elaboração de biscoitos de chocolate com substituição parcial da farinha de trigo por polvilho azedo e farinha de albedo de laranja chocolate biscuits preparation with partial substitution of wheat flour by fermented cassava starch and orange albedo flour

Clicks: 232
ID: 160492
2011
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Abstract
Os consumidores estão cada vez mais exigentes e preocupados com a saúde e, por consequência, exigindo produtos naturais que deverão ser seguros e promover qualidade de vida. O presente trabalho teve o objetivo de desenvolver biscoitos com farinhas mistas de polvilho azedo e farinha de albedo de laranja, utilizando um planejamento fatorial 2³, com variáveis independentes: concentração de polvilho azedo, açúcar e farinha de albedo de laranja, e variáveis respostas: as características sensoriais: aparência, aroma, textura e sabor, além da impressão global, utilizando escala hedônica estruturada de nove pontos. Os biscoitos foram avaliados também quanto às características físico-químicas. As médias obtidas para as características sensoriais estiveram na faixa que vai de cinco (não gostei nem desgostei) até sete (gostei moderadamente), não apresentando diferença significativa (P≤0,05) para todas as características sensoriais avaliadas. Dessa maneira, foi possível escolher a formulação ideal obtida de acordo com os parâmetros nutricionais, por não existir diferença sensorial significativa, que foi 35% de polvilho azedo, 100% de açúcar e 7,5% de farinha de albedo de laranja. No teste sensorial comparativo com os biscoitos comercial, padrão e otimizado, as características sensoriais aparência, sabor e textura apresentaram diferença significativa (P≤0,05). As características físico-químicas apresentaram resultados correspondentes aos padrões estabelecidos pela legislação brasileira, e o teor de fibra bruta do biscoito otimizado foi de 3,08%, assim, pode ser classificado como biscoito "fonte de fibras".
The consumers are increasingly demanding and worried about health and, consequently, requiring natural products that should be safe and that promote life quality. The present research had the objective to develop biscuits with mixed flour of fermented cassava starch and orange albedo flour, using a 2³ factorial experimental. The independent variables were: concentration of fermented cassava starch, sugar and orange albedo flour, and the responses variables were the sensory characteristic: appearance, aroma, texture and flavor, in addition to overall impression, using a nine point hedonic structure scale. The biscuits were also evaluated for physic-chemical properties. The average for sensory characteristic were in the range of five (not liked nor disliked) up to seven (like moderately), and it didn't show significant difference (P≤0.05) for all sensory characteristics assessed. Thus, it was possible to choose the optimal formulation obtained according with the nutritional parameters, because there isn't sensory difference significant, which was: 35% of fermented cassava starch, 100% of sugar and 7.5% of orange albedo flour. In comparison with the commercial biscuits test, standard and optimized, sensory appearance, flavor and texture showed significant differences (P≤0.05). The results correspond to standards set by Brazilian legislation, and crude fiber content of the biscuit was optimized at 3.08%, thus, can be classified as biscuit "source of fiber".
Reference Key
santos2011cinciaelaborao Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Aline Alves Oliveira Santos;Izabel Veras Cristina e Silva;João Paulo Almeida dos Santos;Danielle Gomes Santana;Meirielly Lima Almeida;Paulo Sergio Marcellini
Journal Trials
Year 2011
DOI
10.1590/S0103-84782011000300028
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782011000300028
Keywords
sensory evaluationagricultureagriculture (general)

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