Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS
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/15705 |
Resumo: | Texto completo: acesso restrito. p. 272–276 |
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Martínez, Maria SánchezSilva, Erik Galvão Paranhos daCorona, Teresa PérezCámara, CarmenFerreira, Sergio Luis CostaMadrid, YolandaMartínez, Maria SánchezSilva, Erik Galvão Paranhos daCorona, Teresa PérezCámara, CarmenFerreira, Sergio Luis CostaMadrid, Yolanda2014-08-26T13:03:49Z20120039-9140http://repositorio.ufba.br/ri/handle/ri/15705v. 88, n. 15Texto completo: acesso restrito. p. 272–276Yeast (Saccharomyces cerevisiae) and lactic bacteria have shown their ability to accumulate and transform inorganic selenium into organo Se compounds. The objective of this work was to evaluate selenium biotransformation during brewing by using S. cerevisiae and Saccharomyces uvarum for Ale and Lager fermentation, respectively. Se-enriched beer was produced by the addition of sodium selenite (0, 0.2, 1.0, 2.0, 10.0, 20.0 μg Se mL−1, respectively) to the fermentation media composed of yeast, malt extract and water. The alcoholic fermentation process was not affected by the presence of selenium regardless of the type of Saccharomyces being used. The percentage of selenium incorporated into beer, added between 1.0 and 10 μg mL−1 was 55–60% of the selenium initially present. Se-compounds in post-fermentation (beer and yeast) products were investigated by using an analytical methodology based on HPLC–ICP-MS. For this purpose, several sample treatments, including ultrasonic-assisted enzymatic hydrolysis, in conjunction with different separation mechanisms like dialysis and anion exchange HPLC chromatography were applied for unambiguously identifying Se-species that produce during brewing. Selenomethionine was the main selenium compound identified in beer and yeast, being this species in the only case of the former not associated to peptides or proteins.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2014-08-26T13:03:49Z No. of bitstreams: 1 Maria Sánchez Martínez.pdf: 259346 bytes, checksum: fa7bcb9a92ae9ffd3eeab812db211e1c (MD5)Made available in DSpace on 2014-08-26T13:03:49Z (GMT). No. of bitstreams: 1 Maria Sánchez Martínez.pdf: 259346 bytes, checksum: fa7bcb9a92ae9ffd3eeab812db211e1c (MD5) Previous issue date: 2012http://dx.doi.org/ 10.1016/j.talanta.2011.10.041reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBABiotransformationSeleniumBeerHPLC–ICP-MSSelenite biotransformation during brewing. 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dc.title.pt_BR.fl_str_mv |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
dc.title.alternative.pt_BR.fl_str_mv |
Talanta |
title |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
spellingShingle |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS Martínez, Maria Sánchez Biotransformation Selenium Beer HPLC–ICP-MS |
title_short |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
title_full |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
title_fullStr |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
title_full_unstemmed |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
title_sort |
Selenite biotransformation during brewing. Evaluation by HPLC–ICP-MS |
author |
Martínez, Maria Sánchez |
author_facet |
Martínez, Maria Sánchez Silva, Erik Galvão Paranhos da Corona, Teresa Pérez Cámara, Carmen Ferreira, Sergio Luis Costa Madrid, Yolanda |
author_role |
author |
author2 |
Silva, Erik Galvão Paranhos da Corona, Teresa Pérez Cámara, Carmen Ferreira, Sergio Luis Costa Madrid, Yolanda |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Martínez, Maria Sánchez Silva, Erik Galvão Paranhos da Corona, Teresa Pérez Cámara, Carmen Ferreira, Sergio Luis Costa Madrid, Yolanda Martínez, Maria Sánchez Silva, Erik Galvão Paranhos da Corona, Teresa Pérez Cámara, Carmen Ferreira, Sergio Luis Costa Madrid, Yolanda |
dc.subject.por.fl_str_mv |
Biotransformation Selenium Beer HPLC–ICP-MS |
topic |
Biotransformation Selenium Beer HPLC–ICP-MS |
description |
Texto completo: acesso restrito. p. 272–276 |
publishDate |
2012 |
dc.date.issued.fl_str_mv |
2012 |
dc.date.accessioned.fl_str_mv |
2014-08-26T13:03:49Z |
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/15705 |
dc.identifier.issn.none.fl_str_mv |
0039-9140 |
dc.identifier.number.pt_BR.fl_str_mv |
v. 88, n. 15 |
identifier_str_mv |
0039-9140 v. 88, n. 15 |
url |
http://repositorio.ufba.br/ri/handle/ri/15705 |
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.source.pt_BR.fl_str_mv |
http://dx.doi.org/ 10.1016/j.talanta.2011.10.041 |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da UFBA instname:Universidade Federal da Bahia (UFBA) instacron:UFBA |
instname_str |
Universidade Federal da Bahia (UFBA) |
instacron_str |
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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