In vitro digestibility and allergenicity of emulsified hen egg

被引:19
作者
Jimenez-Saiz, Rodrigo [1 ]
Ruiz-Henestrosa, Victor M. P. [1 ]
Lopez-Fandino, Rosina [1 ]
Molina, Elena [1 ]
机构
[1] Inst Food Sci Res CIAL CSIC UAM, Madrid 28049, Spain
关键词
Egg; Emulsion; In vitro digestion; IgE-binding; Allergenicity; Food matrix; FUNCTIONAL-PROPERTIES; DIGESTION; PROTEINS; PROTEOLYSIS; EMULSIONS; CONDUCTIVITY; ADSORPTION; STABILITY; OVALBUMIN; SUSCEPTIBILITY;
D O I
10.1016/j.foodres.2012.05.013
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Whole hen egg produced a fine stable O/W emulsion. The presence of egg proteins as part of the emulsion did not change their IgE binding, but it slightly increased the digestibility of the main allergens present in the egg-white. The observation that egg white proteins, forming part of an emulsion system did not become a much more effective substrate for pepsin indicates that, in the case of egg white proteins, there were not adsorption-induced changes that would considerably increase their flexibility and proteinase susceptibility. The increased digestibility of the emulsion resulted in a slightly lower IgE-binding capacity of the in vitro gastric and duodenal digests compared to those obtained from the egg in solution. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:404 / 409
页数:6
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