Research Articles

2019  |  Vol: 5(1)  |  Issue: 1(January-February)  |  https://doi.org/10.31024/ajpp.2019.5.1.14

Antibacterial activity, biosynthesis and characterization of Silver nanoparticle from the leaf extract of Andrographis echioides (L.) Nees.

Sathish Kumar D.¹* Francis Xavier T.²

¹Research scholar, Department of Botany, St, Joseph’s College Tiruchirappalli-620 002, Tamilnadu, India

²Assistant professor, Department of Botany, St, Joseph’s College Tiruchirappalli-620 002, Tamilnadu, India

*Address for Corresponding Author

Sathish Kumar D.¹*

Department of Botany, St. Joseph’s College Tiruchirappalli-620 002, Tamilnadu, India

Abstract

Objective: The green synthesis method is eco-friendly, efficient and effective method for the synthesis of silver nanoparticle using the leaf extract of the plant Andrographis echioides. It also focuses on antibacterial activity of synthesized nanoparticle. Materials and methods: The plant extract acts as a reducing or capping agent in their complex formation reaction. The obtained silver nanoparticle was characterized by using UV, FTIR, FE-SEM and EDAX studies. The nanoparticle was subjected to antibacterial activity of include both gram positive and gram negative bacterial pathogens. The morphology study of nanoparticle elemental analysis of silver and the particle size analyzed for size of the nanoparticle. Results and conclusion: The synthesized nanoparticle possesses appreciable size and shape. This was confirmed by the chemical studies. The antibacterial activity of silver nanoparticle showed the average zone of inhibition.

Keywords: Andrgraphis echioides, Antibacterial activity, Silver nanoparticles and green synthesis