Enzymatic synthesis of citronellol laurate in organic media and in supercritical carbon dioxide

被引：27

作者：

Habulin, Maja ^{[1
]}

Sabeder, Sasa ^{[1
]}

Sampedro, Miguel Acebes ^{[1
]}

Knez, Zeljko ^{[1
]}

机构：

[1] Univ Maribor, Fac Chem & Chem Engn, Lab Separat Proc, SI-2000 Maribor, Slovenia

来源：

BIOCHEMICAL ENGINEERING JOURNAL | 2008年 / 42卷 / 01期

关键词：

citronellol laurate; biocataiysis; immobilized enzymes; lipase; food engineering; supercritical carbon dioxide;

D O I：

10.1016/j.bej.2008.05.012

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Short-chain esters of carboxylic acids and monoterpene alcohols are very important compounds in food, cosmetic and pharmaceutical industries. Lipase-catalyzed esterification of beta-citronellol and lauric acid was performed in organic solvents and in supercritical carbon dioxide (SC CO2). The optimal conditions found in organic solvents at atmospheric pressure were: an equimolar ratio of substrates, a temperature of 60 C. an agitation speed of 500 rpm, 12%(w/w of substrates)enzyme preparation of lipase B from Candida antarctica. The highest conversion in SC CO2 was obtained at 60 C and 10 MPa with ethyl methylketone serving as a co-solvent. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：6 / 12

页数：7

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