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EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES

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dc.contributor.author Barriga-Gonzalez, G
dc.contributor.author Chamorro, E
dc.contributor.author Salinas, M
dc.contributor.author Modak, B
dc.contributor.author Olea-Azar, C
dc.date.accessioned 2017-04-28T18:57:17Z
dc.date.available 2017-04-28T18:57:17Z
dc.date.issued 2016-09
dc.identifier.citation J. Chil. Chem. Soc. vol.61 no.3 Concepción Sept. 2016 es
dc.identifier.issn 0717-9707
dc.identifier.other http://dx.doi.org/10.4067/S0717-97072016000300024
dc.identifier.uri http://repositorio.unab.cl/xmlui/handle/ria/3359
dc.description Indexación: Web of Science; Scielo. es
dc.description.abstract The antioxidant capacity has been determined for a number of flavonoid compounds from Heliotropium sinuatum, a plant that grows in arid areas in the north of Chile. The methodologies used were: ORAC(FL) (oxygen radical absorbance capacity - fluorescein), DPPH (2,2-diphenyl-2-picrylhydrazyl) bleaching and electron spin resonance (ESR). These compounds were studied in homogeneous and heterogeneous media. The results showed that the 7-o-methyleriodictiol and 3-o-methylisorhamnetin are those with the highest antioxidant capacity. es
dc.description.uri http://ref.scielo.org/m82czk
dc.language.iso en es
dc.publisher Sociedad Chilena de Química es
dc.subject ORAC(FL) es
dc.subject ESR es
dc.subject DPPH es
dc.subject Flavonoids es
dc.subject Micelle es
dc.subject Antioxidants es
dc.title EVALUATION OF THE ANTIOXIDANT ACTIVITY OF THE FLAVONOIDS ISOLATED FROM HELIOTROPIUM SINUATUM RESIN USING ORACFL, DPPH AND ESR METHODOLOGIES es
dc.type Article es


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