Rheological discrimination and characterization of carrageenans and starches by Fourier transform-rheology in the non-linear regime.

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Abstract

Classical rheological methods are often insufficient to characterize and to differentiate the non-linear rheological behavior of polysaccharide systems such as carrageenan or starch. In this article the non-linear rheological method of characteristic functions is used to discriminate between the different polysaccharides. This method is based on the Fourier transform-rheology (FT-rheology). The response of a sample is decomposed using simple characteristic functions. We show that there are differences in the response of a number of carrageenan and starch samples, which are not distinguishable with classical rheometry.
Original languageEnglish
Pages (from-to)145-150
JournalJournal of Non-Newtonian Fluid Mechanics
Volume151
Issue number1-3
DOIs
Publication statusPublished - 2008

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