Lactose conversion and the synthesis of galactooligosaccharides in a simultaneous lagged bioprocess using β-galactosidases and probiotic microorganisms

Detalhes bibliográficos
Autor(a) principal: Martins, André Rosa
Data de Publicação: 2011
Outros Autores: Manera, Ana Paula, Monteiro, Ricardo Lemos, Burkert, Janaina Fernandes de Medeiros, Burkert, Carlos André Veiga
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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spelling 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
instname_str Universidade Federal do Rio Grande (FURG)
instacron_str FURG
institution FURG
reponame_str Repositório Institucional da FURG (RI FURG)
collection 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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