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Effect of repeated heating on thermal behavior of crude palm oil


Citation

T., Haryati and Che Man, Yaakob and Swe, P. Z. (1997) Effect of repeated heating on thermal behavior of crude palm oil. Journal of the American Oil Chemists' Society, 74 (4). pp. 393-396. ISSN 0003-021X; ESSN: 1558-9331

Abstract / Synopsis

Thermal behavior of crude palm oil (CPO) is important to determine the optimal fractionation process and product yield. In this study, the effects of repeated heating on thermal behavior of CPO were examined by differential scanning calorimetry. CPO was heated at 80°C for 5 min, and heating was repeated five times to simulate the common conditions experienced by an oil before reaching the refinery. The result revealed that the thermal behavior of CPO changed after heating. The change, however, occurred only in the behavior of the high-melting stearin peak but not in the low-melting olein peak. Overheating split the stearin peak at 17.30°C to two peaks at 18.88 and 17.30°C and formed a new peak at 11.28°C. Apparently, a new substance has been synthesized.


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Additional Metadata

Item Type: Article
Divisions: Universiti Pertanian Malaysia
DOI Number: https://doi.org/10.1007/s11746-997-0096-y
Publisher: AOCS Press
Keywords: CPO; DSC; Fractionation; Repeated heating; Thermal behavior
Depositing User: Nabilah Mustapa
Date Deposited: 02 May 2017 12:34
Last Modified: 02 May 2017 12:34
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1007/s11746-997-0096-y
URI: http://psasir.upm.edu.my/id/eprint/51008
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