lipozyme im
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2010 ◽  
Vol 30 (1) ◽  
pp. 76-78 ◽  
Author(s):  
Clarissa Dalla Rosa ◽  
Débora de Oliveira ◽  
José Vladimir Oliveira

This research note addresses the role of organic solvent amount in the production of fatty acid ethyl esters from soybean oil. N-hexane was chosen as solvent and two commercial immobilized lipases as catalysts, Novozym 435 and Lipozyme IM. The reactions were conducted in 6 hours, varying the solvent to oil ratio from zero to 50 (v/wt) and adopting adopting for Novozym 435: 65 ºC, enzyme concentration (E, wt%) = 5, oil to ethanol molar ratio (R) = 1:10, water addition (H, wt%) = 0, and for Lipozyme IM: 35 ºC, E = 5 wt%, R = 1:3, H = 10 wt%. For Lipozyme IM, an increase in solvent amount is shown to lead to an enhancement of reaction conversion, while a negligible effect was found for Novozym 435. When using 30 mL of solvent the reaction conversions were 88% for Lipozyme IM and 15% for Novozym 435.


2007 ◽  
Vol 62 (12) ◽  
pp. 3127-3141 ◽  
Author(s):  
Fernando Camacho ◽  
Alfonso Robles ◽  
Belén Camacho ◽  
Pedro A. González ◽  
Luis Esteban ◽  
...  

2006 ◽  
Vol 54 (19) ◽  
pp. 7125-7129 ◽  
Author(s):  
Shu-Wei Chang ◽  
Jei-Fu Shaw ◽  
Chih-Han Shieh ◽  
Chwen-Jen Shieh

2000 ◽  
Vol 52 (6-7) ◽  
pp. 221-228 ◽  
Author(s):  
Hong Zhang ◽  
Xuebing Xu ◽  
Huiling Mu ◽  
Jörgen Nilsson ◽  
Jens Adler-Nissen ◽  
...  

Author(s):  
Hong Zhang ◽  
Xuebing Xu ◽  
Huiling Mu ◽  
Jörgen Nilsson ◽  
Jens Adler-Nissen ◽  
...  

1999 ◽  
Vol 10 (21) ◽  
pp. 4115-4122 ◽  
Author(s):  
Sandeep R Ghorpade ◽  
Kulbhushan B Bastawade ◽  
Digambar V Gokhale ◽  
Popat D Shinde ◽  
Vishal A Mahajan ◽  
...  

1997 ◽  
Vol 46 (8) ◽  
pp. 867-872,936 ◽  
Author(s):  
Masayo ONO ◽  
Masashi HOSOKAWA ◽  
Yoshikazu INOUE ◽  
Koretaro TAKAHASHI

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