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Scavenger activity of Allium psekemense B. Fedtsch
Author(s) -
Štajner D.,
MilićDeMarino M.,
ČanadanovićBruner J.,
Popović M.
Publication year - 2002
Publication title -
phytotherapy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.019
H-Index - 129
eISSN - 1099-1573
pISSN - 0951-418X
DOI - 10.1002/ptr.930
Subject(s) - antioxidant , superoxide dismutase , catalase , chemistry , peroxidase , glutathione peroxidase , glutathione , biochemistry , scavenger , superoxide , carotenoid , enzyme , hydroxyl radical
In the present study the antioxidative properties of the bulbs, leaves and stalks of Allium psekemense B. Fedtsch were investigated. The activities of antioxidant enzymes (superoxide dismutase, catalase, peroxidase, glutathione peroxidase), quantities of malonyldialdehyde, superoxide and hydroxyl radicals and reduced glutathione and also the content of total flavonoids, chlorophylls a and b, carotenoids, vitamin C and soluble proteins were determined. The results indicate that extracts from all plant organs exhibited antioxidant activity. The highest antioxidant activity was observed in the leaves. Furthermore, the ESR signal of DMPO‐OH radical adducts in the presence of the leaf phosphate buffer (pH 7) extract was reduced by 54.3%. Copyright © 2002 John Wiley & Sons, Ltd.