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Lipase-Catalyzed Synthesis of Fattythioic Acids from Palm Oil

机译:脂肪酶催化从棕榈油中合成脂肪酸硫

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摘要

The present work focuses on the synthesis of fattythioic acids (FTAs) by a one-step lipase catalyzed reaction of palm oil with carbonothioic S,S-acid using Lipozyme. The product was characterized using Fourier transform infrared (FTIR) spectroscopy, proton nuclear magnetic resonance (*H NMR) technique and elemental analysis. The effects of various reaction parameters such as reaction time, temperature, amount of enzyme, molar ratio of substrates, and various organic solvents of the reaction system were investigated. The optimum conditions to produce FTAs were respectively, incubation time, 20 h, temperature, 40°C, amount of enzyme, 0.05 g and molar ratio of carbonothioic S,S-acid to palm oil, 5.0:1.0. Hexane was the best solvent for this reaction. The conversion of the products at optimum conditions was around 91%.
机译:本工作着重于通过脂酶通过一步脂肪酶催化棕榈油与碳硫S,S-酸的脂肪酶催化合成脂肪硫酸(FTA)。使用傅立叶变换红外(FTIR)光谱,质子核磁共振(* H NMR)技术和元素分析对产物进行表征。研究了反应时间,温度,酶量,底物摩尔比,反应体系中各种有机溶剂等各种反应参数的影响。制备FTA的最佳条件分别是:孵育时间,20小时,温度,40℃,酶的量,0.05克和硫代硫代S,S-酸与棕榈油的摩尔比为5.0:1.0。己烷是该反应的最佳溶剂。在最佳条件下产物的转化率约为91%。

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