Melatoninin Superoksit Yakalama Kapasitesinin In Vitro incelenmesi
Kadir BATÇIOGLU*, A. Alev KARAGÖZLER**, İ. Çetin ÖZTÜRK***, Aysun BAY***, M. Engin GÖZÜKARA***
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Abstract
Aim: In vitro assay of superoxide scavenging capacity of melatonin.
Materials and methods: Scavenging capacity of melatonin for superoxide radicals produced by xanthine-xanthine oxidase system was Investigated by using Fridovich I. method.
Results and discussion: Melatonin exhibited superoxide scavenging activity ¡n a dose-dependent manner up to 45 pg/mL and activity was calculated to be 0.046 ±0.009 SOD equivalent units / pg of melatonin (n=9). A concentration of approximately 18 pg / mL melatonin served as one unit of superoxide dismutase enzyme.
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