Progress in Agricultural Engineering Sciences
Volume/Issue:
Volume 14: Issue s1
Characterization of coconut oil flow behavior
Authors:
Vinod Dhaygude Department of Grain and Industrial Technology, Faculty of Food Science, Szent István University, Villányi út 29-43, H-1118 Budapest, Hungary

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Anita Soós Department of Grain and Industrial Technology, Faculty of Food Science, Szent István University, Villányi út 29-43, H-1118 Budapest, Hungary

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Réka Juhász Department of Food Preservation, Faculty of Food Science, Szent István University, Villányi út 29-43, H-1118 Budapest, Hungary

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László Somogyi Department of Grain and Industrial Technology, Faculty of Food Science, Szent István University, Villányi út 29-43, H-1118 Budapest, Hungary

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Pages:
57–67
Online Publication Date:
Jul 2018
Publication Date:
01 Jul 2018
Article Category:
Research Article
DOI:
https://doi.org/10.1556/446.14.2018.s1.6
Keywords:
viscosity; spreadability; storage modulus (G'); loss modulus (G'') and Herschel-Bulkley model
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Blending is widely used for modification of the physicochemical properties of fats to enhance their commercial applications. This paper studied the flow behavior of coconut oil (NHCO) under variation in the temperature and proportion of fully hydrogenated coconut oil (FHCO). The oscillatory results showed that there is a change in the linear viscoelastic region, storage (G') and loss (G'') moduli with increasing proportion of FHCO in NHCO. In rotational tests, the blends showed shearthinning behavior. The viscosity of oils and their blends were investigated at different temperatures. The Herschel-Bulkley model was fitted to flow curves (shear stress in function of shear rate) of the samples. During heating, NHCO approached Newtonian behavior earlier than FHCO, because of their loosely-packed structure. Thus it indicated that the fatty acid composition affects these behaviors of the oil. The blending of fully hydrogenated coconut fat improved the elastic and textural character of the coconut oil.

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Cover Progress in Agricultural Engineering Sciences
Progress in Agricultural Engineering Sciences
Print ISSN:
1786-335X
Online ISSN:
1787-0321

Senior editors

Editor(s)-in-Chief: Felföldi, József

Chair of the Editorial Board Szendrő, Péter

Editorial Board

  • Beke, János (Szent István University, Faculty of Mechanical Engineerin, Gödöllő – Hungary)
  • Fenyvesi, László (Szent István University, Faculty of Mechanical Engineering, Gödöllő – Hungary)
  • Szendrő, Péter (Szent István University, Faculty of Mechanical Engineering, Gödöllő – Hungary)
  • Felföldi, József (Szent István University, Faculty of Food Science, Budapest – Hungary)

 

Advisory Board

  • De Baerdemaeker, Josse (KU Leuven, Faculty of Bioscience Engineering, Leuven - Belgium)
  • Funk, David B. (United States Department of Agriculture | USDA • Grain Inspection, Packers and Stockyards Administration (GIPSA), Kansas City – USA
  • Geyer, Martin (Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Department of Horticultural Engineering, Potsdam - Germany)
  • Janik, József (Szent István University, Faculty of Mechanical Engineering, Gödöllő – Hungary)
  • Kutzbach, Heinz D. (Institut für Agrartechnik, Fg. Grundlagen der Agrartechnik, Universität Hohenheim – Germany)
  • Mizrach, Amos (Institute of Agricultural Engineering. ARO, the Volcani Center, Bet Dagan – Israel)
  • Neményi, Miklós (Széchenyi University, Department of Biosystems and Food Engineering, Győr – Hungary)
  • Schulze-Lammers, Peter (University of Bonn, Institute of Agricultural Engineering (ILT), Bonn – Germany)
  • Sitkei, György (University of Sopron, Institute of Wood Engineering, Sopron – Hungary)
  • Sun, Da-Wen (University College Dublin, School of Biosystems and Food Engineering, Agriculture and Food Science, Dublin – Ireland)
  • Tóth, László (Szent István University, Faculty of Mechanical Engineering, Gödöllő – Hungary)

Prof. Felföldi, József
Institute: MATE - Hungarian University of Agriculture and Life Sciences, Institute of Food Science and Technology, Department of Measurements and Process Control
Address: 1118 Budapest Somlói út 14-16
E-mail: felfoldi.jozsef@uni-mate.hu

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2024  
Scopus  
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SJR index 0.378
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2023  
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SJR Q rank Q3

Progress in Agricultural Engineering Sciences
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Progress in Agricultural Engineering Sciences
Language English
Size B5
Year of
Foundation		 2004
Volumes
per Year		 1
Issues
per Year		 1
Founder Magyar Tudományos Akadémia  
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1786-335X (Print)
ISSN 1787-0321 (Online)

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