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Indian J Clin Biochem. 2004 Jul;19(2):103-10. doi: 10.1007/BF02894266.

Evaluation of antioxidant properties of berries.

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  • 1Department of Biotechnology, PSG College of Technology, 641 004 Coimbatore, Tamilnadu India.


The present paper focuses on assessing the levels of various enzymatic and non-enzymatic antioxidants in selected berries of Indian sub-continent viz., gooseberry, grapes, orange and tomato. This study has revealed that orange, tomato and grapes possess predominant quantities of enzymatic antioxidants namely SOD, catalase and glutathione peroxidase respectively. The levels of antioxidants analyzed namely reduced glutathione, vitamin C and vitamin A were maximal in grapes, orange and tomato respectively. All the extracts of berries included in the present study inhibited iron inducedin vitro lipid peroxidation in erythrocytes, the extend of inhibition being highest for gooseberry and orange compared to tomato and grapes which could be attributed to their in-built antioxidant system.


Free radicals; berries; lipid peroxidation; naturally occurring antioxidants; oxidative stress

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