Adhesion measurements between alginate gel surfaces via texture analysis

Walewijk, A., Cooper-White, J. J. and Dunstan, D. E. (2008) Adhesion measurements between alginate gel surfaces via texture analysis. Food Hydrocolloids, 22 1: 91-96. doi:10.1016/j.foodhyd.2007.05.005

Author Walewijk, A.
Cooper-White, J. J.
Dunstan, D. E.
Title Adhesion measurements between alginate gel surfaces via texture analysis
Journal name Food Hydrocolloids   Check publisher's open access policy
ISSN 0268-005X
Publication date 2008-01
Sub-type Article (original research)
DOI 10.1016/j.foodhyd.2007.05.005
Volume 22
Issue 1
Start page 91
End page 96
Total pages 5
Editor P. A. Williams
Place of publication Netherlands
Publisher Elsevier BV
Collection year 2008
Language eng
Subject 291601 Arithmetic and Logic Structures
780103 Chemical sciences
Abstract The interaction between two gelled alginate surfaces in a variety of solution environments was studied using a Texture Analyser. The influence of both the applied force and contact time on adhesion was investigated. The Young's modulus of the alginate gels in each environment was also determined. It was found that experiments performed in calcium chloride solutions with pre-cut flat surfaces offered the best reproducibility of measurements, due to the removal of the driving force for calcium exchange to the surrounding solution. Systematic trends were observed for this particular system: an increase in either applied force or contact time between the gelled surfaces gave rise to higher adhesion values. This study provides a solid protocol for investigating interactions between gelled biopolymer surfaces and has implications in particle-particle interaction and bulk rheological behaviour in particulate gel systems. Crown Copyright © 2007.
Keyword Alginate gel
Texture analysis
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes Paper presented at the "8th International Hydrocolloids Conference Norwegian Univ Sci & Technol, Trondheim, NORWAY, JUN 18-22, 2006"

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Created: Tue, 08 Apr 2008, 12:00:50 EST by Gail Smith on behalf of School of Chemical Engineering