Potential in vitro antioxidant and protective effects of Mesua ferrea Linn. bark extracts on induced oxidative damage
2013
Rajesh, K.P. | Manjunatha, H. | Krishna, V. | Kumara Swamy, B.E.
Free radicals and activated oxygen radical species are generated as a result of aerobic metabolism. Imbalance, if any in the antioxidant defense system against free radicals can degrade biomolecules inside the living system. In this present study, antioxidant arbitrated protective activity of Mesua ferrea L. is reported on induced oxidative damage in erythrocytes, Hb and DNA. Both, MCE (M. ferrea chloroform extract) and MEE (M. ferrea ethanol extract) exhibited significant antioxidant activity while MEE showed >90% protection to erythrocytes, Hb and DNA by virtue of high total phenolics (1.005±0.005mgEGAmg−1) and total flavonoids (514.8μgmg−1) whereas MCE showed <90% but >70% antioxidant protective activity probably due to 0.596±0.002mgEGAmg−1 total phenolics and 275.9μgEQmg−1 total flavonoid content. It indicates that M. ferrea Linn. possesses significant protective activity against induced oxidative stress by acting as a strong antioxidant and potential electro-catalyst during the electrochemical oxidation of H2O2. Furthermore, HPLC of MCE and MEE revealed well known various good antioxidant molecules such as gallic acid, ellagic acid, coumaric acid, vanillic acid, rutin, quercetin, myricetin and kaempferol. Thus, M. ferrea Linn. bark was found to be having a good antioxidant property.
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