Characterization of some extractive fractions isolated from raw Allium cepa L. bulbs

Characterization of some extractive fractions isolated from raw Allium cepa L. bulbs

Many recent studies have showed that onion (Allium cepa L.) has antioxidant effect which could be of great importance for prevention and treatment of different diseases: diabetes, cancer, cardiovascular and neurodegenerative disorders. The aim of this study was to investigate the antioxidant capacit...

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Bibliographic Details
Published in:Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi Vol. 112; no. 2; p. 522
Main Authors: Tătărîngă, Gabriela, Miron, Anca, Păduraru, Ioana, Hăncianu, Monica, Gafiţanu, Eliza, Stănescu, Ursula
Format: Journal Article
Language:English
Published: Romania 01-04-2008
Subjects:
Antioxidants - chemistry
Antioxidants - pharmacology
Free Radical Scavengers
Humans
Hydrogen Peroxide
Onions - chemistry
Plant Extracts - chemistry
Plant Extracts - therapeutic use
Plant Roots - chemistry
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Summary:Many recent studies have showed that onion (Allium cepa L.) has antioxidant effect which could be of great importance for prevention and treatment of different diseases: diabetes, cancer, cardiovascular and neurodegenerative disorders. The aim of this study was to investigate the antioxidant capacity of two extracts isolated from fresh onion bulbs: an hydroalcoholic extract (codified EC1) and an aqueous extract (codified EC2). Antioxidant capacity was evaluated by three different assays: DPPH scavenging assay, H2O2, scavenging assay and reducing power assay. Both investigated extracts possess interesting antioxidant properties which are significantly influenced by their chemical composition.
ISSN:0048-7848