鞣酸改性谷朊粉-大豆分离蛋白制备复合膜的优化研究  

A Study on Optimizing of Composite Films Prepared by Tannic Acid Modification WG-SPI

作　　者：李梦琴[1] 安晓琼[1] 张剑[1] 任红涛[1] 

机构地区：[1]河南农业大学食品科学技术学院,河南郑州450002

出　　处：《粮食与饲料工业》2008年第2期22-24,共3页Cereal & Feed Industry

基　　金：河南省教育厅科技公关项目(2006550006)

摘　　要：采用响应曲面法研究了鞣酸改性谷朊粉-大豆分离蛋白复合膜成膜过程中各因素对膜性能的影响。以乙醇浓度、甘油添加量、pH值、鞣酸添加量为因素,以抗拉强度(TS)、断裂伸长率(E)、水蒸气透过系数(PV)为响应值对实验进行响应面设计,建立了TS、E、PV的回归模型,优化的最佳成膜配方为乙醇体积分数37%,甘油添加量1.9%,pH值10.7,鞣酸添加量0.093%。The effect of conditions to form the films on properties of WG-SPI edible composite film modified by tannic acid was evaluated by response surface methodology.The experimental response surface was designed by taking the ethanol concentration,glycerin feed rate,ph value and tannic acid as the factors and taking the tensile strength(TS),breaking elongation(E) and PV as the response value,the TS,E and PV regression models were set up,the optimum process parameters were obtained as: ethanol concentration 37%,gl...

关 键 词：响应曲面法 鞣酸 复合膜 

分 类 号：TS201[轻工技术与工程—食品科学]