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      Influência da ingestão de espirulina sobre o metabolismo de ratos exercitados Translated title: Influence of spirulina intake on metabolism of exercised rats Translated title: Influencia de ingestión de Spirulina sobre el metabolismo de ratones exercitados

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          Abstract

          No presente estudo foram comparadas as respostas metabólicas agudas ao exercício em ratos alimentados com dieta padrão e à base de espirulina. Ratos Wistar jovens foram divididos em dois grupos de acordo com a dieta: controle (C) (dieta padrão) e espirulina (S) (dieta à base de espirulina). Ao final do período experimental (cinco semanas) os animais foram submetidos a uma sessão aguda de exercício de natação (20 minutos, suportando sobrecarga equivalente a 5% do peso corporal) para avaliação do lactato sanguíneo, glicose, insulina, proteínas, albumina e ácidos graxos livres (AGL) séricos. Amostras do músculo gastrocnêmio e fígado foram utilizadas para determinação dos teores de glicogênio e lipídeos. Ambos os grupos C e S apresentaram aumento da glicemia e dos AGL, queda da insulinemia e redução dos teores de glicogênio muscular e hepático pós-exercício. A lactacidemia durante o exercício foi superior no grupo S em relação ao C. Conclui-se que o padrão de respostas ao exercício agudo dos grupos C e S foi semelhante. Contudo, a proteína da dieta pareceu influenciar aspectos do metabolismo glicídico.

          Translated abstract

          In this study we compared the metabolic response to acute exercise among rats fed on a standard diet or on a spirulina diet. Young Wistar rats were divided into two groups according to diet: control (C) (standard diet) and spirulina (S) (spirulina diet). At the end of experimental period (5 weeks) rats were submitted to an acute exercise session of swimming (20 minutes, supporting a load corresponding to 5% of body weight) to determine blood lactate and serum glucose, insulin, proteins, albumin and fatty free acids (FFA). Gastrocnemius and liver samples were used to determine glycogen and lipids tenors. Both C and S groups showed increase in serum glucose and FFA, a drop in serum insulin and a decrease of muscle and liver glycogen contents after acute exercise. Blood lactate during exercise was higher in S than C rats. It was concluded that the response pattern to acute exercise was similar for C and S rats. However, diet protein seemed to influence aspects of glucose metabolism.

          Translated abstract

          En el presente estudio fueron comparadas las respuestas metabólicas agudas al ejercicio en ratones alimentados con dieta padrón y a base de Spirulina. Ratones Wistar jovenes fueron divididos en dos grupos de acuerdo con la dieta: control (C) (dieta padrón) y Spirulina (S) (dieta a base de Spirulina). Al final del período experimental (5 semanas) los animales fueron sometidos a una sesión aguda de ejercício de natación (20 minutos, soportando sobrecarga equivalente a 5% de su peso corporal) para evaluación del lactato sanguíneo, glucosa, insulina, proteínas, albumina y ácidos grasos libres (AGL) séricos. Las muestras del músculo gastrocnemio y fígado fueron utilizadas para la determinación de los tenores de glicogeno y de lípidos. Ambos grupos C e S presentaron un aumento de la glicemia y de los AGL, mantenimiento de la insulinemia y reducción de los tenores de glicogeno muscular y hepático post-ejercicio. La lactacidemia durante el ejercicio fué superior en el grupo S en relación a C. Se concluye que el padrón de respuestas al ejercicio agudo de los grupos C e S fué semejante. Con todo, la proteína de la dieta parece influir en los aspectos del metabolismo glicídico.

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          Most cited references55

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          Microalgae as food and supplement.

          R Kay (1991)
          The microalgae Chlorella spp., Dunaliella spp., and Scenedesmus spp., and the cyanobacteria Spirulina spp., and Aphanizomenon flos-aquae, are being used as nutrient-dense foods and sources of fine chemicals. They have significant amounts of lipid, protein, chlorophyll, carotenoids, vitamins, minerals, and unique pigments. They may also have potent probiotic compounds that enhance health. Their historical and current use are reviewed in this article.
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            Fisiologia do exercício: energia, nutrição e desempenho humano

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              Effects of Spirulina platensis on growth performance of weanling pigs

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbme
                Revista Brasileira de Medicina do Esporte
                Rev Bras Med Esporte
                Sociedade Brasileira de Medicina do Exercício e do Esporte (São Paulo )
                1806-9940
                August 2004
                : 10
                : 4
                : 258-263
                Affiliations
                [1 ] Universidade Estadual Paulista Brazil
                Article
                S1517-86922004000400003
                10.1590/S1517-86922004000400003
                6a1ea238-8b6a-4c9c-a4aa-52d1d5b55a71

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

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1517-8692&lng=en
                Categories
                PHYSIOLOGY
                SPORT SCIENCES

                Sports medicine,Anatomy & Physiology
                Spirulina,Metabolism,Exercise,Rats,Body growth,Metabolismo,Ejercicio,Ratones,Crecimiento corporal,Espirulina,Exercício,Ratos,Crescimento corporal

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