Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da FURG (RI FURG) |
Texto Completo: | http://repositorio.furg.br/handle/1/1649 |
Resumo: | Lactose conversion and the production of galactooligosaccharides (GOS) were evaluated in a simultaneous bioprocess using probiotic microorganisms and the addition of β-galactosidases, lagged or otherwise. The fermentation was carried out using normal yogurt cultures, Streptococcus thermophilus and Lactobacillus bulgaricus, associated with two probiotic microorganisms, Bifidobacterium animalis and Lactobacillus acidophilus. An enzymatic preparation containing β-galactosidases of distinct origins, obtained from Kluyveromyces lactis and Aspergillus niger was used. The simultaneous bioprocess was evaluated, varying the initial lactose and enzyme concentrations and also the time of addition of the enzymes, with a lag in the enzyme application in relation to the beginning of fermentation. The results indicated a positive impact on lactose conversion, reducing the disaccharide concentration by between 97.7 and 99.7%, as compared to 13.8 and 19.8% in fermentations without enzyme addition, obtaining between 2.7 and 4.2 g.L-1 GOS in the lagged processes carried out with the highest initial lactose concentration and the addition of the lowest enzyme concentration. |
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Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganismsConversão da lactose e síntese de galacto-oligossacarídeos em bioprocesso simultâneo defasado com β-galactosidases e microrganismos probióticosEnzyme catalysisLactose conversionLactic fermentationGOSCatálise enzimáticaConversão da lactoseFermentação láticaGOSLactose conversion and the production of galactooligosaccharides (GOS) were evaluated in a simultaneous bioprocess using probiotic microorganisms and the addition of β-galactosidases, lagged or otherwise. The fermentation was carried out using normal yogurt cultures, Streptococcus thermophilus and Lactobacillus bulgaricus, associated with two probiotic microorganisms, Bifidobacterium animalis and Lactobacillus acidophilus. An enzymatic preparation containing β-galactosidases of distinct origins, obtained from Kluyveromyces lactis and Aspergillus niger was used. The simultaneous bioprocess was evaluated, varying the initial lactose and enzyme concentrations and also the time of addition of the enzymes, with a lag in the enzyme application in relation to the beginning of fermentation. The results indicated a positive impact on lactose conversion, reducing the disaccharide concentration by between 97.7 and 99.7%, as compared to 13.8 and 19.8% in fermentations without enzyme addition, obtaining between 2.7 and 4.2 g.L-1 GOS in the lagged processes carried out with the highest initial lactose concentration and the addition of the lowest enzyme concentration.Em bioprocesso simultâneo conduzido por microrganismos probióticos e através da adição, defasada ou não, de β-galactosidases, foram avaliadas a redução da lactose e a obtenção de galacto-oligossacarídeos (GOS). A fermentação foi conduzida por culturas características de iogurte, Lactobacillus bulgaricus e Streptococcus thermophilus, associadas a dois microrganismos probióticos, Bifidobacterium animalis e Lactobacillus acidophilus. Foi utilizado um preparado enzimático contendo β galactosidases de origens distintas, obtidas de Kluyveromyces lactis e de Aspergillus niger. O bioprocesso simultâneo foi avaliado variando as concentrações iniciais de lactose e de enzima, e o tempo de adição da enzima, caracterizando uma defasagem na aplicação da enzima em relação ao início da fermentação. Os resultados indicaram um impacto positivo na conversão da lactose, reduzindo entre 97,7 e 99,7% a concentração desse dissacarídeo, em comparação com 13,8 e 19,8% nas fermentações sem adição de enzima, bem como a obtenção de GOS entre 2,7 e 4,2 g.L-1 nos processos defasados realizados com concentração inicial máxima de lactose e com concentração mínima de enzima adicionada.2011-12-29T21:38:47Z2011-12-29T21:38:47Z2011info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfMARTINS, André Rosa et al. Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms. Brazilian journal of food technology, Campinas, v. 14, n. 2, p. 130-136, abr./jun. 2011. Disponível em: <http://www.ital.sp.gov.br/bj/artigos/html/busca/PDF/v14n2454a.pdf>. Acesso em: 26 dez. 2011.http://repositorio.furg.br/handle/1/164910.4260/BJFT2011140200017engMartins, André RosaManera, Ana PaulaMonteiro, Ricardo LemosBurkert, Janaina Fernandes de MedeirosBurkert, Carlos André Veigainfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FURG (RI FURG)instname:Universidade Federal do Rio Grande (FURG)instacron:FURG2014-08-29T18:02:05Zoai:repositorio.furg.br:1/1649Repositório InstitucionalPUBhttps://repositorio.furg.br/oai/request || http://200.19.254.174/oai/requestopendoar:2014-08-29T18:02:05Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG)false |
dc.title.none.fl_str_mv |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms Conversão da lactose e síntese de galacto-oligossacarídeos em bioprocesso simultâneo defasado com β-galactosidases e microrganismos probióticos |
title |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
spellingShingle |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms Martins, André Rosa Enzyme catalysis Lactose conversion Lactic fermentation GOS Catálise enzimática Conversão da lactose Fermentação lática GOS |
title_short |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
title_full |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
title_fullStr |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
title_full_unstemmed |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
title_sort |
Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms |
author |
Martins, André Rosa |
author_facet |
Martins, André Rosa Manera, Ana Paula Monteiro, Ricardo Lemos Burkert, Janaina Fernandes de Medeiros Burkert, Carlos André Veiga |
author_role |
author |
author2 |
Manera, Ana Paula Monteiro, Ricardo Lemos Burkert, Janaina Fernandes de Medeiros Burkert, Carlos André Veiga |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Martins, André Rosa Manera, Ana Paula Monteiro, Ricardo Lemos Burkert, Janaina Fernandes de Medeiros Burkert, Carlos André Veiga |
dc.subject.por.fl_str_mv |
Enzyme catalysis Lactose conversion Lactic fermentation GOS Catálise enzimática Conversão da lactose Fermentação lática GOS |
topic |
Enzyme catalysis Lactose conversion Lactic fermentation GOS Catálise enzimática Conversão da lactose Fermentação lática GOS |
description |
Lactose conversion and the production of galactooligosaccharides (GOS) were evaluated in a simultaneous bioprocess using probiotic microorganisms and the addition of β-galactosidases, lagged or otherwise. The fermentation was carried out using normal yogurt cultures, Streptococcus thermophilus and Lactobacillus bulgaricus, associated with two probiotic microorganisms, Bifidobacterium animalis and Lactobacillus acidophilus. An enzymatic preparation containing β-galactosidases of distinct origins, obtained from Kluyveromyces lactis and Aspergillus niger was used. The simultaneous bioprocess was evaluated, varying the initial lactose and enzyme concentrations and also the time of addition of the enzymes, with a lag in the enzyme application in relation to the beginning of fermentation. The results indicated a positive impact on lactose conversion, reducing the disaccharide concentration by between 97.7 and 99.7%, as compared to 13.8 and 19.8% in fermentations without enzyme addition, obtaining between 2.7 and 4.2 g.L-1 GOS in the lagged processes carried out with the highest initial lactose concentration and the addition of the lowest enzyme concentration. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-12-29T21:38:47Z 2011-12-29T21:38:47Z 2011 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
MARTINS, André Rosa et al. Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms. Brazilian journal of food technology, Campinas, v. 14, n. 2, p. 130-136, abr./jun. 2011. Disponível em: <http://www.ital.sp.gov.br/bj/artigos/html/busca/PDF/v14n2454a.pdf>. Acesso em: 26 dez. 2011. http://repositorio.furg.br/handle/1/1649 10.4260/BJFT2011140200017 |
identifier_str_mv |
MARTINS, André Rosa et al. Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms. Brazilian journal of food technology, Campinas, v. 14, n. 2, p. 130-136, abr./jun. 2011. Disponível em: <http://www.ital.sp.gov.br/bj/artigos/html/busca/PDF/v14n2454a.pdf>. Acesso em: 26 dez. 2011. 10.4260/BJFT2011140200017 |
url |
http://repositorio.furg.br/handle/1/1649 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da FURG (RI FURG) instname:Universidade Federal do Rio Grande (FURG) instacron:FURG |
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Universidade Federal do Rio Grande (FURG) |
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FURG |
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FURG |
reponame_str |
Repositório Institucional da FURG (RI FURG) |
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Repositório Institucional da FURG (RI FURG) |
repository.name.fl_str_mv |
Repositório Institucional da FURG (RI FURG) - Universidade Federal do Rio Grande (FURG) |
repository.mail.fl_str_mv |
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1822808159990841344 |