Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais
Autor(a) principal: | |
---|---|
Data de Publicação: | 2009 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Química Nova (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900005 |
Resumo: | Isoamyl butyrate production was investigated using free and immobilized lipases by esterification of butyric acid with isoamyl alcohol in a solvent-free system and in an organic media. Among the enzymes studied, Lipozyme TL IM was found to be the most active catalyst in n-hexane as a solvent. The effects of different solvents and the amount of water added on conversion rates were studied. A maximum conversion yield of 80% in n-hexano at 48 h was obtained under the following conditions: 3 g L-1 of Lipozyme TL IM, 30 ºC, 180 rpm of agitation, isoamyl alcohol to butyric acid molar ratio of 1:1 and acid substrate concentration of 0.06 M. |
id |
SBQ-3_797daa0f29cb0175a23fae0f0f682173 |
---|---|
oai_identifier_str |
oai:scielo:S0100-40422009000900005 |
network_acronym_str |
SBQ-3 |
network_name_str |
Química Nova (Online) |
repository_id_str |
|
spelling |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciaisenzymatic esterificationorganic medialipaseIsoamyl butyrate production was investigated using free and immobilized lipases by esterification of butyric acid with isoamyl alcohol in a solvent-free system and in an organic media. Among the enzymes studied, Lipozyme TL IM was found to be the most active catalyst in n-hexane as a solvent. The effects of different solvents and the amount of water added on conversion rates were studied. A maximum conversion yield of 80% in n-hexano at 48 h was obtained under the following conditions: 3 g L-1 of Lipozyme TL IM, 30 ºC, 180 rpm of agitation, isoamyl alcohol to butyric acid molar ratio of 1:1 and acid substrate concentration of 0.06 M.Sociedade Brasileira de Química2009-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900005Química Nova v.32 n.9 2009reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422009000900005info:eu-repo/semantics/openAccessAragão,Vitor CardosoAnschau,AndréiaPorciuncula,Barbara Daniele AlmeidaThiesen,CleidiKalil,Susana JulianoBurkert,Carlos André VeigaBurkert,Janaína Fernandes de Medeirospor2010-01-06T00:00:00Zoai:scielo:S0100-40422009000900005Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2010-01-06T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
title |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
spellingShingle |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais Aragão,Vitor Cardoso enzymatic esterification organic media lipase |
title_short |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
title_full |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
title_fullStr |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
title_full_unstemmed |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
title_sort |
Síntese enzimática de butirato de isoamila empregando lipases microbianas comerciais |
author |
Aragão,Vitor Cardoso |
author_facet |
Aragão,Vitor Cardoso Anschau,Andréia Porciuncula,Barbara Daniele Almeida Thiesen,Cleidi Kalil,Susana Juliano Burkert,Carlos André Veiga Burkert,Janaína Fernandes de Medeiros |
author_role |
author |
author2 |
Anschau,Andréia Porciuncula,Barbara Daniele Almeida Thiesen,Cleidi Kalil,Susana Juliano Burkert,Carlos André Veiga Burkert,Janaína Fernandes de Medeiros |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Aragão,Vitor Cardoso Anschau,Andréia Porciuncula,Barbara Daniele Almeida Thiesen,Cleidi Kalil,Susana Juliano Burkert,Carlos André Veiga Burkert,Janaína Fernandes de Medeiros |
dc.subject.por.fl_str_mv |
enzymatic esterification organic media lipase |
topic |
enzymatic esterification organic media lipase |
description |
Isoamyl butyrate production was investigated using free and immobilized lipases by esterification of butyric acid with isoamyl alcohol in a solvent-free system and in an organic media. Among the enzymes studied, Lipozyme TL IM was found to be the most active catalyst in n-hexane as a solvent. The effects of different solvents and the amount of water added on conversion rates were studied. A maximum conversion yield of 80% in n-hexano at 48 h was obtained under the following conditions: 3 g L-1 of Lipozyme TL IM, 30 ºC, 180 rpm of agitation, isoamyl alcohol to butyric acid molar ratio of 1:1 and acid substrate concentration of 0.06 M. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900005 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900005 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
10.1590/S0100-40422009000900005 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
dc.source.none.fl_str_mv |
Química Nova v.32 n.9 2009 reponame:Química Nova (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Química Nova (Online) |
collection |
Química Nova (Online) |
repository.name.fl_str_mv |
Química Nova (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
quimicanova@sbq.org.br |
_version_ |
1750318109897523200 |