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Master's Dissertation
DOI
10.11606/D.74.2014.tde-04092015-164708
Document
Author
Full name
Kátia Helena Terribille Borrajo
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Pirassununga, 2014
Supervisor
Committee
Trindade, Marco Antonio (President)
Petrus, Rodrigo Rodrigues
Yamada, Eunice Akemi
Title in Portuguese
Salsicha com adição de fibra de trigo: características tecnológicas, aceitação sensorial e avaliação da saciedade
Keywords in Portuguese
Análise sensorial
Fibra alimentar
Obesidade
Produto cárneo
Textura
Abstract in Portuguese
Um consumo elevado de fibras está associado à prevenção e tratamento da obesidade e também de doenças como câncer de cólon, diabetes, e doenças coronárias. A saciedade causada pelas fibras e a habilidade para medi-la têm sido alvo de pesquisas. A Nutriose® é uma fibra solúvel extraída do trigo e se adicionada à salsicha, que é um alimento largamente consumido, poderia ser uma alternativa para favorecer o consumo de fibras pela população. O objetivo deste estudo foi avaliar a sensação de saciedade, características sensoriais e aspectos tecnológicos de salsichas elaboradas com essa fibra. Foram produzidas duas formulações com concentrações diferentes da fibra (1,5% e 3%) e uma formulação controle (sem fibra). Foram analisados teores de proteínas, lipídios, umidade, cinzas, valor de pH, textura instrumental, cor objetiva, estabilidade de emulsão e rendimento do processo. Para avaliação sensorial foi realizado teste afetivo de aceitação utilizando escala hedônica de nove pontos, com 60 consumidores de salsicha que avaliaram sabor, textura, suculência e aceitação global. A analise de saciedade foi realizada em domicílio, com 30 avaliadores, que anotaram em uma escala visual analógica (EVA) o quanto estavam sentindo de fome antes e a cada trinta minutos após consumir as salsichas, até 120 minutos. Os resultados foram submetidos à análise de variância e testes de Tukey ao nível de 5%. Exceto para a luminosidade (L*), as salsichas não diferiram entre si (p>0,05) em nenhum dos aspectos tecnológicos. Na avaliação sensorial não foram verificadas diferenças (p>0,5) no sabor e na textura. As salsichas com adição de 3% de fibra foram mais suculentas e tiveram melhor aceitação global (p<0,05) que as com adição de 1,5%, mas ambas não diferiram da amostra controle. De um modo geral, todas as salsichas foram bem aceitas com notas próximas a 7,0. Na analise de saciedade, não foram percebidas sensações de fome/saciedade diferentes (p>0,5) entre as três amostras ao longo do tempo. Com as características tecnológicas e aceitação sensorial satisfatórias, conclui-se que salsichas com adição da Nutriose® podem representar um boa alternativa visando o aumento do consumo de fibras pela população.
Title in English
Sausage with addition of wheat fiber: technological characteristics, sensory acceptance and evaluation of satiety
Keywords in English
Dietary fiber
Meat product
Obesity
Sensory analysis
Texture
Abstract in English
A high fiber intake is associated with the prevention and treatment of obesity and also diseases such as colon cancer, diabetes, and coronary heart disease. The satiety caused by the ingestion of fibers and the ability to measure it have been the target of research. The Nutriose® is a soluble fiber extracted from wheat and if added to the sausage, which is a widely eaten food, could represent an alternative to favor the fiber consumption by the population. The aim of this study was to evaluate the feeling of satiety, sensory characteristics and technological aspects of sausages produced with this fiber. Two formulations with different fiber concentrations (1.5% and 3%) and a control formulation (without fibers) were produced. Protein, lipid, moisture, ash, pH value, instrumental texture, objective color, emulsion stability and process yield were analyzed. For sensory evaluation, an affective acceptance test using a nine point hedonic scale was carried out, in which 60 consumers rated sausage flavor, texture, juiciness and overall acceptance. The analysis of satiety was held in the home, and the judges marked on a visual analogic scale (VAS) how much they were feeling hungry before and every thirty minutes after consuming the sausages, until 120 minutes. The results were submitted to ANOVA and Tukey's test at 5%. Except for lightness (L*), the sausages did not differ (p> 0.05) in any of the technological aspects. In sensory evaluation, no differences (p> 0.5) in flavor and texture were observed. The sausages with addition of 3% fiber were more juicy and had better overall acceptability (p <0.05) than the ones with the addition of 1.5%, but both did not differ from the control samples. In general, all sausages were well accepted, receiving scores around 7.0. In the analysis of satiety, no different feelings of hunger / satiety (p> 0.5) among the three samples over time were noted. With the satisfactory technological characteristics and sensory acceptance, one can conclude that sausages made the with addition of Nutriose® can represent a good alternative in order to increase the fiber intake by the population.
 
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