Abstract
This study was carried out to determine the physicochemical properties and the thermal behavior of Malaysian high free fatty acid crude palm oil (HFFA-CPO). The physicochemical properties showed that the free fatty acid (FFA %), acid value, iodine value, saponification value, unsaponifiable matter, hydroxyl value, specific gravity, refractive index at 28°C, moisture content, viscosity at 28°C and colour at 28°C values were 9.4±0.1 %, 21.3±0.1 mg/g, 50.6±0.2 mg/g, 203.1±0.1 mg/g, 0.7±0.1%, 43.4±0.2 mg/g, 0.878 g/ml, 1.4669, 0.6 %, 52 cP and 50R–40Y respectively. Gas chromatography (GC) was used to determine the fatty acid (FA) composition in HFFA-CPO. The fatty acids were found to be comprised mostly with 45.7 % palmitic acid (C16:0), 39.5 % oleic acid (C18:1), 9.4 % linoleic acid (C18:2) and 4.3 % stearic acid (C18:0). The analysis of triacylglycerol components with high performance liquid chromatography (HPLC) has resulted with 3.5 % triunsaturated (OOO, OLL and OLO), 32.7 % monosaturated (POO, PLO, SOO ...
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