鲢鱼肌原纤维蛋白可食性膜的制备

采用鲢鱼为原料用Saeki(1997)法对肌原纤维蛋白进行提取,经凯氏定氮法对提取的纤维蛋白进行含量分析,提取率为89%。采用甘油塑化法,将提取到鲢鱼肌原纤维蛋白制备成可食性蛋白膜。并通过对其膜厚度、色泽、柔软度、返潮性、水溶性、抗拉强度、水蒸气透过系数这些成膜性能指标的测定,确定其成膜的最佳工艺条件为:纤维蛋白:木薯淀粉=7:3,甘油浓度3.0%,温度0℃～70℃。

Study on Preparation of the Silver Carp Myofibrillar Protein Edible Films

The paper introduced conditions to myofibrillar protein was extrated from silver carp by Saeki(1997).Kjelelah method was used to analysis of protein content.Furthemore,protein content over 89 % was plasticized with glycerine and prepared edible protein film.Seven performance indexes(color,softness,getting damp,thickness,tensilestrength,water-soluble,water vapor permeability) were mensurated in order to analyze the factors influence.The result showed that the best support material of myofibrillar protein: ta...