Journal: Journal of Pharmacy Research

Article Id: JPRS-PHDRS-0000630
Title: Total Phenolic content and antioxidant activity of aqueous and methanol extracts of Dioscorea alata tuber
Category: Pharmacognosy and Herbal Drugs related study
Section: Research Article
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    Antioxidant activity of aqueous extract (DAAE) and methanol extract (DAME) of Dioscorea alata tuber were evaluated using DPPH radical scavenging and reducing power assay. DAME contained significantly higher (p < 0.05) phenolics compared to DAAE and showed significantly higher (p < 0.05) radical scavenging activity (84%) than DAAE (12.6%). The radical scavenging activity of DAME was comparable with that of BHT (85%) at 100 µg/ml concentration. DAME also showed higher reducing power than DAAE. A significant (p <0.01) correlation was observed between the phenolic content and the radical scavenging activity of the extracts indicating the contribution of phenolic compounds for the observed antioxidant effect.

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    Author(s) Name:

    Faiyaz Ahmed*and Asna Uroo J

    Affiliation(s) Name:

    *Department of Studies in Food Science and Nutrition, University of Mysore, Mysore, India.


    Received on: 20-05-2009; Accepted on:15-07-2009

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    Author:

    Faiyaz Ahmed*and Asna Uroo J

    Title:Total Phenolic content and antioxidant activity of aqueous and methanol extracts of Dioscorea alata tuber
    Journal:Journal of Pharmacy Research
    Vol(issue):2 (October)
    Year:2009
    Page No: (1663-1665)
  • Experimental Methods Keywords

    Methodology:radical scavenging activity, reducing power, phenolics, oxidative stress
    Research Materials:Dioscorea alata

Keywords

Dioscorea alata radical scavenging activity reducing power phenolics oxidative stress

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