Citation: Jin Ling CHAI, Shou Qing WANG, Gan Zuo LI, Qing XU, Yan Hong GAO. Kinetics of the Esterification Reaction Catalyzed by Lipase in W/O Microemulsions of Alkyl Polyglucoside[J]. Chinese Chemical Letters, ;2004, 15(6): 699-702. shu

Kinetics of the Esterification Reaction Catalyzed by Lipase in W/O Microemulsions of Alkyl Polyglucoside

1.
Department of Chemistry, Shandong Normal University, Jinan 250014;
2.
Department of Chemistry, Weifang Institute of Education, Shandong Qingzhou 262500;
3.
Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan 250100;
3.
Novozym Company of Beijing, Beijing 100085

Received Date: 13 May 2003

Fund Project: This project is supported by the National Natural Science Foundation of Shandong Province (No:Y2003B01).

A novel kinetic mechanism of esterification reaction of 1-hexanoic acid with 1-butanol, catalyzed by lipase, was studied in water-in-oil microemulsions. The microemulsions were formed by alkyl polyglucoside C₁₀G_1.54/1-butanol/cyclohexane/phosphate buffer solution. The result shows that when the ratio of mol concentration of 1-butanol to 1-hexanoic acid is about 3.0, the initial rate V₀ get the maximum values. This phenomenon was explained by the modified fishlike phase diagrams.
- Alkyl polyglucoside,
- W/O microemulsion,
- lipase catalysis,
- kinetics
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