Screening of lipases for the synthesis of xylitol monoesters by chemoenzymatic esterification and the potential of microwave and ultrasound irradiations to enhance the reaction rate

被引：31

作者：

Rufino, Alessandra R. ^{[1
]}

Biaggio, Francisco C. ^{[1
]}

Santos, Julio C. ^{[1
]}

de Castro, Heizir F. ^{[1
]}

机构：

[1] Univ Sao Paulo, Dept Chem Engn, Engn Sch Lorena, BR-12602810 Sao Paulo, Brazil

来源：

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2010年 / 47卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

Xylitol monoesters; Lipase; Esterification; Ultrasound and microwave irradiations; SOLID-PHASE SYNTHESIS; FATTY-ACID ESTERS; ENZYMATIC-SYNTHESIS; PENICILLIUM-CAMEMBERTII; SUGAR ESTERS; CHAIN-LENGTH; SOLVENT; MONOLAURATE; PRODUCTS;

D O I：

10.1016/j.ijbiomac.2010.04.009

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Lipases from different sources, Pseudomonas fluorescens (AK lipase), Burkholderia cepacia (PS lipase), Penicillium camembertii (lipase G) and Porcine pancreas lipase (PPL), previously immobilized on epoxy SiO2-PVA, were screened for the synthesis of xylitol monoesters by esterification of the protected xylitol using oleic acid as acyl donor group. Among all immobilized derivatives, the highest esterification yield was achieved by P. camembertii lipase, showing to be attractive alternative to bulk chemical routes to satisfy increasing commercial demands. Further experiments were performed to determine the influence of fatty acids chain size on the reaction yield and the feasibility of using non-conventional heating systems (microwave and ultrasound irradiations) to enhance the reaction rate. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：5 / 9

页数：5

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