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https://open.uns.ac.rs/handle/123456789/13557
Title: | An investigation into the antioxidant activity of Allium nutans L | Authors: | Štajner, Dubravka Milić, Nataša Čanadanović-Brunet, Jasna |
Issue Date: | 1-Jun-1999 | Publisher: | Wiley | Journal: | Phytotherapy Research | Abstract: | Antioxidants are important species which possess the ability to protect the body from damage caused by free radical-induced oxidative stress. There is currently much interest in the antioxidant role of fruit, vegetables, wines and teas. In this study the antioxidant activity of leaf, bulb and root of Allium nutants L. was investigated. Biochemical parameters were also determined: activities of antioxidant enzymes (superoxide dismutase, catalase, peroxidase, glutathione peroxidase), quantities of malonyldialdehyde, superoxide and hydroxyl radicals and reduced glutathione and contents of total flavonoids, chlorophylls a and b carotenoids, vitamin C and soluble proteins. Our results indicated that Allium nutants L. exhibits antioxidant ability in all investigated plant organs. The highest antioxidant ability was observed in the leaves where all investigated antioxidant enzymes were active and quantities of malonyldialdehyde and OH low. Reduced glutathione, pigments and carotenoids present in the leaves contribute to the high antioxidant activity. ESR investigation conducted with Allium nutans L. phosphate buffer (pH 7) extract showed that the signal DMPO-OH spin adducts in the presence of Allium nutans L. extract was reduced by 78.48%. | URI: | https://open.uns.ac.rs/handle/123456789/13557 | ISSN: | 0951418X | DOI: | 10.1002/(SICI)1099-1573(199906)13:4<333::AID-PTR450>3.0.CO;2-Y |
Appears in Collections: | TF Publikacije/Publications |
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