Effect of irradiation on foaming properties of egg white proteins

被引：30
|
作者：
Liu, X. D. [1 ]
Han, R. X. [1 ]
Yun, H. [1 ]
Jung, K. C. [1 ]
Jin, D. I. [1 ]
Lee, B. D. [1 ]
Min, T. S. [2 ]
Jo, C. [1 ]
机构：
[1] Chungnam Natl Univ, Dept Anim Sci & Biotechnol, Taejon 305764, South Korea
[2] Natl Res Fdn Korea, Taejon 305350, South Korea
来源：
POULTRY SCIENCE | 2009年 / 88卷 / 11期
关键词：
protein modification; irradiation; egg white; foaming ability; two-dimensional electrophoresis; FUNCTIONAL-PROPERTIES; GAMMA-IRRADIATION; SHELL EGGS; HEAT; OVALBUMIN; QUALITY; YOLK;
D O I：
10.3382/ps.2009-00063
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
To investigate the effects of irradiation on structural and functional properties of egg white proteins, which enhance foaming ability, egg white was separated and irradiated at doses of 0, 2.5, and 5 kGy. The foaming ability of egg white was increased, whereas foam stability was decreased by irradiation. Turbidity and protein oxidation of egg white was increased by irradiation with an increase of irradiation dose. The content of free sulfhydryl and disulfide was not affected by irradiation. According to 2-dimensional electrophoresis analysis, it was demonstrated that protein scissions are the main changes caused by irradiation and this protein modification may be the main reason for the improvement in foaming ability of egg white.
引用
收藏
页码：2435 / 2441
页数：7
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