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VOL. 7, ISSUE 1 (2022)
Effects of antioxidant and antibacterial activities of flavonoid extract of Andrographis echioides
Authors
K Kesavakumari
Abstract
The present study assessed the antioxidant and antibacterial activities of flavonoid extract of Andrographis echioides leaves. The antioxidant activity was determined by ABTS radical lipid peroxidation inhibition, superoxide scavenging and metal chelating assay and also antibacterial activity was evaluated by the disc diffusion method. The flavonoid extract of A. echioides showed high antioxidant activity ABTS (76.32%), lipid peroxidation inhibition (78.23), superoxide scavenging (71.23%) and had antibacterial activity against both Gram positive and Gram negative bacteria. Higher inhibition zone was detected against S. aureus (17.2 mm). The extract of this plant showed high phenolic, flavonoids contents and it can be concluded that these compounds may be responsible for antioxidant and antibacterial activity. The results indicated that the flavonoid extract of Andrographis echioides possessed strong antibacterial and antioxidant properties and could be an important source of natural compounds for development of new drugs.
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Pages:71-75
How to cite this article:
K Kesavakumari "Effects of antioxidant and antibacterial activities of flavonoid extract of <em>Andrographis echioides</em> ". International Journal of Botany Studies, Vol 7, Issue 1, 2022, Pages 71-75
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