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Targeted Metabolite Analysis and Antioxidant Potential of Rumex induratus

AutorGuerra, Luis; Pereira, Clara; Andrade, Paula B.; Rodrigues, M. Angelo; Ferreres, Federico ; Guedes de Pinho, Paula; Seabra, Rosa M.; Valentão, Patricia
Palabras claveRumex induratus
Phenolic compounds
Organic acids
Antioxidant activity
Fecha de publicación6-ago-2008
EditorAmerican Chemical Society
CitaciónJournal of Agricultural and Food Chemistry 56(17): 8184-8194 (2008)
ResumenTargeted metabolite analysis of aqueous extract of Rumex induratus leaves, in terms of phenolic compounds and organic acids, and the study of its antioxidant activity against the DPPH• radical, a reactive oxygen species, hypochlorous acid, and a reactive nitrogen species, nitric oxide (•NO), were performed. The samples were collected in several locations, spontaneously occurring or from greenhouse culture, at different stages of development and seasons. The phenolic composition was achieved by high-performance liquid chromatography (HPLC)−diode array detection, and four hydroxycinnamic acid derivatives and 10 flavonoid glycosides (C- and O-heterosides) were determined. Organic acids composition was established by HPLC-UV, revealing five compounds. The total amount of phenolic compounds and organic acids were affected by growing conditions and developmental phase. The aqueous extract exhibited a dose-related activity against all tested reactive species.
Descripción11 pages, 13 figures, 3 tables.
Versión del editorhttp://dx.doi.org/10.1021/jf801385z
URIhttp://hdl.handle.net/10261/17627
DOI10.1021/jf801385z
ISSN0021-8561 (Print)
1520-5118 (Online)
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