Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species
- Autores
- Orsini Delgado, María Cecilia; Galleano, Monica Liliana; Añon, Maria Cristina; Tironi, Valeria Anahi
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We evaluated the capacity of simulated gastrointestinal digests or alcalase hydrolysates of protein isolates from amaranth to scavenge diverse physiologically relevant reactive species. The more active hydrolysate was obtained with the former method. Moreover, a prior alcalase treatment of the isolate followed by the same simulated gastrointestinal digestion did not improve the antioxidant capacity in any of the assays performed and even produced a negative effect under some conditions. Gastrointestinal digestion produced a strong increment in the scavenging capacity against peroxyl radicals (ORAC assay), hydroxyl radicals (ESR-OH assay), and peroxynitrites; thus decreasing the IC50 values to approximately 20, 25, and 20 %, respectively, of the levels attained with the nonhydrolyzed proteins. Metal chelation (HORAC assay) also enhanced respect to isolate levels, but to a lesser extent (decreasing IC50 values to only 50 %). The nitric-oxide– and superoxide-scavenging capacities of the digests were not relevant with respect to the methodologies used. The gastrointestinal digests from amaranth proteins acted against reactive species by different mechanisms, thus indicating the protein isolate to be a potential polyfunctional antioxidant ingredient.
Fil: Orsini Delgado, María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina
Fil: Galleano, Monica Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular; Argentina. Universidad de Buenos Aires; Argentina
Fil: Añon, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina
Fil: Tironi, Valeria Anahi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina - Materia
-
Amaranth Proteins And Peptides
Gastrointestinal Digestion
Antioxidant Activity
Oxygen And Nitrogen Reactive Species - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/10101
Ver los metadatos del registro completo
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Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive speciesOrsini Delgado, María CeciliaGalleano, Monica LilianaAñon, Maria CristinaTironi, Valeria AnahiAmaranth Proteins And PeptidesGastrointestinal DigestionAntioxidant ActivityOxygen And Nitrogen Reactive Specieshttps://purl.org/becyt/ford/2.11https://purl.org/becyt/ford/2We evaluated the capacity of simulated gastrointestinal digests or alcalase hydrolysates of protein isolates from amaranth to scavenge diverse physiologically relevant reactive species. The more active hydrolysate was obtained with the former method. Moreover, a prior alcalase treatment of the isolate followed by the same simulated gastrointestinal digestion did not improve the antioxidant capacity in any of the assays performed and even produced a negative effect under some conditions. Gastrointestinal digestion produced a strong increment in the scavenging capacity against peroxyl radicals (ORAC assay), hydroxyl radicals (ESR-OH assay), and peroxynitrites; thus decreasing the IC50 values to approximately 20, 25, and 20 %, respectively, of the levels attained with the nonhydrolyzed proteins. Metal chelation (HORAC assay) also enhanced respect to isolate levels, but to a lesser extent (decreasing IC50 values to only 50 %). The nitric-oxide– and superoxide-scavenging capacities of the digests were not relevant with respect to the methodologies used. The gastrointestinal digests from amaranth proteins acted against reactive species by different mechanisms, thus indicating the protein isolate to be a potential polyfunctional antioxidant ingredient.Fil: Orsini Delgado, María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; ArgentinaFil: Galleano, Monica Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular; Argentina. Universidad de Buenos Aires; ArgentinaFil: Añon, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; ArgentinaFil: Tironi, Valeria Anahi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; ArgentinaSpringer2015-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/10101Orsini Delgado, María Cecilia; Galleano, Monica Liliana; Añon, Maria Cristina; Tironi, Valeria Anahi; Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species; Springer; Plant Foods For Human Nutrition; 70; 1; 3-2015; 27-340921-96681573-9104enginfo:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.1007/s11130-014-0457-2info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007%2Fs11130-014-0457-2info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:25:09Zoai:ri.conicet.gov.ar:11336/10101instacron: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 10:25:10.198CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
title |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
spellingShingle |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species Orsini Delgado, María Cecilia Amaranth Proteins And Peptides Gastrointestinal Digestion Antioxidant Activity Oxygen And Nitrogen Reactive Species |
title_short |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
title_full |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
title_fullStr |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
title_full_unstemmed |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
title_sort |
Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species |
dc.creator.none.fl_str_mv |
Orsini Delgado, María Cecilia Galleano, Monica Liliana Añon, Maria Cristina Tironi, Valeria Anahi |
author |
Orsini Delgado, María Cecilia |
author_facet |
Orsini Delgado, María Cecilia Galleano, Monica Liliana Añon, Maria Cristina Tironi, Valeria Anahi |
author_role |
author |
author2 |
Galleano, Monica Liliana Añon, Maria Cristina Tironi, Valeria Anahi |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Amaranth Proteins And Peptides Gastrointestinal Digestion Antioxidant Activity Oxygen And Nitrogen Reactive Species |
topic |
Amaranth Proteins And Peptides Gastrointestinal Digestion Antioxidant Activity Oxygen And Nitrogen Reactive Species |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.11 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
We evaluated the capacity of simulated gastrointestinal digests or alcalase hydrolysates of protein isolates from amaranth to scavenge diverse physiologically relevant reactive species. The more active hydrolysate was obtained with the former method. Moreover, a prior alcalase treatment of the isolate followed by the same simulated gastrointestinal digestion did not improve the antioxidant capacity in any of the assays performed and even produced a negative effect under some conditions. Gastrointestinal digestion produced a strong increment in the scavenging capacity against peroxyl radicals (ORAC assay), hydroxyl radicals (ESR-OH assay), and peroxynitrites; thus decreasing the IC50 values to approximately 20, 25, and 20 %, respectively, of the levels attained with the nonhydrolyzed proteins. Metal chelation (HORAC assay) also enhanced respect to isolate levels, but to a lesser extent (decreasing IC50 values to only 50 %). The nitric-oxide– and superoxide-scavenging capacities of the digests were not relevant with respect to the methodologies used. The gastrointestinal digests from amaranth proteins acted against reactive species by different mechanisms, thus indicating the protein isolate to be a potential polyfunctional antioxidant ingredient. Fil: Orsini Delgado, María Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina Fil: Galleano, Monica Liliana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay. Instituto de Bioquímica y Medicina Molecular; Argentina. Universidad de Buenos Aires; Argentina Fil: Añon, Maria Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina Fil: Tironi, Valeria Anahi. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Investigaciones en Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata; Argentina |
description |
We evaluated the capacity of simulated gastrointestinal digests or alcalase hydrolysates of protein isolates from amaranth to scavenge diverse physiologically relevant reactive species. The more active hydrolysate was obtained with the former method. Moreover, a prior alcalase treatment of the isolate followed by the same simulated gastrointestinal digestion did not improve the antioxidant capacity in any of the assays performed and even produced a negative effect under some conditions. Gastrointestinal digestion produced a strong increment in the scavenging capacity against peroxyl radicals (ORAC assay), hydroxyl radicals (ESR-OH assay), and peroxynitrites; thus decreasing the IC50 values to approximately 20, 25, and 20 %, respectively, of the levels attained with the nonhydrolyzed proteins. Metal chelation (HORAC assay) also enhanced respect to isolate levels, but to a lesser extent (decreasing IC50 values to only 50 %). The nitric-oxide– and superoxide-scavenging capacities of the digests were not relevant with respect to the methodologies used. The gastrointestinal digests from amaranth proteins acted against reactive species by different mechanisms, thus indicating the protein isolate to be a potential polyfunctional antioxidant ingredient. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-03 |
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/11336/10101 Orsini Delgado, María Cecilia; Galleano, Monica Liliana; Añon, Maria Cristina; Tironi, Valeria Anahi; Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species; Springer; Plant Foods For Human Nutrition; 70; 1; 3-2015; 27-34 0921-9668 1573-9104 |
url |
http://hdl.handle.net/11336/10101 |
identifier_str_mv |
Orsini Delgado, María Cecilia; Galleano, Monica Liliana; Añon, Maria Cristina; Tironi, Valeria Anahi; Amaranth peptides from simulated gastrointestinal digestion: antioxidant activity against reactive species; Springer; Plant Foods For Human Nutrition; 70; 1; 3-2015; 27-34 0921-9668 1573-9104 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://dx.doi.org/10.1007/s11130-014-0457-2 info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007%2Fs11130-014-0457-2 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
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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1844614249864757248 |
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13.070432 |