The role of eusideroxylon zwageri seed oil addition on changing triglyceride geometry and physical properties of crude palm oil

Syahruddin Syahruddin, Randis Randis, Hasmina Tari Mokui, Edi Widodo

Abstract


This study investigates the role of bioadditive Eusideroxylon zwageri seed oil in influencing the physical properties of crude palm oil. Simulated using HyperChem software, the molecular dynamics model reveals an alteration in the triglyceride geometry of vegetable oil resulting from the addition of a bioadditive. Procyanidin found in E. zwageri seed oil energized electrons on its aromatic ring cluster, generating a magnetic moment such that spinning electrons along the molecular chains of crude palm oil became more reactive. This enhanced electron mobility also correlated to lower dipole moment and higher kinetic energy, weakening the intermolecular Van der Waals’ force between triglyceride molecules. As a result of this phenomenon, molecular geometric stretching along the carbon chain of triglycerides occurs, increasing the probability of altering the physical properties of the treated vegetable oil. The study result shows a modest reduction in kinematic viscosity (cSt) of the treated crude palm oil, as verified by the ASTM D 445 method, after the addition of the bioadditive seed oil. Flash point value also decreases marginally, as measured by the ASTM D93 method. The E. zwageri seed oil demonstrated an alternative bioadditive enhancing the physical properties of vegetable oil fuel.

 

Received: 18 May 2025

Accepted: 10 July 2025

Published: 17 August 2025


Keywords


Eusideroxylon zwageri, triglyceride geometry, physical properties, crude palm oil

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References


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DOI: https://dx.doi.org/10.21622/resd.2025.11.2.1351

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Copyright (c) 2025 Syahruddin Syahruddin, Randis Randis, Hasmina Tari Mokui, Edi Widodo

Renewable Energy and Sustainable Development

E-ISSN: 2356-8569

P-ISSN: 2356-8518

 

Published by:

Academy Publishing Center (APC)

Arab Academy for Science, Technology and Maritime Transport (AASTMT)

Alexandria, Egypt

resd@aast.edu