Transesterification of Refined, Bleached and Deodorised Palm Olein and Palm Oil in Organic Solvents by Immobilised Rhizomucor Miehei Lipase

TL;DRAbstract

The effects of medium's hydrophobicity and reaction temperatures on Rhizomucor miehei lipase-catalysed transesterification of refined, bleached and deodorised (RBO) palm olein and RBD palm oil were studied. Solvents with log P values ranging from -1.3-4.52 were chosen. The extent of trans esterification was studied based on whether there was an increase in the triglyceride composition or if there were new triglycerides formed. Analyses on the triglyceride composition, melting properties and slip melting point of transesterified OIls were eamed out. Solvents with log P values between 2 and 4 (2 ≤ log P < 4) and more than 4 (log P≥ 4) were found to give the highest degree of transesterification in palm olein and palm oil. Solvents such as hexane (log P 3.5) and isooctane (log P 4.52) were found to be particular1y useful in both transesterification of palm olein and palm oil. No transesterification took place in solvents with log P less than 2 (log P < 2). The effect of reactio

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