Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products
- Autores
- Sampietro, Diego Alejandro; Jiménez, Cristina Marisol; Belizán, María Melina Eleonora; Vattuone, Marta Amelia; Catalan, Cesar Atilio Nazareno
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- A 96-well plate micromethod was developed to measure 5-n-alkylresorcinols (5nARs) in cereal grains and food derived products. The 5nARs reacted in alkaline alcoholic medium with Fast Blue RR ½ZnCl2 salt to yield coloured azo-derivatives. The highest sensitivity for 5nARs was obtained at 490 nm with 0.025% ethanolic Fast Blue RR and 5% K2CO3. This reaction showed good linearity for olivetol (0.05–0.20 μg). Contents of 5nARs determined in cereal grains and derived products by the new Fast Blue RR micromethod were highly correlated (R2 = 0.9944) with those obtained by a Fast Blue B method currently used. A Bland–Altman analysis indicated a small positive bias near to zero (R2 = 0.0401), suggesting that the methods can be interchangeably used. The new reaction is completed in 15 min and the coloured products are read within the 15 min after completion. The micromethod offers a fast analysis of 5nARs in cereal grains and derived products with low consumption of reagents and solvents.
Fil: Sampietro, Diego Alejandro. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina
Fil: Jiménez, Cristina Marisol. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina
Fil: Belizán, María Melina Eleonora. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina
Fil: Vattuone, Marta Amelia. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina
Fil: Catalan, Cesar Atilio Nazareno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Quimica del Noroeste; Argentina - Materia
-
Alkylresorcinols
Bran
Whole-Grain Products
Fast Blue Rr - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/7165
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Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain productsSampietro, Diego AlejandroJiménez, Cristina MarisolBelizán, María Melina EleonoraVattuone, Marta AmeliaCatalan, Cesar Atilio NazarenoAlkylresorcinolsBranWhole-Grain ProductsFast Blue Rrhttps://purl.org/becyt/ford/4.4https://purl.org/becyt/ford/4A 96-well plate micromethod was developed to measure 5-n-alkylresorcinols (5nARs) in cereal grains and food derived products. The 5nARs reacted in alkaline alcoholic medium with Fast Blue RR ½ZnCl2 salt to yield coloured azo-derivatives. The highest sensitivity for 5nARs was obtained at 490 nm with 0.025% ethanolic Fast Blue RR and 5% K2CO3. This reaction showed good linearity for olivetol (0.05–0.20 μg). Contents of 5nARs determined in cereal grains and derived products by the new Fast Blue RR micromethod were highly correlated (R2 = 0.9944) with those obtained by a Fast Blue B method currently used. A Bland–Altman analysis indicated a small positive bias near to zero (R2 = 0.0401), suggesting that the methods can be interchangeably used. The new reaction is completed in 15 min and the coloured products are read within the 15 min after completion. The micromethod offers a fast analysis of 5nARs in cereal grains and derived products with low consumption of reagents and solvents.Fil: Sampietro, Diego Alejandro. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; ArgentinaFil: Jiménez, Cristina Marisol. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; ArgentinaFil: Belizán, María Melina Eleonora. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; ArgentinaFil: Vattuone, Marta Amelia. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; ArgentinaFil: Catalan, Cesar Atilio Nazareno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Quimica del Noroeste; ArgentinaElsevier2013-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/7165Sampietro, Diego Alejandro; Jiménez, Cristina Marisol; Belizán, María Melina Eleonora; Vattuone, Marta Amelia; Catalan, Cesar Atilio Nazareno; Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products; Elsevier; Food Chemistry; 141; 4; 12-2013; 3546-35510308-8146enginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0308814613008467info:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/altIdentifier/doi/10.1016/j.foodchem.2013.06.069info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:47:06Zoai:ri.conicet.gov.ar:11336/7165instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:47:07.161CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
title |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
spellingShingle |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products Sampietro, Diego Alejandro Alkylresorcinols Bran Whole-Grain Products Fast Blue Rr |
title_short |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
title_full |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
title_fullStr |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
title_full_unstemmed |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
title_sort |
Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products |
dc.creator.none.fl_str_mv |
Sampietro, Diego Alejandro Jiménez, Cristina Marisol Belizán, María Melina Eleonora Vattuone, Marta Amelia Catalan, Cesar Atilio Nazareno |
author |
Sampietro, Diego Alejandro |
author_facet |
Sampietro, Diego Alejandro Jiménez, Cristina Marisol Belizán, María Melina Eleonora Vattuone, Marta Amelia Catalan, Cesar Atilio Nazareno |
author_role |
author |
author2 |
Jiménez, Cristina Marisol Belizán, María Melina Eleonora Vattuone, Marta Amelia Catalan, Cesar Atilio Nazareno |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
Alkylresorcinols Bran Whole-Grain Products Fast Blue Rr |
topic |
Alkylresorcinols Bran Whole-Grain Products Fast Blue Rr |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.4 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
A 96-well plate micromethod was developed to measure 5-n-alkylresorcinols (5nARs) in cereal grains and food derived products. The 5nARs reacted in alkaline alcoholic medium with Fast Blue RR ½ZnCl2 salt to yield coloured azo-derivatives. The highest sensitivity for 5nARs was obtained at 490 nm with 0.025% ethanolic Fast Blue RR and 5% K2CO3. This reaction showed good linearity for olivetol (0.05–0.20 μg). Contents of 5nARs determined in cereal grains and derived products by the new Fast Blue RR micromethod were highly correlated (R2 = 0.9944) with those obtained by a Fast Blue B method currently used. A Bland–Altman analysis indicated a small positive bias near to zero (R2 = 0.0401), suggesting that the methods can be interchangeably used. The new reaction is completed in 15 min and the coloured products are read within the 15 min after completion. The micromethod offers a fast analysis of 5nARs in cereal grains and derived products with low consumption of reagents and solvents. Fil: Sampietro, Diego Alejandro. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina Fil: Jiménez, Cristina Marisol. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina Fil: Belizán, María Melina Eleonora. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina Fil: Vattuone, Marta Amelia. Universidad Nacional de Tucumán. Facultad de Bioquímica, Química y Farmacia; Argentina Fil: Catalan, Cesar Atilio Nazareno. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Tucumán. Instituto de Quimica del Noroeste; Argentina |
description |
A 96-well plate micromethod was developed to measure 5-n-alkylresorcinols (5nARs) in cereal grains and food derived products. The 5nARs reacted in alkaline alcoholic medium with Fast Blue RR ½ZnCl2 salt to yield coloured azo-derivatives. The highest sensitivity for 5nARs was obtained at 490 nm with 0.025% ethanolic Fast Blue RR and 5% K2CO3. This reaction showed good linearity for olivetol (0.05–0.20 μg). Contents of 5nARs determined in cereal grains and derived products by the new Fast Blue RR micromethod were highly correlated (R2 = 0.9944) with those obtained by a Fast Blue B method currently used. A Bland–Altman analysis indicated a small positive bias near to zero (R2 = 0.0401), suggesting that the methods can be interchangeably used. The new reaction is completed in 15 min and the coloured products are read within the 15 min after completion. The micromethod offers a fast analysis of 5nARs in cereal grains and derived products with low consumption of reagents and solvents. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-12 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/7165 Sampietro, Diego Alejandro; Jiménez, Cristina Marisol; Belizán, María Melina Eleonora; Vattuone, Marta Amelia; Catalan, Cesar Atilio Nazareno; Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products; Elsevier; Food Chemistry; 141; 4; 12-2013; 3546-3551 0308-8146 |
url |
http://hdl.handle.net/11336/7165 |
identifier_str_mv |
Sampietro, Diego Alejandro; Jiménez, Cristina Marisol; Belizán, María Melina Eleonora; Vattuone, Marta Amelia; Catalan, Cesar Atilio Nazareno; Development and validation of a micromethod for fast quantification of 5-n-alkylresorcinols in grains and whole grain products; Elsevier; Food Chemistry; 141; 4; 12-2013; 3546-3551 0308-8146 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0308814613008467 info:eu-repo/semantics/altIdentifier/doi/ info:eu-repo/semantics/altIdentifier/doi/10.1016/j.foodchem.2013.06.069 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613468346384384 |
score |
13.070432 |