Journal of Central South University (Medical Sciences) 2006-Feb
[Ability of catechin to eliminate O2-* and *OH].
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Abstrè
OBJECTIVE
To investigate the eliminating ability of catechin to eliminate O2-* and *OH.
METHODS
The ability of catechin to clear away O2-* and *OH was respectively measured by faintness chemiluminescence and spin trapping assay.
RESULTS
IC50 that catechin eliminated O2-* and *OH was 6.16, 0.59 g/mL respectively, and the eliminating ability of catechin was much stronger than that of the extract from liquorice, rosemary, grape pip, giant knotweed and ginkgo leaf.
CONCLUSIONS
Compared with several important natural plants of antioxidants, the eliminating ability of cathechin is the best.
