Abstract
SummaryThe health benefits of unsaturated fatty acids and palm oil phytonutrients have prompted various studies on red palm oil (RPO). This study aims to produce RPO that contains high oleic and low palmitic acid compositions. Dry fractional crystallisation was carried out on RPO at temperatures of 5, 10, 15 and 20 °C for 1, 3, 5, 8, 12, 24 and 48 h. High‐Oleic Low‐Palmitic Red Palm Super Olein (HOLP‐RPSO) was successfully obtained from dry fractional crystallisation at Tc 15 °C for 24 h with a composition of oleic acid >47%, a palmitic acid of <37% and an iodine value of 63.58. Triacylglycerol analysis of HOLP‐RPSO revealed a reduction of dipalmitoyl oleoyl glycerol (POP), while palmitoyl dioleoyl glycerol (POO) content improved through crystallisation. The obtained HOLP‐RPSO also contained more carotene, vitamin E and squalene than the raw material. In addition, modification of the filtration method improved the quality of the crystallisation products through the increase of the iodine value and improving the fatty acid profile.
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