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http://dx.doi.org/10.11002/kjfp.2013.20.6.810

A study of optimization of non-fried rice snack using Baekjinju rice flour  

Choi, Ok Ja (Department of Food and Cooking Science, Sunchon National University)
Jung, Hee Nam (Department of Food and Cooking Science, Sunchon National University)
Kim, Young Doo (Department of Food Technology, Sunchon National University)
Shim, Jae-Han (Department of Biological Chemistry, Chonnam National University)
Shim, Ki Hoon (Department of Food and Cooking Science, Sunchon National University)
Publication Information
Food Science and Preservation / v.20, no.6, 2013 , pp. 810-817 More about this Journal
Abstract
This study investigated the properties of rice snack puffed in a microwave oven after drying its dough according to Baekjinju soaking time and additional soybean milk. The optimum conditions for the non-fried rice snack using Baekjinju wetted flour were determined through the design of an experiment using response surface methodology. The independent variables were the Baekjinju soaking time and the additional soybean milk, and the dependent variables were the weight, volume, density, expansibility, Hunter's color value, hardness, and sensory properties. The quadratic model was chosen for the weight, density, expansibility, b value, and hardness. The two-factor interaction model was chosen for the volume, flavor, appearance, and overall preference. The linear model was chosen for the L value, taste, and texture. The weight was increased to longer than 11.26 days with the increase in the rice soaking. The volume, expansibility, L value, and b value increased with the increase in the rice soaking time and in the additional soybean milk ratio. However, the density was decreased was in reverse. The hardness increased most, with the rice soaking time rising from 5.28 to 8.53 days and the soybean milk additional ratio increasing from 5.34 to 20.26%. The sensory properties improved as rice soaking time decreased, and the soybean milk additional ratio was revered. As for the desirability, the optimal formulation of the dough of non-fried rice snack was achieved by mixing 200 g of Baekjinju flour with a 0.69 days rice soaking time and a 26.67% soybean milk of rice ratio according to weight.
Keywords
Baekjinju; rice flour; non-fried snack; optimization; RSM;
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Times Cited By KSCI : 10  (Citation Analysis)
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