Enzymatic production of linalool esters in organic and solvent-free system

被引：12
|
作者：
Paroul, Natalia [1 ,2 ]
Biasi, Adriana [2 ]
Rovani, Ane Cheila [2 ]
Prigol, Camile [2 ]
Dallago, Rogerio [2 ]
Treichel, Helen [2 ]
Cansian, Rogerio L. [2 ]
Oliveira, J. Vladimir [2 ]
de Oliveira, Debora [1 ,2 ]
机构：
[1] Univ Caxias do Sul, Programa Posgrad Biotecnol, Caxias Do Sul, RS, Brazil
[2] Univ Reg Integrada Alto Uruguai & Missoes, URI, BR-99700000 Erechim, RS, Brazil
来源：
BIOPROCESS AND BIOSYSTEMS ENGINEERING | 2010年 / 33卷 / 05期
关键词：
Linalool; Ho-Sho essential oil; Novozym; 435; Biotransformation; LIPASE;
D O I：
10.1007/s00449-009-0384-z
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：
This work investigated the influence of temperature, enzyme concentration, substrates molar ratio, in the absence and presence of organic solvent, at two molar ratios of the substrates on the enzymatic production of linalil esters using the immobilized lipase Novozym 435 as catalyst, different acids and linalool and Ho-Sho essential oil as substrates. The best reaction conversion was obtained at the highest temperature (70 A degrees C), for both solvent free (3.81%) and with solvent addition (2.25%), for a solvent to substrates molar ratio of 2:1, enzyme concentration of 5 wt% and acid to alcohol molar ratio of 1:1. The reaction kinetics revealed that Ho-Sho essential oil afforded the greatest conversions when compared with pure linalool. Higher linalil esters production were achieved after 10 h reaction (5.58%) in 2:1 solvent to substrates molar ratio, with enzyme concentration of 5 wt%, at 70 A degrees C and anhydride to alcohol molar ratio of 1:1 using Ho-Sho essential oil as substrate.
引用
收藏
页码：583 / 589
页数：7
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