751 resultados para Bebidas protéicas


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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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O objetivo deste trabalho foi avaliar a validade relativa dos indicadores de consumo de alimentos e bebidas obtidos pelo sistema de vigilância por entrevista telefônica (VIGITEL). Foi avaliada uma amostra aleatória (n = 100) da amostra total de aproximadamente dois mil adultos, estudada pelo sistema, em 2009, em Belém, Pará, Brasil. Os indicadores avaliados foram fatores de proteção (consumo adequado de frutas, legumes e verduras) e de risco (consumo de gordura saturada, refrigerante e bebidas alcoólicas) para doenças crônicas não transmissíveis. Compararam-se os resultados obtidos a partir de entrevista telefônica e de três recordatórios de 24 horas (padrão de referência). O padrão de referência evidenciou subestimação na frequência dos indicadores, à exceção de refrigerantes e bebidas alcoólicas. As médias das frequências do consumo foram, em geral, maiores no grupo exposto (entrevistados pelo VIGITEL). Não se pode concluir que o VIGITEL não seja um bom indicador de consumo, pois o padrão de referência também apresenta limitações, portanto o uso daquele como instrumento de monitoramento é justificável.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Contamination of Brazilian sugar-cane rum by ethyl carbamate, a potentially carcinogenic substance, is considered an obstacle to export of the beverage. Copper is involved in ethyl-carbamate-formation reactions, and the replacement thereof by stainless steel in distillation equipment, with the aim of preventing the formation of said compound, results in a beverage of poor sensory quality owing to the presence of dimethyl sulphide. A reduction in the concentration of sulphurated compounds in the final product may be achieved by the placing of a copper device (Patent No. 8206688) inside the dome of a stainless-steel alembic. It is therefore appropriate to verify the efficiency of using other forms of catalysts that, in addition to reducing ethyl-carbamate levels, are able, likewise, to trigger other catalytic actions that allow the production of a distillate of good sensory quality. Silver is the noble metal most used in industry and, on account of the catalytic properties thereof, it is ideal for use as a catalyst in oxidation reactions. The subject matter of the present invention comprises a method involving the use of silver in the distillation of alcoholic beverages, such as sugar-cane rum, which reduces ethyl-carbamate contamination of the end-product.

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This paper presents a case study in a largebeverage company,which suffers fromlack of inputs. Through 5 Whys analysis,it was possible to find the root causes of the problem: the bad fleet sizing deliveriesand low capacityof storage of inputs. Through the use of simulation, it was possible to determine theactual fleet required, and it was alsoquantified thespace required for thestorage ofloads.Based on these results andconsidering the cost, it waspossible todetermine which the most effective solutions toreducing the initialproblem: the increase of storage capacity, considered the best option, even demanding time, or the increase of the fleet, considered a stopgap measure to partially solve the problem until the first solution is finalized

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Lately, the acceptability of fermented dairy beverages has been increased, due to the nutritional benefits, the practical consumption and the low cost of product for the manufacturers, and consequently for final market price to the consumers. During the manufacturing process, these products can be susceptible to microbiological contamination. The present study investigated the contaminant microbiota in fermented dairy beverages produced by small- and medium-sized companies, by means of analyses on moulds and yeasts counting, determination of the Most Probable Number (MPN) of total and thermo tolerant coliforms, Escherichia coli and Salmonella spp. detection, and determination of pH value. In spite of the absence of Salmonella spp., a high counts of yeasts and moulds were found, and E. coli was detected in five samples (16.67 %); and the sample were classified as “products in poor sanitary conditions”, because they showed thermo-tolerant coliforms counting higher than the standard established by the legislation in force. Therefore, quality programs such as Good Manufacturing Practices (GMP) and Hazard Analysis and Critical Control Points (HACCP) should be employed to prevent any contamination risk, in order to provide safe products to consumers.

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Surveys on alcohol use show that people usually begin using this substance as adolescents. In this stage of development, it is common for some people to show depressive symptoms. The combination of alcohol and depressive symptoms may affect students’ cognitive and school development. This study aims at identifying and discussing on the relationship between alcohol use in adolescents, depression and the consequences on cognitive development. Participants were 127 students of two schools in the state of São Paulo, who answered the AUDIT, the BDI and Tests for Operatory Development. Results show that excessive alcohol use is significant, but we did not observe a relationship between alcohol use, depressive symptoms and low cognitive performance.

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Neste trabalho, propomos um modelo integrado de dimensionamento de lotes e programação da produção monomáquina para uma fábrica de refrigerantes de pequeno porte. As decisões de dimensionamento foram baseadas em um modelo encontrado na literatura e as decisões de sequenciamento foram modeladas utilizando restrições do problema do caixeiro viajante assimétrico. Para a validação do modelo proposto foram feitos testes computacionais com exemplares gerados aleatoriamente, e também exemplares baseados em dados reais obtidos da literatura. Os exemplares foram resolvidos pelo método Branch-and-Cut incluído no pacote computacional CPLEX 10.0. Os resultados mostram que o modelo proposto representa o planejamento da produção em fábricas de bebidas monomáquinas e que, em algumas situações, produz resultados melhores que o modelo da literatura.

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As bebidas lácteas fermentadas são produtos formulados contendo iogurte, soro de leite, polpa de frutas, além de outras matérias-primas e aditivos permitidos. O produto final deve apresentar os micro-organismos de forma viável e abundante. Sua popularidade vem aumentando significativamente, principalmente devido aos seus benefícios nutricionais, ao menor custo do produto para o fabricante, à redução do preço final para o consumidor e por apresentar baixa viscosidade, sendo consumida como bebida suave e refrescante. Apesar do processo de fabricação ser considerado simples, utilizando-se principalmente os equipamentos disponíveis nas indústrias lácteas, estes produtos podem estar sujeitos à contaminação microbiana, quando não atendidas as condições elementares de higiene e sanidade. Tal contaminação pode ser representada por leveduras, coliformes totais, termotolerantes e bolores. Considerando os aspectos mencionados, o objetivo deste trabalho foi avaliar a qualidade microbiológica de bebidas lácteas fermentadas, com adição de polpas de frutas, comercializadas na região de São José do Rio Preto û SP, por meio das seguintes análises microbiológicas: contagem de bolores e leveduras, determinação do Número Mais Provável (NMP) de coliformes totais, temotolerantes e pesquisa de Escherichia coli e de Salmonella spp. Foi ainda efetuada a determinação do pH eletrométrico. Após a obtenção dos resultados verificou-se que 20% das amostras analisadas não atenderam ao padrão microbiológico estabelecido na legislação vigente, para coliforme termotolerentes, evidenciando positividade na pesquisa de Escherichia coli, sendo por este motivo, considerados como produtos em condições sanitárias insatisfatórias, portanto, produtos impróprios para o consumo humano.(AU)

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This work approaches the main methods of plastic deformation of metals, with a focus on the deep drawing process. The mechanical properties were evaluated with the tension tests. It is presented the aluminum alloys designation, followed by applying heat treatments and the designation of tempers. The manufacture of aluminum beverage cans is described step by step, in general terms. The main objective is to analyze how different cans background geometries have great influence on the dome reversal. To be able to achieve the goal it was necessary to use cans of different manufacturers, which were used in buckle tests to obtain the reversal pressures, tensile tests and geometric analysis. Finally empirical equations were obtained correlating these variables, and it was observed that the conformation of reforming change significantly it's behavior

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The objective of this study was to analyze intergenerational patterns of alcohol related violence (ARV). An intentional sample comprising 42 family members was selected according to a set of criteria, including history of ARV. A genogram based on anonymous semi-structured taped interviews was created. The Content Analysis pointed to different patterns of repetition of intergenerational ARV. The most recurrent ones were those of lineal consanguinity (father/son) and through marriage. We observed similarities over the generations of each family as regards the pattern of alcohol consumption; the type of violence; the family reaction and the family life cycle in which ARV was intensified. Our results confirm the intergenerational reproduction of ARV. In conclusion, it is important to create intervention strategies to prevent intergenerational repetition of this association of behaviors.

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The objective of this work was to calculate the energetic values in passion fruit commercial beverages (whole juices, reconstituted juices, tropical juices, and nectars) by their centesimal composition. Then, the energetic values were compared to the caloric values as described on the nutritional facts from the beverageslabels. Analyses of moisture, protein, lipids, ashes, and carbohydrates were done in 25 commercialbeverages samples. In order to calculate the energetic value of each sample, the following conversion factors were used: 4 kcal.g-1 for carbohydrates, 4 kcal.g-1 for proteins and 9 kcal.g-1 for lipids. To allow the comparison of the results, the energetic values printed on the labels were converted into kcal.100g-1 usingthe beverages density. Overall, the commercial beverages calculated energetic values were similar to the nutritional facts.