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Antioxidant Activity of Extract from the Leaves of Tylophora asthmatica


Affiliations
1 Department of Biotechnology, Bharathidasan University College (W), Orathanadu, Thanjavur, Tamil Nadu, India
2 Department of Botany, Jamal Mohamed College, Trichy, Tamil Nadu, India
3 Department of Microbiology, Meenakshi Chandrasekaran College of Arts and Science, Pattukkottai – 614 626, Thanjavur, Tamil Nadu, India
     

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Extract from the leaves of Tylophora asthmatica were investigated for antioxidant activity. The methanolic extract of T.asthmatica had a DPPH scavenging activity of 84.6% at 250μg/ml and a reductive potential of 0.77 at 100μg/ml. These values were comparable with those of Gallic acid, 91.4% at 250μg/ml and Ascorbic acid, 0.79 at 60μg/ml as standards for DPPH scavenging activity and reductive potential, respectively. These findings suggest that the rich phytochemical content of T.asthmatica and its good antioxidant activity may be responsible for its popular and wide traditional use. The experiment was carried out with the leaves of the selected medicinal plants. The results are discussed with the available literature.

Keywords

Tylophora asthmatica, Antioxidant Activity, Reductive Potential, DPPH.
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  • Antioxidant Activity of Extract from the Leaves of Tylophora asthmatica

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Authors

R. Malathi
Department of Biotechnology, Bharathidasan University College (W), Orathanadu, Thanjavur, Tamil Nadu, India
S. Ahamed John
Department of Botany, Jamal Mohamed College, Trichy, Tamil Nadu, India
A. Cholarajan
Department of Microbiology, Meenakshi Chandrasekaran College of Arts and Science, Pattukkottai – 614 626, Thanjavur, Tamil Nadu, India

Abstract


Extract from the leaves of Tylophora asthmatica were investigated for antioxidant activity. The methanolic extract of T.asthmatica had a DPPH scavenging activity of 84.6% at 250μg/ml and a reductive potential of 0.77 at 100μg/ml. These values were comparable with those of Gallic acid, 91.4% at 250μg/ml and Ascorbic acid, 0.79 at 60μg/ml as standards for DPPH scavenging activity and reductive potential, respectively. These findings suggest that the rich phytochemical content of T.asthmatica and its good antioxidant activity may be responsible for its popular and wide traditional use. The experiment was carried out with the leaves of the selected medicinal plants. The results are discussed with the available literature.

Keywords


Tylophora asthmatica, Antioxidant Activity, Reductive Potential, DPPH.