Effect of fractional crystallization on composition and thermal properties of engkabang (shorea macrophylla) seed fat and cocoa butter
Fractional crystallization behaviors of cocoa butter (CB) and enkabang fat (EF) in acetone were investigated. Melted samples of CB and EF were mixed separately with acetone in 1:2 (w/v) ratio and partitioned into solid and liquid fractions under controlled temperature conditions. The isolated fracti...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Instituto de la Grasa
2013
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/45655/ http://irep.iium.edu.my/45655/ http://irep.iium.edu.my/45655/1/PAPER-Print_version.pdf |
| Summary: | Fractional crystallization behaviors of cocoa butter (CB) and enkabang fat (EF) in acetone were investigated. Melted samples of CB and EF were mixed separately with acetone in 1:2 (w/v) ratio and partitioned into solid and liquid fractions under controlled temperature conditions. The isolated fractions were compared to their respective native samples with respect to various physico-chemical parameters using standard chemical methods as well as instrumental techniques such as gas liquid chromatography (GLC), reversed-phase high performance liquid chromatography (RP-HPLC), and differential scanning calorimetry (DSC). According to results, partitioning of either CB or EF under solvent assisted crystallization condition yielded a major solid and a minor liquid fraction. The solid and liquid fractions of both fats were found to display many similarities, but few differences with regard to their composition and thermal properties. While the solid fractions may be useful as a hard stock in hard margarine and cosmetic product formulation, liquid fraction would be useful as an ingredient for food applications. |
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