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Magdalena Orczykowska, Marek Dziubinski
Comparison of viscoelastic properties of chestnut and acorn starch by means of mechanical models with an in-built springpot
Appl. Rheol. 24:2 (2014) 24766 (7 pages)
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The effect of concentration on viscoelastic properties of chestnut and acorn starch is discussed in the paper. The starch structure
was assessed using a rheological fractional standard linear solid model FSLSM in contrary to very simple power-law
model usually used in many published papers concerning determination of rheological properties of starch. Rheological
parameters of this model were determined and their changes for different concentrations of the two tested types of starch
were discussed. The values of the rheological parameter of FSLSM model give a useful of information concerning the elastic
properties of materials such as total elasticity of networks, network oscillations, gel stiffness, structure of cross-linking and
relaxation time of the materials. The proposed method for the interpretation of rheological measurements of the two types
of starch allows for a comprehensive estimation of the analyzed biomaterial structure. The fractional rheological models can
be very useful to control the biomaterial structure the needs of the final to meet envisaged product which is particularly significant
from the point of view of materials engineering.
► Cite this publication as follows:
Orczykowska M, Dziubinski M: Comparison of viscoelastic properties of chestnut and acorn starch by means of mechanical models with an in-built springpot, Appl. Rheol. 24 (2014) 24766.
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