Fractal nature in fat crystal networks
DOI:
https://doi.org/10.3989/gya.2004.v55.i2.165Keywords:
Fractal dimension, Interesterification, Plastic fat, Shear elastic modulus G’, Statistic self-similar fractal structure, Volume fraction of solid fatAbstract
The determination of the mechanical and rheological characteristics of several plastic fats requires a detailed understanding of the microstructure of the fat crystal network aggregates. The (or A) fractal approach is useful for the characterization of this microstructure. This review begins with information on fractality and statistical self-similar structure. Estimations for fractal dimension by means of equations relating the volume fraction of solid fat to shear elastic modulus G' in linear region are described. The influence of interesterification on fractal dimension decrease (from 2, 46 to 2 ,15) for butterfat-canola oil blends is notable . This influence is not significant for fat blends without butterfat. The need for an increase in research concerning the relationship between fractality and rheology in plastic fats is emphasized.
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Published
2004-06-30
How to Cite
1.
Gómez Herrera C. Fractal nature in fat crystal networks. grasasaceites [Internet]. 2004Jun.30 [cited 2023Dec.3];55(2):180-4. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/165
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