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Lipase-Mediated Synthesis of Fatty Acid Esters Using a Blending Alcohol Consisting of Methanol and 1-Butanol
- Lipase-Mediated Synthesis of Fatty Acid Esters Using a Blending Alcohol Consisting of Methanol and 1-Butanol
- Zhao, TingTing; Choi, Nakyung; Kim, Heejin; Kim, Yangha; Kim, Hak-Ryul; Kim, In-Hwan
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
- 0003-021X; 1558-9331
- vol. 94, no. 4, pp. 559 - 565
- Blending alcohol; 1-Butanol; Fatty acid esters; Lipase; Methanol; Transesterification
- SCI; SCIE; SCOPUS
- Lipase-mediated transesterification of soybean oil with a blending alcohol consisting of methanol and 1-butanol for synthesis of fatty acid esters was carried out. Lipase from Thermomyces lanuginosa (Lipozyme TL IM) was used as a biocatalyst. The lipase was purchased from Novozymes (Seoul, Republic of Korea). The effects of the molar proportions of methanol and 1-butanol in the blending alcohol, reaction temperature, enzyme loading and water content were investigated, for reaction optimization. The relative consuming rates of methanol and 1-butanol during the reaction were also explored. Among seven different ratios of alcohol blends employed in this study, that containing 80 mol% methanol gave the highest yield of fatty acid esters. Optimum reaction temperature, enzyme loading, and water content were 30 A degrees C, 15% (based on the substrate weight), and 0.3% (based on the substrate weight), respectively. Water influenced significantly the reaction rate and yield. On the transesterification, the degree of reaction of methanol was higher than that of 1-butanol and the presence of 1-butanol contributed to increase of the reaction rate as well as yield. The maximum yield of ca. 98 wt% was achieved under the optimized condition.
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