Journal of Oil Palm Research Vol. 24  2012 August p.  1349-1352

Physico-chemical properties and compatibility study on palm oil products with cocoa butter

Author(s): ZALIHA Omar* ; NORIZAH, A. R. * ; MOHAMED HANAFI Musa ** ; AMINUDIN Hussein **

The physico-chemical properties of binary blends of palm oil products with deodorised cocoa butter (DCB, IV 32.7) at levels ranging from 10% to 90% (w/w) were evaluated. Cocoa butter equivalent (CBE, IV 32.4) showed full compatibility with DCB at all concentrations and crystallised to form a strong β in a mixture of β + β’ polymorphic forms. Results of solid fat content (SFC) show that the addition of 10% to 20% palm-mid fraction (PMF, IV 41) and cocoa butter substitute (CBS, IV 0.3) with DCB gave rise to eutectic effects and that the mixture crystallised to form a strong β’ in a mixture of β + β’ polymorphic forms. The differential scanning calorimetry (DSC) melting thermograms of the CBE and DCB blends showed a single melting peak at ± 19.5°C. There were two prominent melting peaks observed in the blends containing more than 10% to 20% of CBS and PMF.

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Author Information
* Malaysian Palm Oil Board, P. O. Box 10620, 50720 Kuala Lumpur, Malaysia.

** Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia.

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