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KMID : 1011620080240010076
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Korean Journal of Food and Cookey Science
2008 Volume.24 No. 1 p.76 ~ p.83
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Optimization of Iced Cookie with Arrowroot Powder Using Response Surface Methology
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Lee Ji-Hee
Song Yun-Hee
Lee Sun-Mee
Jeong Hee-Sun
Paik Jae-Eun
Joo Na-Mi
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Abstract
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The aim of this study was to use arrowroot powder to develop a recipe for a nutritional cookie having the optimal composition of ingredients and texture to elict a strong preference response in all age groups. Wheat flour was partially substituted with arrowroot powder to reduce the wheat flour content of the cookie. Measurements were made and analyzed according to the Response Surface Methodology technique, which showed 16 experimental points including 2 replicates for arrowroot powder, yellow sugar and butter. The compositional and functional properties of the test were measured, and the values obtained were applied to a mathematical model. A canonical form and perturbation plot showed the influence of each ingredient on the final mixture product. The result of sensory evaluation showed very significant values for color (p<0.01), appearance (p<0.001), texture (p<0.05), overall quality (p<0.05), and flavor (p<0.05). Instrumental analysis showed significant values for lightness (p<0.001), redness (p<0.01), yellowness (p<0.01) and spread ratio (p<0.001). The optimal sensory ratios were determined to be 15g for the arrowroot powder, 70 g for sugar and 80 g for butter.
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KEYWORD
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arrowroot powder, optimization, response surface methodology (RSM)
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