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In vitro determination of the antioxidant capacity of extracts and phenolic compounds from Ugni molinae Turcz. leaves Plantas Medicinales
Avello Lorca,Marcia; Pastene Navarrete,Edgar; González Riquelme,Margarita; Bittner Berner,Magalis; Becerra Allende,José.
Introduction: Ugni molinae Turcz., (Myrtaceae) is a plant that is distributed in central-southern of Chile, including Juan Fernández Islands. The leaves have been used in folk medicine for diarrhea and oral infections due to their astringent and antiseptic properties. Objective: antioxidant activity of two extracts (ethyl acetate and methanol) from U. molinae leaves was assessed in several assays. Methods: HPLC (high performance liquid chromatography) for chemical analysis and in vitro antioxidant methods. Results: HPLC profiling of both extracts showed the presence of flavan-3-ols (catechin) and gallic acid, flavonoids and caffeic acid derivates as main constituents. These extracts showed significant activity on 2,2-diphenyl-1-picrylhydrazyl (DPPH),...
Tipo: Journal article Palavras-chave: Antioxidant capacity; Lipid peroxidation; Ugni molinae..
Ano: 2013 URL: http://scielo.sld.cu/scielo.php?script=sci_arttext&pid=S1028-47962013000400011
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