Food Science and Biotechnology

, Volume 27, Issue 2, pp 343–352 | Cite as

An investigation on the physicochemical characterization of interesterified blends of fully hydrogenated palm olein and soybean oil

  • Raheleh Mahjoob
  • Abdorreza Mohammadi Nafchi
  • Elahe Omidbakhsh Amiri
  • Jamshid Farmani


In this study, the effect of interesterification (using sodium methoxide) on physicochemical characteristics of fully hydrogenated palm olein (FHPO)/soybean oil blends (10 ratios) was investigated. Interesterification changed free fatty acid content, decreased oil stability index, solid fat content (SFC) and slip melting point (SMP), and does not affected the peroxide value. With the increase of FHPO ratio, oil stability index, SFC and SMP increased in both the interesterified and non-interesterified blends. Fats with higher FHPO ratio had narrower plastic range, as well. Compared to the initial blends, interesterified fats had wider plastic ranges at lower temperatures. Both the non-interesterified and interesterified blends showed monotectic behavior. The Gompertz function could describe SFC curve (as a function of temperature, saturated fatty acid (SFA) content or both) and SMP (as a function of SFA) of the interesterified fats with high R2 and low mean absolute error.


Interesterification Fully hydrogenated palm olein Soybean oil Physicochemical characterization Gompertz function 



Authors are thankful to the managers of Parto Daneh Khazar (Behshahr, Iran) for their assistances.

Compliance with ethical standards

Conflict of interest

Authors declare no conflict of interest.


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Copyright information

© The Korean Society of Food Science and Technology and Springer Science+Business Media B.V., part of Springer Nature 2017

Authors and Affiliations

  1. 1.Department of Food Science and Technology, Faculty of Agriculture, Damghan BranchIslamic Azad UniversityDamghanIran
  2. 2.Department of Food Science and Technology, Faculty of Agricultural EngineeringSari Agricultural Sciences and Natural Resources UniversitySariIran

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