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大豆分离蛋白膜的DSC分析
引用本文:姜燕,唐传核,温其标. 大豆分离蛋白膜的DSC分析[J]. 食品与发酵工业, 2008, 34(1): 28-30
作者姓名:姜燕  唐传核  温其标
作者单位:1. 广东工业大学轻工化工学院,广东广州,510006
2. 华南理工大学轻工与食品学院,广东广州,510641
摘    要:采用差示扫描量热法(DSC),研究不同相对湿度(RH)条件下,大豆分离蛋白(SPI)膜的热特性以及谷氨酰胺转移酶(TGase)改性对热特性的影响。对于SPI膜,无论是对照膜还是TGase改性膜,蛋白膜的热稳定性随着RH的增高而下降。TGase改性改变了SPI膜吸热峰出现的位置与数量。在同一RH条件下,TGase改性膜更易失去水分。TGase改性使SPI膜的耐热特性基本未变。

关 键 词:蛋白膜  大豆分离蛋白  热特性
修稿时间:2007-09-07

DSC Analysis of Soy Protein Isolate Films
Jiang Yan,Tang Chuanhe,Wen Qibiao. DSC Analysis of Soy Protein Isolate Films[J]. Food and Fermentation Industries, 2008, 34(1): 28-30
Authors:Jiang Yan  Tang Chuanhe  Wen Qibiao
Abstract:Thermal properties of soy protein isolate (SPI) films at different relative humidity (RH) and effect of transglutaminase (TGase) treatment were studied by DSC analysis.For SPI films,whatever the control films or TGase-treated films,thermal stability was decreased with RH increasing.TGase treatment changed the location and quantity of endothermic peak of SPI films.At the same RH,TGase-treated films were easier to lose moisture as compared with control films.TGase treatment films did not change the heat—resistant quality of SPI films.
Keywords:protein film  soy protein isolate  thermal property
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