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Researches on thermal and rheological properties of cream- and vegetable spread

https://doi.org/10.20914/2310-1202-2016-2-22-27

Abstract

Researches of thermal and rheological properties of cream- and vegetable spread are necessary for the scientific substantiation of their obtaining process, namely mixing and crystallization processes. As the object of research, we chose a cream- and vegetable spread, with the following composition: peanut butter 10%; wheat germ oil 10%; linseed oil 20%; butter 59.8%; emulsifier 0.2%. With the data obtained in the course of research of the rheological properties of cream- and vegetable spread, one can subsequently generate recommendations for optimization of technological modes of production. In particular, one can solve problems of intensification of hydro-mechanical and thermal processes by carrying them out at such a temperature and speed when the maximum preservation of the produced product structure will be achieved. Determination of thermal characteristics was carried out in the apparatus for the study of thermal and rheological properties of viscoelastic liquids Coesfeld RT-1394H. Rheological researches of cream- and vegetable spread were carried out on a series of viscometers SV-10 and PB-8m. The graphs of spread dynamic viscosity dependence on the temperature, and the dependence of the effective viscosity of the spread and vegetable oils on the shear rate were built according to experimental data. The data obtained is rational to choose the equipment for processing and production of cream- and vegetable spread, to simulate processes taking place in the production process, to solve problems of intensification of thermal and hydro-mechanical processes reasonably, by conducting the production process at temperatures that do not cause the destruction of the product structure.

About the Authors

A. N. Ostrikov
Voronezh state university of engineering technologies
Russian Federation

professor, head of Department of Technology of fats, processes and apparatuses of chemical and food industries, 

Revolution Av., 19 Voronezh 394036



A. V. Gorbatova
Voronezh state university of engineering technologies

assistant, Department of Technology of fats, processes and apparatuses of chemical and food industries, 

Revolution Av., 19 Voronezh 394036



P. V. Filiptsov
Voronezh state university of engineering technologies

graduate student, Department of Technology of fats, processes and apparatuses of chemical and food industries, 

Revolution Av., 19 Voronezh 394036



References

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Review

For citations:


Ostrikov A.N., Gorbatova A.V., Filiptsov P.V. Researches on thermal and rheological properties of cream- and vegetable spread. Proceedings of the Voronezh State University of Engineering Technologies. 2016;(2):22-27. (In Russ.) https://doi.org/10.20914/2310-1202-2016-2-22-27

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ISSN 2226-910X (Print)
ISSN 2310-1202 (Online)