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KMID : 0903519900330040293
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1990 Volume.33 No. 4 p.293 ~ p.300
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Effect of lipid contents on the physicochemical characteristics of acorn starch
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Oh Doo-Hwan
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Abstract
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The physical and chemical properties of dry atom starch(DS), defatted acorn starch (DFS) and reincorporated acorn starch(RIS) were investigated. Swelling power and solubility of all starch sample; were exhibited two stage-behavior. It had a little change on the pasting temperature of DS and DFS but the peals viscosity and breakdown value of DFS was somewhat higher than those of DS and RIS. Flow behavior of gelatinized starch pastes showed a pseudoplastic behavior and flow behavior index was lower than unit. The consistency coefficient showed concentration and temperature dependency. The activation energies of DIS, DFS and RIS were from 1.70K㎈/g·㏖ to 3.75K㎈/g·㏖.
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