Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain
Autor(a) principal: | |
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Data de Publicação: | 2012 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UFBA |
Texto Completo: | http://repositorio.ufba.br/ri/handle/ri/15745 |
Resumo: | p. 495-507 |
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Paulo, Elinalva M.Boffo, Elisangela FabianaBranco, AlexsandroValente, Ângela M. M. P.Melo, Itamar Soares deFerreira, Antonio G.Roque, Milton R. A.Assis, Sandra Aparecida dePaulo, Elinalva M.Boffo, Elisangela FabianaBranco, AlexsandroValente, Ângela M. M. P.Melo, Itamar Soares deFerreira, Antonio G.Roque, Milton R. A.Assis, Sandra Aparecida de2014-09-01T11:50:39Z2014-09-01T11:50:39Z20120001-3765http://repositorio.ufba.br/ri/handle/ri/15745v. 84, n. 2p. 495-507The genus Leuconostoc belongs to a group of lactic acid bacteria usually isolated from fermented vegetables, which includes species involved in the production of exopolysaccharides (EPS). These biopolymers possess considerable commercial potential. Because of the wide variety of industrial applications of EPS, this study aimed to produce and characterize the native exopolysaccharide strain Leuconostoc pseudomesenteroides R2, which was isolated from cabbage collected in a semi-arid region of Bahia. We employed the following conditions for the production of EPS: 10.7% sucrose, pH 8.2, without agitation and incubation at 28ºC for 30 hours. The fermentation broth was treated with ethanol and generated two types of polysaccharide substances (EPS I and EPS II). The identification of EPS I and EPS II was conducted using FT-IR, 1H, 13C and DEPT-135 NMR spectra. The two substances were identified as linear dextran α polysaccharides (1 → 6) which indicated different characteristics with respect to thermal analysis and density of free packaging, viscosity and time of solubilization. Both dextrans are of low density, possess high thermal stability and exhibited the behavior characteristic of pseudoplastic polymers.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-09-01T11:50:38Z No. of bitstreams: 1 Elinalva M. Paulo.pdf: 47432280 bytes, checksum: b8882cad6903d59b1fd1ead132e1c5af (MD5)Made available in DSpace on 2014-09-01T11:50:39Z (GMT). No. of bitstreams: 1 Elinalva M. Paulo.pdf: 47432280 bytes, checksum: b8882cad6903d59b1fd1ead132e1c5af (MD5) Previous issue date: 2012http://dx.doi.org/10.1590/S0001-37652012000200018reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBALeuconostoc pseudomesenteroidesExopolysaccharidePolymerDextranProduction, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strainAnais da Academia Brasileira de Ciênciasinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleBrasilinfo:eu-repo/semantics/openAccessengLICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/15745/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52ORIGINALElinalva M. Paulo.pdfElinalva M. Paulo.pdfapplication/pdf47432280https://repositorio.ufba.br/bitstream/ri/15745/1/Elinalva%20M.%20Paulo.pdfb8882cad6903d59b1fd1ead132e1c5afMD51TEXTElinalva M. Paulo.pdf.txtElinalva M. 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dc.title.pt_BR.fl_str_mv |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
dc.title.alternative.pt_BR.fl_str_mv |
Anais da Academia Brasileira de Ciências |
title |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
spellingShingle |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain Paulo, Elinalva M. Leuconostoc pseudomesenteroides Exopolysaccharide Polymer Dextran |
title_short |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
title_full |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
title_fullStr |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
title_full_unstemmed |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
title_sort |
Production, extraction and characterization of exopolysaccharides produced by the native Leuconostoc pseudomesenteroides R2 strain |
author |
Paulo, Elinalva M. |
author_facet |
Paulo, Elinalva M. Boffo, Elisangela Fabiana Branco, Alexsandro Valente, Ângela M. M. P. Melo, Itamar Soares de Ferreira, Antonio G. Roque, Milton R. A. Assis, Sandra Aparecida de |
author_role |
author |
author2 |
Boffo, Elisangela Fabiana Branco, Alexsandro Valente, Ângela M. M. P. Melo, Itamar Soares de Ferreira, Antonio G. Roque, Milton R. A. Assis, Sandra Aparecida de |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Paulo, Elinalva M. Boffo, Elisangela Fabiana Branco, Alexsandro Valente, Ângela M. M. P. Melo, Itamar Soares de Ferreira, Antonio G. Roque, Milton R. A. Assis, Sandra Aparecida de Paulo, Elinalva M. Boffo, Elisangela Fabiana Branco, Alexsandro Valente, Ângela M. M. P. Melo, Itamar Soares de Ferreira, Antonio G. Roque, Milton R. A. Assis, Sandra Aparecida de |
dc.subject.por.fl_str_mv |
Leuconostoc pseudomesenteroides Exopolysaccharide Polymer Dextran |
topic |
Leuconostoc pseudomesenteroides Exopolysaccharide Polymer Dextran |
description |
p. 495-507 |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012 |
dc.date.accessioned.fl_str_mv |
2014-09-01T11:50:39Z |
dc.date.available.fl_str_mv |
2014-09-01T11:50:39Z |
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 |
http://repositorio.ufba.br/ri/handle/ri/15745 |
dc.identifier.issn.none.fl_str_mv |
0001-3765 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 84, n. 2 |
identifier_str_mv |
0001-3765 v. 84, n. 2 |
url |
http://repositorio.ufba.br/ri/handle/ri/15745 |
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.publisher.country.fl_str_mv |
Brasil |
dc.source.pt_BR.fl_str_mv |
http://dx.doi.org/10.1590/S0001-37652012000200018 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
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Universidade Federal da Bahia (UFBA) |
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UFBA |
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UFBA |
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Repositório Institucional da UFBA |
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Repositório Institucional da UFBA |
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