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Changes in Heat‐Induced Rheological Properties During Cold Storage of Egg Albumen
Author(s) -
HICKSON D. W.,
ALFORD E. S.,
GARDNER F. A.,
DIEHL K.,
SANDERS J. O.,
DILL C. W.
Publication year - 1982
Publication title -
journal of food science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.772
H-Index - 150
eISSN - 1750-3841
pISSN - 0022-1147
DOI - 10.1111/j.1365-2621.1982.tb12911.x
Subject(s) - rheology , chemistry , egg albumen , penetration (warfare) , elasticity (physics) , food science , materials science , composite material , mathematics , operations research
Two groups of eggs were stored at 15°C for 0, 5 and 10 days. One group was stored, with the shell removed, in sterile Whirl‐Pak bags. A second group was stored as intact whole eggs. Viscosity index, apparent elasticity, and initial penetration force were determined for heat‐induced (80°C, 80 min) gels of the thick, thin and mixed albumens from each group. The rheological parameters increased with storage time, with the greater increase exhibited by the gels of the albumens that were stored as shell eggs. Solution pH was a major factor controlling these rheological properties of heated egg albumen.