Effects of Radio Frequency Heating Treatment on Functional Properties of Soy Protein Isolate

被引:0
|
作者
Guo C. [1 ]
Zhang Z. [1 ]
Liu Y. [1 ]
Fu H. [1 ]
Chen X. [1 ]
Wang Y. [1 ]
机构
[1] College of Food Science & Engineering, Northwest A&F University, Yangling, 712100, Shaanxi
关键词
Functional properties; Radio frequency heating; Soy protein isolate;
D O I
10.16429/j.1009-7848.2019.03.005
中图分类号
学科分类号
摘要
The effects of radio frequency (RF) heating treatments with different final temperatures (70, 80 °C and 90 °C) and electrode gaps (120, 160 mm and 200 mm) on the functional properties of soy protein isolate (SPI) dispersion (0.03 g/mL) were investigated. The results suggested that both the solubility, emulsifying properties, foaming properties and heat stability of SPI were increased by RF heating. Both of solubility, emulsifying properties, foaming properties and heat stability were increased with the increasing of electrode gap of RF heating system and was found highest at the electrode gap was 200 mm. Whereas, the foaming stability was decreased after RF heating. Compared with the electrode gap at 120 mm, the reduction of foaming stability of RF heated SPI was smaller than that at 160 mm and 200 mm. © 2019, Editorial Office of Journal of CIFST. All right reserved.
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页码:42 / 48
页数:6
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