Rapid synthesis of palm-based monoacylglycerols |
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Authors: | Sit-Foon?Cheng Email author" target="_blank">Yuen-May?ChooEmail author Ah-Ngan?Ma Cheng-Hock?Chuah |
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Affiliation: | 1.Malaysian Palm Oil Board (MPOB),Persiaran Institusi,Kajang, Selangor,Malaysia;2.Department of Chemistry, Faculty of Science,University of Malaya,Kuala Lumpur, Selangor,Malaysia |
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Abstract: | Rapid synthesis of high-purity MAG from refined, bleached, and deodorized palm stearin (RBDPS) via chemical glycerolysis in the presence of pyridine was developed to obviate the conventional molecular distillation in the
production of pure MAG. The optimal reaction for the sodium methoxide-catalyzed glycerolyis of RBDPS was recorded at 110°C
using a 3 wt% catalyst concentration based on the weight of RBDPS, with an RBDPS/glycerol ratio of 1∶2 and an RBDPS/pyridine
ratio of 1∶4. High yields of over 99% were achieved rapidly in 15 min, and increases in DAG and FFA were observed after a
prolonged reaction time. |
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