Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3
The production of ethyl esters by alcoholysis is an alternative for splitting triacylglycerols due to the possibility of using low temperatures, which results in oxidative protection of the polyunsaturated fatty acids. Ethyl esters produced under mild conditions of temperature could be used as subst...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Sociedade Brasileira de Química
2006-01-01
|
| Series: | Química Nova |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000500013 |
| _version_ | 1811282095489679360 |
|---|---|
| author | Moura Juliana Maria Leite Nóbrega de Gonçalves Lireny Aparecida Guaraldo Grimaldi Renato Soares Marinalda da Silva Ribeiro Ana Paula Badan |
| author_facet | Moura Juliana Maria Leite Nóbrega de Gonçalves Lireny Aparecida Guaraldo Grimaldi Renato Soares Marinalda da Silva Ribeiro Ana Paula Badan |
| author_sort | Moura Juliana Maria Leite Nóbrega de |
| collection | DOAJ |
| description | The production of ethyl esters by alcoholysis is an alternative for splitting triacylglycerols due to the possibility of using low temperatures, which results in oxidative protection of the polyunsaturated fatty acids. Ethyl esters produced under mild conditions of temperature could be used as substrate for obtaining structured lipids. The reaction parameters of production of ethyl esters from fish oil with high content of omega-3 fatty acids by alcoholysis were optimized using response surface methodology. An experimental design (2³) (with levels +1 and -1, six axial points with levels -alpha and +alpha and three central points) was applied. The variables investigated were concentration of catalyst, amount of ethyl alcohol and temperature. Ethyl ester conversion was monitored by high performance size exclusion chromatography (HPSEC) and the best result obtained was 95% conversion rate. The optimal conditions were 40 degreesC, 1% of NaOH and 36% of ethanol. |
| first_indexed | 2024-04-13T01:45:29Z |
| format | Article |
| id | doaj.art-a489bd3376aa4e4095f4926a338dcf94 |
| institution | Directory Open Access Journal |
| issn | 0100-4042 1678-7064 |
| language | English |
| last_indexed | 2024-04-13T01:45:29Z |
| publishDate | 2006-01-01 |
| publisher | Sociedade Brasileira de Química |
| record_format | Article |
| series | Química Nova |
| spelling | doaj.art-a489bd3376aa4e4095f4926a338dcf942022-12-22T03:08:03ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642006-01-01295956959Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3Moura Juliana Maria Leite Nóbrega deGonçalves Lireny Aparecida GuaraldoGrimaldi RenatoSoares Marinalda da SilvaRibeiro Ana Paula BadanThe production of ethyl esters by alcoholysis is an alternative for splitting triacylglycerols due to the possibility of using low temperatures, which results in oxidative protection of the polyunsaturated fatty acids. Ethyl esters produced under mild conditions of temperature could be used as substrate for obtaining structured lipids. The reaction parameters of production of ethyl esters from fish oil with high content of omega-3 fatty acids by alcoholysis were optimized using response surface methodology. An experimental design (2³) (with levels +1 and -1, six axial points with levels -alpha and +alpha and three central points) was applied. The variables investigated were concentration of catalyst, amount of ethyl alcohol and temperature. Ethyl ester conversion was monitored by high performance size exclusion chromatography (HPSEC) and the best result obtained was 95% conversion rate. The optimal conditions were 40 degreesC, 1% of NaOH and 36% of ethanol.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000500013ethyl estersalcoholysishigh performance size exclusion chromatography |
| spellingShingle | Moura Juliana Maria Leite Nóbrega de Gonçalves Lireny Aparecida Guaraldo Grimaldi Renato Soares Marinalda da Silva Ribeiro Ana Paula Badan Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 Química Nova ethyl esters alcoholysis high performance size exclusion chromatography |
| title | Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 |
| title_full | Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 |
| title_fullStr | Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 |
| title_full_unstemmed | Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 |
| title_short | Otimização das condições de produção de ésteres etílicos a partir de óleo de peixe com elevado teor de ácidos graxos ômega-3 |
| title_sort | otimizacao das condicoes de producao de esteres etilicos a partir de oleo de peixe com elevado teor de acidos graxos omega 3 |
| topic | ethyl esters alcoholysis high performance size exclusion chromatography |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422006000500013 |
| work_keys_str_mv | AT mourajulianamarialeitenobregade otimizacaodascondicoesdeproducaodeesteresetilicosapartirdeoleodepeixecomelevadoteordeacidosgraxosomega3 AT goncalveslirenyaparecidaguaraldo otimizacaodascondicoesdeproducaodeesteresetilicosapartirdeoleodepeixecomelevadoteordeacidosgraxosomega3 AT grimaldirenato otimizacaodascondicoesdeproducaodeesteresetilicosapartirdeoleodepeixecomelevadoteordeacidosgraxosomega3 AT soaresmarinaldadasilva otimizacaodascondicoesdeproducaodeesteresetilicosapartirdeoleodepeixecomelevadoteordeacidosgraxosomega3 AT ribeiroanapaulabadan otimizacaodascondicoesdeproducaodeesteresetilicosapartirdeoleodepeixecomelevadoteordeacidosgraxosomega3 |