Drying kinetics of soy protein isolate-corn starch film during preparation and its moisture adsorption characteristics during storage

被引：1
作者：
Zhu T. [1 ]
Yang J. [1 ]
Qin W. [1 ]
Tian Y. [1 ]
Wang Y. [1 ]
Guo X. [1 ]
机构：
[1] College of Food Science and Engineering, Henan University of Technology, Zhengzhou
来源：
Grain and Oil Science and Technology | 2023年 / 6卷 / 03期
关键词：
Corn starch; Drying kinetics; Film; Moisture; Soy protein isolate;
D O I：
10.1016/j.gaost.2023.08.002
中图分类号：
学科分类号：
摘要：
To better understand the mass transfer process of moisture in the soy protein isolate-corn starch (SPI-CS) films during preparation and storage process, the drying kinetics model of SPI-CS films with different formation conditions during the drying process and the moisture adsorption characteristics of the SPI-CS films under different humidity conditions were investigated. Within the range of experimental conditions, the moisture migration rule in the SPI-CS films during the drying preparation was combined with the Page model which was expressed as MR = exp (−ktn). It was found that the adsorption equilibrium needed shorter time (about 3 h) when the SPI-CS films existed in the environment with lower humidity (RH < 54%). Additionally, the second-order adsorption kinetic equation was successful to describe the moisture adsorption characteristic of the SPI-CS films during storage under different humidity conditions. © 2023
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页码：120 / 126
页数：6
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