A comparison of methods employed to evaluate antioxidant capabilities

Thrce ditferent methodologies frequently employed to evaluate the indexes that report the antioxidant capabilities of pure compounds and/or complex mixtures of antioxidants are applied to a series of mono- and polyphenols, as well as to two wine (red and white) samples. These methodologies are based...

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Autores principales:	PEREZ,DRUSO D, LEIGHTON,FEDERICO, ASPEE,ALEXIS, ALIAGA,CAROLINA, LISSI,EDUARDO
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2000
Materias:	ABTS radical bleaching antioxidants c-phycocyanin bleaching total antioxidant reactivity total reactive antioxidant potential
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602000000200006
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spelling	oai:scielo:S0716-976020000002000062010-02-11A comparison of methods employed to evaluate antioxidant capabilitiesPEREZ,DRUSO DLEIGHTON,FEDERICOASPEE,ALEXISALIAGA,CAROLINALISSI,EDUARDO ABTS radical bleaching antioxidants c-phycocyanin bleaching total antioxidant reactivity total reactive antioxidant potential Thrce ditferent methodologies frequently employed to evaluate the indexes that report the antioxidant capabilities of pure compounds and/or complex mixtures of antioxidants are applied to a series of mono- and polyphenols, as well as to two wine (red and white) samples. These methodologies are based on the bleaching of a stable radical, the effect of the additive upon luminol chemiluminescence induced by peroxyl radicals, and the effect of the additive upon the bleaching of the fluorescence from a dye molecule. Widely ditferent responses are obtained from the different methodologies. These differences are interpreted in terms of the different factors (stoichiametric factors and/or reactivities) that determines the indexes evaluated by these different methodologiesinfo:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.33 n.2 20002000-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602000000200006en10.4067/S0716-97602000000200006
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	ABTS radical bleaching antioxidants c-phycocyanin bleaching total antioxidant reactivity total reactive antioxidant potential
spellingShingle	ABTS radical bleaching antioxidants c-phycocyanin bleaching total antioxidant reactivity total reactive antioxidant potential PEREZ,DRUSO D LEIGHTON,FEDERICO ASPEE,ALEXIS ALIAGA,CAROLINA LISSI,EDUARDO A comparison of methods employed to evaluate antioxidant capabilities
description	Thrce ditferent methodologies frequently employed to evaluate the indexes that report the antioxidant capabilities of pure compounds and/or complex mixtures of antioxidants are applied to a series of mono- and polyphenols, as well as to two wine (red and white) samples. These methodologies are based on the bleaching of a stable radical, the effect of the additive upon luminol chemiluminescence induced by peroxyl radicals, and the effect of the additive upon the bleaching of the fluorescence from a dye molecule. Widely ditferent responses are obtained from the different methodologies. These differences are interpreted in terms of the different factors (stoichiametric factors and/or reactivities) that determines the indexes evaluated by these different methodologies
author	PEREZ,DRUSO D LEIGHTON,FEDERICO ASPEE,ALEXIS ALIAGA,CAROLINA LISSI,EDUARDO
author_facet	PEREZ,DRUSO D LEIGHTON,FEDERICO ASPEE,ALEXIS ALIAGA,CAROLINA LISSI,EDUARDO
author_sort	PEREZ,DRUSO D
title	A comparison of methods employed to evaluate antioxidant capabilities
title_short	A comparison of methods employed to evaluate antioxidant capabilities
title_full	A comparison of methods employed to evaluate antioxidant capabilities
title_fullStr	A comparison of methods employed to evaluate antioxidant capabilities
title_full_unstemmed	A comparison of methods employed to evaluate antioxidant capabilities
title_sort	comparison of methods employed to evaluate antioxidant capabilities
publisher	Sociedad de Biología de Chile
publishDate	2000
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602000000200006
work_keys_str_mv	AT perezdrusod acomparisonofmethodsemployedtoevaluateantioxidantcapabilities AT leightonfederico acomparisonofmethodsemployedtoevaluateantioxidantcapabilities AT aspeealexis acomparisonofmethodsemployedtoevaluateantioxidantcapabilities AT aliagacarolina acomparisonofmethodsemployedtoevaluateantioxidantcapabilities AT lissieduardo acomparisonofmethodsemployedtoevaluateantioxidantcapabilities AT perezdrusod comparisonofmethodsemployedtoevaluateantioxidantcapabilities AT leightonfederico comparisonofmethodsemployedtoevaluateantioxidantcapabilities AT aspeealexis comparisonofmethodsemployedtoevaluateantioxidantcapabilities AT aliagacarolina comparisonofmethodsemployedtoevaluateantioxidantcapabilities AT lissieduardo comparisonofmethodsemployedtoevaluateantioxidantcapabilities
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A comparison of methods employed to evaluate antioxidant capabilities

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