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| Year : 2006 | Volume
: 25
| Issue : 3 | Page : 44-48 |
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Free radical scavenging activity of flavonoid containing leaf extracts of Stevia rebaudiana bert
B Gopalakrishnan, Adesh A Bawane, Kusum S Akki, VI Hukkeri
Department of Pharmacognosy, K.L.E.Ss College of Pharmacy, Vidyanagar, Hubli 580 031, Karnataka, India
Correspondence Address:
B Gopalakrishnan
Department of Pharmacognosy, K.L.E.Ss College of Pharmacy, Vidyanagar, Hubli 580 031, Karnataka
India
 Source of Support: None, Conflict of Interest: None  | Check |
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To evaluate the free radical scavenging activity of flavonoids containing extracts of Stevia leaf. Alcoholic. Successive butanolic and alcoholic extracts of leaves were examined for free radical scavenging activity using BHT (tert-butylhydroxytolune) as a positive control by in vitro models. Successive alcoholic extract showed remarkable free radical scavenging activity. The IC50 was found to be 140 μg and 76 ig of successive alcoholic and BHT respectively in DPPH (2,2-diphenyl-1-picrylhydrazyl) assay method. The Dot-Blot test on silica layers also showed thescavenging activity of free radical of flavonoids containing extracts. The successive alcoholic extract shown significant antioxidant activity. |
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