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KMID : 0380619860180020082
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Korean Journal of Food Science and Technology
1986 Volume.18 No. 2 p.82 ~ p.87
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Application of Response Surface Analysis for Predicting Moisture Content of Binary Mixture
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김호/Kim, H
유무영/윤희남/신용달/Yoo, M Y/Yoon, Heeny H N/Shin, Y D
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Abstract
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The water sorption isotherms of binary mixtures, prepared by corn starch and isolated soybean protein (ISP) or casein, were measured and analyzed. Simple equations to predict moisture content from knowledge of composition and water activity of the mixture were derived by applying Response Surface Analysis. Comparison between predicted and experimental moisture content for 13 combinations of corn starch-ISP mixture at the range of a_w 0.25-0.87 resulted in a maximum error of only 6.06% and an absolute mean error of 2.60%, and for the mixture of corn starch-casein the error was -4.39% and 2.12%, respectively. The agreement between experimental and predicted water sorption isotherms was shown to be $quot;highly acceptable$quot; for the binary mixtures of 50% corn starch-50% ISP and 50% corn starch -50% casein.
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KEYWORD
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