Mineral composition of wheat flour consumed in Brazilian cities

Detalhes bibliográficos
Autor(a) principal: Araujo, Rennan Geovanny Oliveira
Data de Publicação: 2008
Outros Autores: Macedo, Samuel Marques, Korn, Maria das Graças Andrade, Pimentel, Maria Fernanda, Bruns, Roy Edward, Ferreira, Sergio Luis Costa
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/4969
Resumo: p. 935-942.
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spelling Araujo, Rennan Geovanny OliveiraMacedo, Samuel MarquesKorn, Maria das Graças AndradePimentel, Maria FernandaBruns, Roy EdwardFerreira, Sergio Luis CostaAraujo, Rennan Geovanny OliveiraMacedo, Samuel MarquesKorn, Maria das Graças AndradePimentel, Maria FernandaBruns, Roy EdwardFerreira, Sergio Luis Costa2011-12-21T17:29:44Z2011-12-21T17:29:44Z20080103-5053http://www.repositorio.ufba.br/ri/handle/ri/4969v. 19, n. 5.p. 935-942.Neste trabalho, foi avaliada a composição mineral da farinha de trigo consumida no Brasil. Na etapa de amostragem foram coletadas 54 amostras em 15 cidades, incluindo as principais cidades brasileiras como: São Paulo, Rio de Janeiro, Salvador, Porto Alegre, Recife e outras. Os elementos determinados foram: cálcio, cobre, magnésio, manganês, ferro, fósforo, potássio e zinco. As amostras foram digeridas usando acido nítrico e peróxido de hidrogênio em sistema aberto. A técnica analítica empregada foi a espectrometria de emissão óptica com plasma indutivamente acoplado (ICP OES). A validação do método (incluindo digestão e determinação) foi confirmada usando um material de referência certificado de farinha de trigo fornecido pelo National Institute of Standards & Technology (NIST). Considerando as 54 amostras analisadas, os resultados demonstraram que os macronutrientes: cálcio, magnésio, potássio e fósforo encontram-se em média de 0,27; 0,35; 1,71 e 1,92 mg g-1, com variação da concentração de 0,11-1,96; 0,19-0,51; 0,76-3,16 e 0,81-7,15 mg g-1, respectivamente. Os micronutrientes: cobre, ferro, manganês e zinco encontram-se em média de 1,84; 37,82; 8,25 e 9,41 µg g-1, com a variação de concentração de 1,00-2,80; 10,46-146,58; 3,89-14,74 e 5,07-13,93 µg g-1, respectivamente. Os resultados foram também avaliados usando as técnicas de análise multivariadas: análise de componente principal (PCA) e análise de agrupamento hierárquico (HCA).Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2011-12-21T17:29:44Z No. of bitstreams: 1 a19v19n5.pdf: 207455 bytes, checksum: ff36aaa3d37163ccea6c2e79f6f5ef0f (MD5)Made available in DSpace on 2011-12-21T17:29:44Z (GMT). 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dc.title.pt_BR.fl_str_mv Mineral composition of wheat flour consumed in Brazilian cities
dc.title.alternative.pt_BR.fl_str_mv Journal of the Brazilian Chemical Society
title Mineral composition of wheat flour consumed in Brazilian cities
spellingShingle Mineral composition of wheat flour consumed in Brazilian cities
Araujo, Rennan Geovanny Oliveira
Wheat flour
Minerals
Brazilian cities
ICP OES
Principal component analysis (PCA)
Hierarchical cluster analysis (HCA)
title_short Mineral composition of wheat flour consumed in Brazilian cities
title_full Mineral composition of wheat flour consumed in Brazilian cities
title_fullStr Mineral composition of wheat flour consumed in Brazilian cities
title_full_unstemmed Mineral composition of wheat flour consumed in Brazilian cities
title_sort Mineral composition of wheat flour consumed in Brazilian cities
author Araujo, Rennan Geovanny Oliveira
author_facet Araujo, Rennan Geovanny Oliveira
Macedo, Samuel Marques
Korn, Maria das Graças Andrade
Pimentel, Maria Fernanda
Bruns, Roy Edward
Ferreira, Sergio Luis Costa
author_role author
author2 Macedo, Samuel Marques
Korn, Maria das Graças Andrade
Pimentel, Maria Fernanda
Bruns, Roy Edward
Ferreira, Sergio Luis Costa
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Araujo, Rennan Geovanny Oliveira
Macedo, Samuel Marques
Korn, Maria das Graças Andrade
Pimentel, Maria Fernanda
Bruns, Roy Edward
Ferreira, Sergio Luis Costa
Araujo, Rennan Geovanny Oliveira
Macedo, Samuel Marques
Korn, Maria das Graças Andrade
Pimentel, Maria Fernanda
Bruns, Roy Edward
Ferreira, Sergio Luis Costa
dc.subject.por.fl_str_mv Wheat flour
Minerals
Brazilian cities
ICP OES
Principal component analysis (PCA)
Hierarchical cluster analysis (HCA)
topic Wheat flour
Minerals
Brazilian cities
ICP OES
Principal component analysis (PCA)
Hierarchical cluster analysis (HCA)
description p. 935-942.
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2011-12-21T17:29:44Z
dc.date.available.fl_str_mv 2011-12-21T17:29:44Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/4969
dc.identifier.issn.none.fl_str_mv 0103-5053
dc.identifier.number.pt_BR.fl_str_mv v. 19, n. 5.
identifier_str_mv 0103-5053
v. 19, n. 5.
url http://www.repositorio.ufba.br/ri/handle/ri/4969
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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