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Anodic Oxidative Modification of Egg White for Heat Treatment

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journal contribution
posted on 12.08.2016, 00:00 by Masahito Takahashi, Akihiro Handa, Yusuke Yamaguchi, Risa Kodama, Kazuhiro Chiba
A new functionalization of egg white was achieved by an electrochemical reaction. The method involves electron transfer from thiol groups of egg white protein to form disulfide bonds. The oxidized egg white produced less hydrogen sulfide during heat treatment; with sufficient application of electricity, almost no hydrogen sulfide was produced. In addition, gels formed by heating electrochemically oxidized egg white exhibited unique properties, such as a lower gelation temperature and a softened texture, presumably due to protein aggregation and electrochemically mediated intramolecular disulfide bond formation.

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