, Acta2, Agt, Agtr1a, Agtr1b, Alox5, Cacna1c, Ece1, Ednra, Kcnma1, P2rx4, Scnn1g e Slc7a1) e nove genes no coração (Ace, Agtr1b, Cacna1c, Drd5, Mylk2, Nostrin, Scnn1a, Scnn1g e Sphk1). Nos animais WKY, a dieta suplementada alterou a expressão do gene Ren no rim e de dez genes no coração (Ace2, Bdkrb2, Drd3, Drd5, Itpr1, Itpr2, Itpr3, Ptgs1, Scnn1a e Scnn1g); e a dieta deficiente em vitamina D3 aumentou os danos ao DNA nos eritrócitos, induziu fibrose no rim e alterou a expressão de três genes no rim (Ace, Cps1 e Arg2) e de seis genes no coração (Ace, Cacna1c, Edrna, Ephx2, Itpr1 e Itpr2). Nos parâmetros pressão arterial sistólica, danos aos cromossomos, peroxidação lipídica e burst oxidativo, os ratos WKY alimentados com as dietas suplementada ou deficiente em vitamina D3 não diferiram em relação aos animais que receberam a dieta controle. Em conclusão, a variação da concentração de vitamina D3 da dieta alterou a fisiologia da hipertensão arterial, atuando como um anti-hipertensivo na suplementação e agravando os efeitos da hipertensão na deficiência. / Vitamin D3 is a micronutrient obtained from diet or by conversion of 7- dehydrocholesterol in the skin after exposure to UVB radiation. Vitamin D (D2 or D3) acts on the renin-angiotensin-aldosterone system, and its deficiency has been associated with hypertension development. This study aimed to evaluate the effect of vitamin D3 supplementation or deficiency in spontaneously hypertensive rats (SHR - spontaneously hypertensive rats) and their normotensive controls (Wistar Kyoto - WKY) on systolic blood pressure, DNA and chromosomes damage, biochemical markers of oxidative stress, oxidative burst in neutrophils, renal fibrosis and the gene expression profile of genes related to hypertension in kidney and heart. The rats were fed a vitamin D3 control diet (1,000 IU/kg) supplemented diet (10,000 IU/kg) or deficient diet (0 IU / kg) during 12 weeks. Vitamin D3 plasma quantification was performed by ELISA (Enzyme-Linked Immunosorbent Assay) technique and systolic blood pressure was measured weekly by noninvasive plethysmography of the caudal artery. DNA and chromosomal damage was evaluated by the comet assay in the peripheral blood, kidney and heart cells and by the micronucleus test in erythrocytes from bone marrow and peripheral blood; oxidative stress was evaluated by thiobarbituric acid reactive substances (TBARS) and glutathione (GHS) assays in kidney and heart; oxidative burst in neutrophils of peripheral blood; renal fibrosis by histology and gene expression by RT2 ProfilerTM PCR Arrays in kidney and heart. The results obtained for SHR rats showed that vitamin D3 supplementation reduced systolic blood pressure, did not induced DNA or chromosomal damage, oxidative stress or renal fibrosis, and regulated the expression of four genes involved with hypertension in the kidney (Ace, Agt, Ren and Edn1) and five genes in the heart (Ace, Avp, Ephx2, Mylk3 and Ren). Vitamin D3 deficiency increased systolic blood pressure, DNA damage in erythrocytes, lipid peroxidation in kidney and heart, oxidative burst in neutrophils and the renal fibrosis, and regulates the expression of thirteen genes involved with hypertension in kidney (Ace, Acta2, Agt, Agtr1a, Agtr1b, Alox5, Cacna1c, Ece1, Ednra, Kcnma1, P2rx4, Scnn1g and Slc7a1) and nine genes in heart (Ace, Agtr1b, Cacna1c, Drd5, Mylk2, Nostrin, Scnn1a, Scnn1g and Sphk1). In WKY rats, vitamin D3 supplementation altered the expression of Ren gene in the kidney and of ten genes in the heart (Ace2, Bdkrb2, Drd3, Drd5, Itpr1, Itpr2, Itpr3, Ptgs1, Scnn1a and Scnn1g); and vitamin D3 deficiency increased DNA damage in erythrocytes and renal fibrosis, and altered the expression of three genes in the kidney (Ace, Cps1 and Arg2) and six genes in the heart (Ace, Cacna, Ednra, Ephx2, Itpr1 and Itpr2). In the parameters systolic blood pressure, chromosomal damage, lipid peroxidation and oxidative burst, WKY rats fed with vitamin D3 supplemented or deficient diet did not differ compared to rats that received vitamin D3 control diet. In conclusion, the variation of dietary vitamin D3 levels altered the physiology of hypertension, acting as an antihypertensive in supplementation and aggravating the hypertension effects in its deficiency.
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Association between Serum Vitamin D Concentrations and Depression in the US Population: National Health and Nutrition Examination Survey, 1988-1994Milone, Cristiana 14 September 2009 (has links)
Background: The role of nutrients in mental health has recently been recognized and investigated. Vitamin D has been known to play a role in a wide range of diseases, such as bone, cardiovascular, and autoimmune diseases, and cancers. Recently, its role in cognitive function and mental health has been reported. Vitamin D receptor and hydroxylases have been mapped throughout the brain, suggesting a role for vitamin D in brain tissue. An inverse association between vitamin D and depression was observed in European epidemiologic studies. There is a paucity of data on the association between vitamin D concentrations and depression in the U.S. population. Objective: The objective of this study was to investigate the association between serum vitamin D concentrations and depression in a large, nationally representative sample survey, the third National Health and Nutrition Examination Survey 1988-1994 (NHANES III). Methods: The study sample included 7970 adults, ages 15-39 years, who completed the Diagnostic Interview Schedule for depression and had vitamin D concentrations measured. SAS and SUDAAN statistical software packages were used in data analysis. Multivariate logistic regression was used to estimate the likelihood of having depression in vitamin D deficient persons in relation to vitamin D sufficient persons, after taking several confounding variables into consideration. Significance was set at α < 0.05. Results: The prevalence of vitamin D deficiency was higher in women than in men (24 % vs. 15%), higher in African-Americans than in whites (60% vs. 10%), higher in people living in metropolitan rather than in rural areas (25% vs. 14%), and higher in subjects below the poverty threshold than in higher income subjects (29% vs. 14%). The prevalence of vitamin D deficiency increased as BMI increased. The diagnostic variables for depression did not show an association with vitamin D deficiency after adjusting for several confounding factors. However, subjects having a depressive episode at the time of the interview, were significantly more likely to exhibit vitamin D deficiencies (OR = 1.85; P = 0.0210). Conclusions: This is the first large epidemiologic study on the association between vitamin D and depression in a US representative sample survey. A significant positive association was found between subjects having an episode of depression and vitamin D deficiency. However, a causal relationship could not be established due to the cross-sectional nature of the study. Further studies need to investigate the mechanistic and causal relation between vitamin D and depression.
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Association between Serum Vitamin D Concentrations and Depression in the US Population: National Health and Nutrition Examination Survey, 1988-1994Milone, Cristiana 14 September 2009 (has links)
Background: The role of nutrients in mental health has recently been recognized and investigated. Vitamin D has been known to play a role in a wide range of diseases, such as bone, cardiovascular, and autoimmune diseases, and cancers. Recently, its role in cognitive function and mental health has been reported. Vitamin D receptor and hydroxylases have been mapped throughout the brain, suggesting a role for vitamin D in brain tissue. An inverse association between vitamin D and depression was observed in European epidemiologic studies. There is a paucity of data on the association between vitamin D concentrations and depression in the U.S. population. Objective: The objective of this study was to investigate the association between serum vitamin D concentrations and depression in a large, nationally representative sample survey, the third National Health and Nutrition Examination Survey 1988-1994 (NHANES III). Methods: The study sample included 7970 adults, ages 15-39 years, who completed the Diagnostic Interview Schedule for depression and had vitamin D concentrations measured. SAS and SUDAAN statistical software packages were used in data analysis. Multivariate logistic regression was used to estimate the likelihood of having depression in vitamin D deficient persons in relation to vitamin D sufficient persons, after taking several confounding variables into consideration. Significance was set at α < 0.05. Results: The prevalence of vitamin D deficiency was higher in women than in men (24 % vs. 15%), higher in African-Americans than in whites (60% vs. 10%), higher in people living in metropolitan rather than in rural areas (25% vs. 14%), and higher in subjects below the poverty threshold than in higher income subjects (29% vs. 14%). The prevalence of vitamin D deficiency increased as BMI increased. The diagnostic variables for depression did not show an association with vitamin D deficiency after adjusting for several confounding factors. However, subjects having a depressive episode at the time of the interview, were significantly more likely to exhibit vitamin D deficiencies (OR = 1.85; P = 0.0210). Conclusions: This is the first large epidemiologic study on the association between vitamin D and depression in a US representative sample survey. A significant positive association was found between subjects having an episode of depression and vitamin D deficiency. However, a causal relationship could not be established due to the cross-sectional nature of the study. Further studies need to investigate the mechanistic and causal relation between vitamin D and depression.
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The role of Pdia3 in vitamin D signaling in osteoblastsChen, Jiaxuan 24 August 2012 (has links)
1a,25-Dihydroxyvitamin D3 (1a,25(OH)2D3) is a major functional metabolic form of vitamin D. 1a,25(OH)2D3 has drawn increasing attention due to its functions in addition to maintaining calcium phosphate homeostasis. It directly regulates mineralization by osteoblasts, matrix production and remodeling by chondrocytes, and contraction of cardiomyocytes. 1a,25(OH)2D3 and its analogues have shown beneficial effects in treating multiple sclerosis, diabetes and various types of cancer. In order to maximize the pharmaceutical potential of 1a,25(OH)2D3, a better understanding its cell signaling pathway is necessary. 1a,25(OH)2D3 regulates osteoblasts through both classical nuclear vitamin D receptor (nVDR) mediated genomic effects and plasma membrane receptor-mediated rapid responses. The identity of the plasma membrane receptor for 1a,25(OH)2D3 is controversial. Protein disulfide isomerase associated 3 (Pdia3) has been hypothesized as one of the putative plasma membrane receptors for 1a,25(OH)2D3. The overall goal of this thesis was to understand the general role and the molecular mechanism of Pdia3 in 1a,25(OH)2D3-initiated rapid responses, and to determine the role of Pdia3 and its dependent signaling in osteoblast biology. The results show that Pdia3 is required for membrane-mediated responses of 1a,25(OH)2D3. Moreover, both Pdia3 and nVDR are critical components of the plasma membrane receptor complex for 1a,25(OH)2D3. Finally, Pdia3 and signaling via Pdia3 regulate osteoblast differentiation and mineralization. Taken together, this study demonstrates the role of Pdia3 in rapid responses to 1a,25(OH)2D3 and osteoblast biology, reveals the unexpected complexity of the 1a,25(OH)2D3 plasma receptor complex and opens the new target, Pdia3, for pharmaceutical application and tissue engineering.
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Vitamin D3-mediated transcriptional repression : of the granulocyte-macrophage colony stimulating factor gene /Towers, Terri L. January 1998 (has links)
Thesis (Ph. D.)--Cornell University, May, 1998. / Vita. Includes bibliographical references (leaves 154-181).
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Suplementação de ração de codornas com vitaminas A, D e E sobre o desempenho e qualidade dos ovos /Marques, Rafael Henrique. January 2010 (has links)
Resumo: Objetivou-se verificar o desempenho, concentração das vitaminas na gema e qualidade dos ovos armazenados em diferentes períodos e condições, quando codornas japonesas foram submetidas a suplementações acima das exigências de vitaminas A, D e E na dieta. Foram utilizadas 192 codornas, com 6 repetições e 8 aves por parcela, distribuídas em delineamento inteiramente casualizado. Foram avaliadas características de desempenho, concentração das vitaminas, qualidade interna e externa dos ovos frescos e armazenados. O método utilizado para quantificar as vitaminas na gema foi a Cromatografia Líquida de Alta Eficiência. A suplementação das vitaminas não proporcionou melhora no desempenho produtivo e na qualidade interna e externa dos ovos, com exceção da suplementação de vitamina D que proporcionou aumento no consumo. Quanto ao armazenamento dos ovos, pode-se concluir que a suplementação de ambas as vitaminas não influenciou estatisticamente as características estudadas. Em relação ao período de armazenamento, os resultados mostraram que a qualidade dos ovos não se alterou até os 30 primeiros dias de armazenamento. A condição de armazenamento influenciou todos os parâmetros estudados, mostrando que em temperatura refrigerada os ovos apresentaram melhor estado de conservação. Quanto à incorporação das vitaminas na gema dos ovos, verificou-se aumento de 536,27% de vitamina A para o nível de 30000 UI/kg, 13,43% de vitamina D para o nível de 1500 UI/kg e 479,05% de vitamina E para o nível de 600 UI/kg, sugerindo que o valor nutricional dos ovos, relacionado à vitamina, pode ser aumentado pela suplementação na dieta das codornas / Abstract: The objective of this study was to evaluate the performance, concentration of vitamins and yolk quality of eggs stored at different times and conditions when Japanese quail were subjected to A, D and E vitamins supplementation above the diets requirements. One hundred and ninety two laying quails were used, with 6 replicates of 8 birds per unit distributed in a completely randomized design. We evaluated the performance characteristics, concentration of vitamins in the yolk, internal quality (Haugh unit, yolk index, percentage of yolk and albumen), external quality (specific weight, shell thickness, shell percent) of fresh and stored eggs. Supplementation of vitamins did not improve the performance and the internal and external quality of eggs, except for supplementation of vitamin D that provided an increase in consumption. Supplementation of both vitamins did not influence statistically the characteristics studied for stored eggs. The results showed that egg quality has not changed over the first 30 days of storage. The storage temperature influenced all traits studied and the under refrigeration than those stored in environment temperature had better quality. The incorporation of vitamins into the egg yolk could be verified. There was an increase of 536.27% of vitamin A to the level of 30000 IU / kg, 13.43% of vitamin D to the level of 1500 IU / kg and 479.05% of vitamin E to the level of 600 IU / kg, suggesting that the nutritional value of eggs, related to the vitamins may be increased by supplementation in the diet of quails / Orientadora: Vera Maria Barbosa de Moraes / Coorientadora: Sandra Aidar de Queiroz / Banca: Otto Mack Junqueira / Banca: Antonio Carlos de Laurentiz / Mestre
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