Lipase-Catalyzed Synthesis of Caffeic Acid Propyl Ester in Ionic Liquid

Na Pang; Fang Qin Wang; Hong Sheng Cui; Xing Yu Zhao; Xi Liu; Shuang Shuang Gu; Jun Wang

doi:10.4028/www.scientific.net/AMR.634-638.555

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Lipase-Catalyzed Synthesis of Caffeic Acid Propyl...

Lipase-Catalyzed Synthesis of Caffeic Acid Propyl Ester in Ionic Liquid

Abstract:

Lipase-catalyzed esterification of caffeic acid with 1-propanol, to form caffeic acid propyl ester (CAPE), was investigated in ionic liquid using immobilized lipase. Ten ILs were used as the reaction medium; three types of lipases were selected as biocatalysts, and the lipase-catalyzed synthesis properties of CAPE were measured systematically in order to enhance the yield of CAPE. The results indicated that when [Bmim][Tf2N] was selected as reaction media, Novozym 435 was used as catalyst, the molar ratio of 1-propanol to CA was 10:1, the reaction temperature was 80 °C, and the mass ratio of catalyst to CA was 18:1, the highst yield of CAPE attained 41.0 %.

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Advanced Materials Research (Volumes 634-638)

Pages:

555-558

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.555

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Online since:

January 2013

Authors:

Na Pang, Fang Qin Wang, Hong Sheng Cui, Xing Yu Zhao, Xi Liu, Shuang Shuang Gu, Jun Wang

Keywords:

Biosynthesis, Caffeic Acid Propyl Ester, Esterification, Ionic Liquid (IL), Lipase

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