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KMID : 0664320170230010014
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Journal of the Korean Dietetic Association
2017 Volume.23 No. 1 p.14 ~ p.26
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Quality Characteristics of Rice Cookies Prepared with Stevia rebaudiana Leaf
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Kim Dah-Sol
Shin Ji-Hun
Joo Na-Mi
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Abstract
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The purpose of this study was to determine the optimal recipe of rice cookies with two different amounts of Stevia rebaudiana leaf and grape seed oil, using a central composite design (CCD). In addition, mixing conditions of rice cookies were optimized by sensory evaluation and mechanical and physicochemical analysis using response surface methodology (RSM). RSM was used to obtain 10 experimental points (including two replicates of Stevia rebaudiana leaf and Grape seed oil), and the formulation of Stevia rebaudiana leaf added rice cookies was optimized using rheology. The results of mechanical and physicochemical analysis showed significant values for lightness, redness, yellowness, hardness, spread factor, loss rate, leavening rate, sweetness, moisture, pH, and density (P＜0.001), results of the sensory evaluation showed significant values for color, flavor, taste, texture, appearance, and overall quality (P＜0.05). As a results, optimal sensory ratio was found to be 1.98 g of Stevia rebaudiana leaf and 37.94 g of Grape seed oil.
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KEYWORD
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Stevia rebaudiana leaf, rice cookie, sensory evaluation, optimization, response surface methodology (RSM)
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