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KMID : 0903519950380020147
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1995 Volume.38 No. 2 p.147 ~ p.150
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Effect of Gelation Condition on Physical Properties of Dover Sole Skin Gelatin Prepared by Fractional Precipitation with Ethanol
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Abstract
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Effects of gelation conditions on physical properties of dower sole skin gelatin prepared by fractional precipitation with ethanol were investigated. The physical properties such as gel strength, melting point and gelling point of both ethanol treated and non-ethanoltreated gelatins were improved as concentration of gelatin was increased. The physical property of 10% ethanol treated gelatin sol reached maximum at pH 6.0, whereas non-treated one showed maximum at pH 5.0. Both ethanol treated and non-treated gelatin gel showed the higher gel strength and melting point at lower temperatures and longer period of time. Generally, the physical properties of ethanol treated gelatin gel was better than those of non-ethanol treated gel.
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