Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Química Nova (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000800019 |
Resumo: | The shells of Macrobrachium rosenbergii were submitted to deproteinization (Dp) and demineralization (Dm) aiming the extraction of α-chitin. The different parts of the shells were processed independently by carrying out sequence 1 (Dp/Dm) and sequence 2 (Dm/Dp). Both sequences allowed the extraction of chitins with low contents of calcium and magnesium, regardless of the part being processed. The sequence 1 lead to higher extraction yields while sequence 2 resulted in lower contents of inorganic compounds. Extensively deacetylated chitosans (GA<10%) of medium molecular weight (0,9 x 10(5) < Mv < 2 x 10(5) g/mol) resulted from the deacetylation of chitin. |
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Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergiibiomasschitinchitosanThe shells of Macrobrachium rosenbergii were submitted to deproteinization (Dp) and demineralization (Dm) aiming the extraction of α-chitin. The different parts of the shells were processed independently by carrying out sequence 1 (Dp/Dm) and sequence 2 (Dm/Dp). Both sequences allowed the extraction of chitins with low contents of calcium and magnesium, regardless of the part being processed. The sequence 1 lead to higher extraction yields while sequence 2 resulted in lower contents of inorganic compounds. Extensively deacetylated chitosans (GA<10%) of medium molecular weight (0,9 x 10(5) < Mv < 2 x 10(5) g/mol) resulted from the deacetylation of chitin.Sociedade Brasileira de Química2008-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000800019Química Nova v.31 n.8 2008reponame:Química Nova (Online)instname:Sociedade Brasileira de Química (SBQ)instacron:SBQ10.1590/S0100-40422008000800019info:eu-repo/semantics/openAccessBattisti,Marcos ValérioCampana-Filho,Sergio P.por2009-01-16T00:00:00Zoai:scielo:S0100-40422008000800019Revistahttps://www.scielo.br/j/qn/ONGhttps://old.scielo.br/oai/scielo-oai.phpquimicanova@sbq.org.br1678-70640100-4042opendoar:2009-01-16T00:00Química Nova (Online) - Sociedade Brasileira de Química (SBQ)false |
dc.title.none.fl_str_mv |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
title |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
spellingShingle |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii Battisti,Marcos Valério biomass chitin chitosan |
title_short |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
title_full |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
title_fullStr |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
title_full_unstemmed |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
title_sort |
Obtenção e caracterização de α-quitina e quitosanas de cascas de Macrobrachium rosembergii |
author |
Battisti,Marcos Valério |
author_facet |
Battisti,Marcos Valério Campana-Filho,Sergio P. |
author_role |
author |
author2 |
Campana-Filho,Sergio P. |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Battisti,Marcos Valério Campana-Filho,Sergio P. |
dc.subject.por.fl_str_mv |
biomass chitin chitosan |
topic |
biomass chitin chitosan |
description |
The shells of Macrobrachium rosenbergii were submitted to deproteinization (Dp) and demineralization (Dm) aiming the extraction of α-chitin. The different parts of the shells were processed independently by carrying out sequence 1 (Dp/Dm) and sequence 2 (Dm/Dp). Both sequences allowed the extraction of chitins with low contents of calcium and magnesium, regardless of the part being processed. The sequence 1 lead to higher extraction yields while sequence 2 resulted in lower contents of inorganic compounds. Extensively deacetylated chitosans (GA<10%) of medium molecular weight (0,9 x 10(5) < Mv < 2 x 10(5) g/mol) resulted from the deacetylation of chitin. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000800019 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422008000800019 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
10.1590/S0100-40422008000800019 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
publisher.none.fl_str_mv |
Sociedade Brasileira de Química |
dc.source.none.fl_str_mv |
Química Nova v.31 n.8 2008 reponame:Química Nova (Online) instname:Sociedade Brasileira de Química (SBQ) instacron:SBQ |
instname_str |
Sociedade Brasileira de Química (SBQ) |
instacron_str |
SBQ |
institution |
SBQ |
reponame_str |
Química Nova (Online) |
collection |
Química Nova (Online) |
repository.name.fl_str_mv |
Química Nova (Online) - Sociedade Brasileira de Química (SBQ) |
repository.mail.fl_str_mv |
quimicanova@sbq.org.br |
_version_ |
1750318108355067904 |