ResumoA crescente demanda por alimentos benéficos à saúde é acompanhada pela busca por processos que gerem baixo volume de resíduos sólidos ou que proporcionem seu reaproveitamento. Este trabalho propõe a elaboração e a avaliação da aceitabilidade de biscoitos enriquecidos com aveia e farinha de bagaço de uva. A farinha de bagaço de uva, produzida como alternativa de utilização do grande volume deste resíduo gerado pela indústria vitivinícola, representa uma ótima fonte de fibras e antioxidantes naturais de baixo custo. Esta foi obtida por meio da moagem do bagaço seco e posterior padronização granulométrica. A farinha integral de aveia, fonte de fibras alimentares, foi obtida pela moagem da aveia em flocos. Para a elaboração dos biscoitos, foram utilizadas três formulações com diferentes percentuais de substituição da farinha de trigo por farinha integral de aveia e farinha de bagaço de uva, as quais foram denominadas formulações A, B e C, com níveis de substituição de 30%, 40% e 50%, respectivamente. O experimento foi realizado em delineamento inteiramente casualizado, os resultados submetidos à análise de variância e as médias comparadas pelo teste de Tukey a 5% de significância. Os resultados obtidos demonstraram que os biscoitos elaborados apresentaram propriedades sensoriais aceitáveis, sendo os percentuais de substituição utilizados neste estudo aceitos pelos julgadores, dentre todos os atributos avaliados. O uso da aveia fornece um incremento de fibra alimentar e a farinha de bagaço de uva é um ingrediente alternativo para o reaproveitamento de um produto normalmente descartado. Palavras-chave: Vitis vinifera; Avena sativa; farinhas mistas; resíduo. SummaryThe growing demand for healthy food is accompanied by a search for processes that generate low volumes of solid waste, or which provide for its reuse. This paper proposes the development and evaluation of the acceptability of cookies enriched with oat and grape pomace flour. The grape pomace flour, produced as an alternative to the use of large volumes of waste generated by the wine industry, represents a great source of fibre and natural antioxidants at low cost. It was obtained by grinding the dry pomace and subsequent granulometric standardization. The oat flour, a source of food fibres, was obtained by grinding oat flakes. To prepare the cookies, three formulations with different percentages of replacement of the wheat flour by wholemeal oat flour and grape pomace flour were used, defined as Formulations A, B and C with 30%, 40% and 50% replacement respectively. The experiment was carried out using a completely randomized design, the results submitted to an analysis of variance and the means compared by the Tukey test at 5% significance. The results demonstrated that the cookies presented acceptable sensory properties and the percentage of substitution used in this study was accepted by the judges for all the attributes evaluated. The use of oat provided an increase in food fibre and the grape pomace flour was an alternative ingredient for the reus...
Ice cream is a nutritious food because it contains ingredients responsible for supplying energy to the body. Soy has a high nutritional value and functional properties which make it to be an alternative ingredient to replace cow's milk. The purpose of this paper was to formulate an ice cream with hydrosoluble soy extract and submitted to a sensory evaluation. Two formulations of ice cream were prepared: one soy-based and the other with cow's milk (control). Both ice creams were submitted to a sensory evaluation in order to evaluate the appearance, flavor and texture attributes, for this examination it was used the hedonic scale of nine points. For the appearance attribute, the soy-based ice cream had an average score of 7.6, which means between "liked moderately and liked very much", and cow's milk ice cream had an average score of 8.1, "liked very much". For the texture attribute, the soy-based ice cream reached an average of 7.4, meaning "like moderately" and "liked very much" and the cow´s milk ice cream obtained an average of 8.2, meaning "liked very much". The flavor attribute had an average score of 6.1, meaning "liked slightly" and 8.2 "liked very much" for the soy-based ice cream and the cow´s milk ice cream respectively. When the assessors were asked about their purchase intention, 68% said that certainly they would buy the control sample and 32% definitely or probably would buy the soy-based ice cream. The sensory parameters evaluated showed that the soy -based ice cream had a good acceptance.
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