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High Shear Reactor for Glycerolysis – Interesterification Palm Stearin-Olein Blend: Reaction Kinetics and Physical Properties
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  • Inasanti Wangi,
  • Supriyanto Supriyanto,
  • Hary Sulistyo,
  • Chusnul Hidayat
Inasanti Wangi
Universitas Gadjah Mada
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Supriyanto Supriyanto
Universitas Gadjah Mada
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Hary Sulistyo
Universitas Gadjah Mada
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Chusnul Hidayat
Gadjah Mada University Faculty of Agricultural Technology

Corresponding Author:chusnul@gadjahmada.edu

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The objective of this research was to investigate the effect of temperature on the glycerolysis-interesterification reaction kinetics of immiscible and high viscous reactants at relatively low temperatures in a high shear reactor (HSR), and their physical product properties. The reaction was performed at various temperatures (80-120°C) and a mixing rate of 2000 rpm for 5 h. Results showed that the reaction rate constant increased and followed the Arrhenius equation as temperature increased. TAG conversion was 2.5 fold greater at 110 and 120°C compared to lower reaction temperatures. MAG and DAG increased by about 18.3% and 13.4%, respectively, as the reaction temperature increased from 80 to 120°C. The product’s melting point, hardness, and color were also improved by increasing temperature. In summary, structured lipids (SLs) synthesis containing high MAG and DAG could be produced at a relatively low temperature (110°C) using HSR, and followed the glycerolysis-interesterification kinetic and Arrhenius model.
31 Dec 2022Submitted to Journal of the American Oil Chemists' Society
03 Jan 2023Assigned to Editor
03 Jan 2023Submission Checks Completed
03 Jan 2023Review(s) Completed, Editorial Evaluation Pending
07 Feb 2023Reviewer(s) Assigned
13 Mar 2023Editorial Decision: Revise Major