Density variation in heat- and pressure-treated egg white during gel-to-glass-like transition

Haruichi Kanaya, Kenji Ishida, Kazuhiro Hara, Hirotaka Okabe, Seiji Taki, Kazumi Matsushige, Eisei Takushi

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Simultaneous measurements of the area (volume) and mass change were carried out in heat- and pressure-treated egg white during the process of the gel-to-glass-like state transition. The calculated density of these two specimens showed quite different time variations; the density of the heat-treated specimen remained almost constant, while that of the pressure-treated one changed considerably. Moreover, the scanning electron microscopy observations revealed that the surface structure of the pressure-treated gel is larger and more coarse than that of the heat-treated one, suggesting a close relationship between the structures of the two gels and the changes in the density during the gel-to-glass-like state transition. The differences in the microscopic structures in these two gels were also elucidated by X-ray diffraction measurements.

Original languageEnglish
Pages (from-to)3754-3758
Number of pages5
JournalJapanese Journal of Applied Physics
Volume31
Issue number11 R
DOIs
Publication statusPublished - Nov 1992

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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