Proteínas do soro do leite: composição, propriedades nutricionais, aplicações no esporte e benefícios para a saúde humana

Haraguchi, Fabiano Kenji; Abreu, Wilson César de; Paula, Heberth de

doi:10.1590/s1415-52732006000400007

Cited by 90 publications

(91 citation statements)

References 40 publications

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“…The lack or reduction of insulin action, a characteristic of diabetic individuals, causes serious alterations in the metabolism of carbohydrates, proteins and lipids, leading to loss or reduction of body weight 35 . The supplemented group of diabetic animals showed significantly greater body weight gain than the diabetic control animals, with levels closer to those found in the normal animals.…”

Section: Discussionmentioning

confidence: 99%

“…The supplemented group of diabetic animals showed significantly greater body weight gain than the diabetic control animals, with levels closer to those found in the normal animals. Studies have shown that weight increase in individuals who consume whey proteins is associated with increased muscle mass which, in turn, depends on the profile of amino acids and proteins in these supplements 35 . Increase in weight gain cannot be explained by the data on the weight of organs and tissues that were assessed in this study, nor by the lower lipase activity or increase in lipogenesis and deposits of retroperitoneal adipose tissues, as these deposits were significantly lower in the treated diabetic animals.…”

Section: Discussionmentioning

confidence: 99%

“…Increase in weight gain cannot be explained by the data on the weight of organs and tissues that were assessed in this study, nor by the lower lipase activity or increase in lipogenesis and deposits of retroperitoneal adipose tissues, as these deposits were significantly lower in the treated diabetic animals. Studies have shown that supplementation with amino acids, particularly BCAA, affect metabolic processes that result in the reduction of body fat 35 . In type 1 diabetes, body fat reduction may, however, not be beneficial and the effect should be further studied.…”

Section: Discussionmentioning

confidence: 99%

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Functional properties and sensory testing of whey protein concentrate sweetened with rebaudioside A

et al. 2016

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Objective: To develop a natural dietary product with functional benefits for diabetic patients. Whey protein concentrate was obtained through the separation membrane processes and sweetened with rebaudioside A. This product was submitted to sensory testing in humans and used to evaluate possible functional properties in male Wistar rats models with diabetesMellitus induced by streptozotocin. Methods: Two concentrates were produced. Only the second showed protein content of 74.3 and 17.3% of lactose was used as supplementation in induced diabetic rats. This concentrate was obtained from the concentration by reverse osmosis system (180 k Daltons), followed by nanofiltration in a 500 k Daltons membrane and spray drying at 5.0% solution of the first concentrate developed. The concentrate was sweetened with rebaudioside A (rebaudioside A 26 mg/100 g concentrate). All procedures were performed at the Center for Studies in Natural Products, at the Universidade Estadual de Maringá. Three experimental groups were established (n=6): two groups of diabetic animals, one control group and one supplemented group; and a control group of normal mice (non-diabetic). The supplemented group received concentrates sweetened with rebaudioside A in a dose of 100 mg/kg bw/day by an esophageal tube for 35 days. Fasting, the fed state and body weight were assessed weekly for all groups. At the end of the supplementation period, the following were analyzed: plasma parameters of glucose, total cholesterol, triglycerides and fructosamine; the serum levels of aspartate aminotransferase and alanine aminotransferase, water and food intake. Organs and tissues were removed and weighed to assess mass and anatomical changes. Results: The product presented 74% of proteins and 17% of lactose and showed satisfactory sensory testing by the addition of 26 mg of rebaudioside A/100 g concentrate. Supplementation of the product reduced hyperglycemia, plasma fructosamine levels, triglycerides and total cholesterol, and improved body weight gain of streptozotocin-induced diabetic rats. Conclusion: Whey protein concentrate with substantial content of protein (above 70%) and low lactose was obtained through the membrane separation processes. The addition of rebaudioside A at the concentration of 26 mg/100 g rebaudioside A proved to be as sweet as sucralose with satisfactory sensory testing, which indicates that this is a non-caloric natural sweetener that can replace artificial sweeteners. The product (whey protein concentrate sweetened with rebaudioside A) presented important functional properties and reduced the metabolic disorders caused by the syndrome.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Functional properties and sensory testing of whey protein concentrate sweetened with rebaudioside A

et al. 2016

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“…Estudos envolvendo a análise de seus compostos bioativos evidenciam benefícios para a saúde humana. Destacamse, especialmente, seus efeitos hipotensivo, antioxidante e hipocolesterolêmico (HARAGUCHI et al, 2006). Portanto, torna-se relevante o estudo aprofundado dos aspectos sensoriais destas novas formulações, visando à adequada aceitação pelos consumidores finais.…”

Section: Na Américaunclassified

Effect of addition of whey cheese in dulce de leche formulations: sensory and physicochemical analysis

Santos¹,

Santos²,

Rodrigues³

et al. 2017

Ambiência

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ResumoObjetivou-se verificar a aceitabilidade sensorial de formulações de doce de leite elaboradas com soro de queijo (SQ) tipo minas frescal in natura e determinar a composição físico-química da formulação padrão e daquela com maior nível de adição de SQ e aceitação similar. Foram elaboradas cinco formulações de doce de leite sendo, padrão (0%) e as demais contendo 45, 50, 55 e 60% de SQ. Nas análises físico-químicas foram determinados o teor de umidade, cinzas, proteínas, lipídios, carboidratos e valor calórico. Os resultados sensoriais mostraram que as formulações não apresentaram diferença estatística para os atributos aparência, aroma, textura e cor. Entretanto, a adição de 60% de soro de queijo apresentou menor aceitação para sabor, aceitação global e intenção de compra. Verificou-se através da análise físico-química das amostras padrão e com 55% de SQ que teores superiores de cinzas, carboidratos e calorias, foram encontrados na formulação com SQ, entretanto a padrão apresentou maiores quantidades de umidade, proteínas e lipídios. A elaboração dos produtos comprovou que o nível de adição de até 55% de SQ em doces de leite foi o mais aceito pelos provadores dentre aqueles contendo este ingrediente, obtendo-se aceitação sensorial semelhante ao produto padrão, com boas expectativas de comercialização.

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“…As proteínas do soro do leite, conhecidas como whey proteins, são obtidas após a extração da caseína do leite desnatado. Possuem alto valor nutricional, alto teor de aminoácidos essenciais e de cadeia ramificada, alto teor de cálcio e peptídeos bioativos do soro 17 . Seus efeitos biológicos resultam do aumento da síntese proteica muscular, redução da gordura corporal em função do seu alto teor de cálcio e alta concentração de glutationa, diminuindo a ação dos agentes oxidantes nos músculos esqueléticos e aumento da concentração de insulina plasmática favorecendo a captação de aminoácidos para o interior da célula muscular 17,18 .…”

Section: Proteínasunclassified

Dietary supplement use by adolescents

Alves¹,

Lima²

2009

J Pediatr (Rio J)

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Objective: To review the use, benefits and adverse effects of the main dietary supplements consumed by adolescents. Sources:The literature review was performed using MEDLINE and LILACS databases (1997-2008). We analyzed 377 articles, and 52 of them were selected as references. Summary of the findings:Consumption of dietary supplements is widely spread among adolescents. This habit has often been detected in pediatric and adolescent medicine clinics. Most of the time, the use of supplements is motivated by the search of the "ideal body." Other reasons for this practice are: attempt to compensate for an inadequate diet, increase immunity, prevent diseases, improve athletic performance and overcome their own athletic limits. The dietary supplements most frequently used and for which there is little evidence of beneficial effects in healthy adolescents are: proteins, amino acids, beta-hydroxy-betamethylbutyrate, microelements, carnitine, creatine, vitamins, caffeine, and bicarbonate. This dietary supplementation may be beneficial for competitive athletes who do not have a balanced diet after a specific dietary deficiency has been detected. Conclusion:The unrestrained consumption of dietary supplements should be avoided, since, besides the lack of evidence that such practice will lead to improvement of performance, it exposes adolescents to several adverse effects. Balanced nutrition, with intake of essential energy and nutrients is usually enough to achieve good athletic performance. The use of dietary supplements must be allowed only for selected cases in which specific nutritional deficiencies are identified. J Pediatr (Rio J). 2009;85(4):287-294:Dietary supplements, exercise, sports, puberty. ResumoObjetivo: Revisar crititcamente o uso, benefícios e efeitos adversos dos principais suplementos alimentares utilizados por adolescentes. Fontes dos dados:A pesquisa bibliográfica, realizada nos últimos 10 anos, utilizou os bancos de dados MEDLINE e LILACS. Foram examinados 377 artigos, sendo selecionados 52. Síntese dos dados:O consumo de suplementos dietéticos é amplamente difundido entre adolescentes. Tal fato é constatado, com frequência, nos consultórios de pediatria e hebeatria. Na maioria das vezes ele ocorre sem uma necessidade específica, sendo motivado pela busca do corpo ideal. Outros motivos para essa suplementação são: compensar dieta inadequada, aumentar imunidade, prevenir doenças, melhorar o desempenho competitivo e superar os próprios limites. Os suplementos alimentares mais utilizados e discutidos nesse artigo e para os quais existem poucas evidências de um efeito benéfico de sua utilização por adolescentes saudáveis são: proteínas, aminoácidos, betahidroxibetametilbutirato, microelementos, carnitina, creatina, vitaminas, cafeína e bicarbonato.Conclusão: O uso irrestrito de suplementos dietéticos deve ser desaconselhado, uma vez que expõe o adolescente a vários efeitos adversos, além da falta de evidência de que tal prática levará a melhora no desempenho. Uma nutrição balanceada, com aquisição...

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Proteínas do soro do leite: composição, propriedades nutricionais, aplicações no esporte e benefícios para a saúde humana

Cited by 90 publications

References 40 publications

Functional properties and sensory testing of whey protein concentrate sweetened with rebaudioside A

Functional properties and sensory testing of whey protein concentrate sweetened with rebaudioside A

Effect of addition of whey cheese in dulce de leche formulations: sensory and physicochemical analysis

Dietary supplement use by adolescents

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