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      Impacto hormonal e inflamatório de diferentes composições dietéticas: ênfase em padrões alimentares e fatores dietéticos específicos Translated title: Hormonal and inflammatory impact of different dietetic composition: emphasis on dietary patterns and specific dietary factors

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          Abstract

          A adoção de um padrão alimentar saudável, caracterizado pelo consumo de frutas, hortaliças, carnes magras, lácteos desnatados, frutos secos e moderada ingestão de óleos vegetais e álcool, é um fator determinante para um menor risco de doenças crônicas como a obesidade, a síndrome metabólica e as doenças cardiovasculares. Esse efeito benéfico pode ser explicado, pelo menos em parte, por seu papel modulador sobre biomarcadores da sensibilidade insulínica, da aterogênese, bem como os de inflamação e de função endotelial. Por outra parte, a ingestão de componentes específicos da dieta como os ácidos graxos insaturados (oleico e alfa-linolênico) e os micronutrientes com propriedades antioxidantes (vitaminas A, E e C; selênio e zinco) vêm sendo discutida, em razão de sua potencial ação protetora perante a ocorrência das doenças crônicas e possíveis benefícios na regulação hormonal, metabólica e inflamatória que esses fatores dietéticos podem proporcionar dentro de um tratamento nutricional para a obesidade e a síndrome metabólica.

          Translated abstract

          Healthy dietary pattern, characterized by the consumption of fruits, vegetables, white meats, skim dairy products, nuts and moderate intake of vegetable oils and alcohol, is an important factor for a lower risk of chronic disease such as obesity, metabolic syndrome and cardiovascular disease. This beneficial effect can be explained, at least partially, by its modulating role on biomarkers of insulin sensitivity and atherosclerosis as well as of inflammation and endothelial function. On the other hand, the intake of specific dietary factors, such as unsaturated fatty acids (oleic and alpha-linolenic) and micronutrients with antioxidant properties (vitamins A, E and C; selenium, zinc) has been discussed, due to its potential protector action due to chronic disease occurrence and its possible profits in hormonal, metabolic and inflammatory regulations that these dietetic factors can provide within a nutritional treatment to obesity and metabolic syndrome.

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          Most cited references77

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          Obesity: preventing and managing the global epidemic

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            Food-chain selenium and human health: emphasis on intake.

            Following the publication of the landmark trial of Clark et al. in 1996 that appeared to show that Se could reduce the risk of cancer, awareness of the importance of Se to human health has markedly increased. As a result, there is now much more aggressive marketing of Se supplements and functional foods, even in situations where additional consumption of Se is inappropriate. The present review addresses how Se gets into the food chain, the wide variability in Se content of foods and the very different levels of intake between countries and regions. Though it is clear that there are adverse consequences for health of both deficient and excessive intake, health effects at intermediate levels of intake are less certain. Thus it is difficult to define optimal intake which depends on a large number of factors, such as which functions of Se are most relevant to a particular disease state, which species of Se is most prominent in the Se source, which health condition is being considered, the adequacy or otherwise of intake of other nutrients, the presence of additional stressors, and lastly whether the ability to make selenoproteins may be compromised. These complexities need to be understood, particularly by policy makers, in order to make informed judgments. Potential solutions for increasing Se intake, where required, include agronomic biofortification and genetic biofortification or, for individuals, increased intake of naturally Se-rich foods, functional foods or supplements. The difficulties of balancing the risks and benefits in relation to Se intake are highlighted.
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              The metabolic syndrome and antioxidant concentrations: findings from the Third National Health and Nutrition Examination Survey.

              Oxidative stress may play a role in the pathophysiology of diabetes and cardiovascular disease, but little is known about antioxidant status among individuals with the metabolic syndrome who are at high risk for developing these conditions. Using data from the Third National Health and Nutrition Examination Survey (1988-1994), we compared circulating concentrations of vitamins A, C, and E; retinyl esters; five carotenoids; and selenium in 8,808 U.S. adults aged > or = 20 years with and without the metabolic syndrome. After adjusting for age, sex, race or ethnicity, education, smoking status, cotinine concentration, physical activity, fruit and vegetable intake, and vitamin or mineral use, participants with the metabolic syndrome had significantly lower concentrations of retinyl esters, vitamin C, and carotenoids, except lycopene. With additional adjustment for serum lipid concentrations, vitamin E concentrations were significantly lower in participants with the metabolic syndrome than those without the syndrome. Retinol concentrations were similar between the two groups. After excluding participants with diabetes, the results were very similar. Consumption of fruits and vegetables was also lower among people with the metabolic syndrome. Adults with the metabolic syndrome have suboptimal concentrations of several antioxidants, which may partially explain their increased risk for diabetes and cardiovascular disease.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abem
                Arquivos Brasileiros de Endocrinologia & Metabologia
                Arq Bras Endocrinol Metab
                Sociedade Brasileira de Endocrinologia e Metabologia (São Paulo )
                1677-9487
                July 2009
                : 53
                : 5
                : 572-581
                Affiliations
                [1 ] Universidade Federal de Viçosa Brazil
                [2 ] Universidad de Navarra España
                Article
                S0004-27302009000500010
                10.1590/S0004-27302009000500010
                1a74de1a-64e9-4215-aa56-7e037723ca53

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0004-2730&lng=en
                Categories
                ENDOCRINOLOGY & METABOLISM

                Endocrinology & Diabetes
                Food habits,inflammation,metabolic syndrome,Hábitos alimentares,micronutrientes,hormônios,inflamação,síndrome metabólica,fatty acids,micronutrients,hormones,ácidos graxos

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