Department of Microbiology, Faculty of Science, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, India.


Department of Microbiology, Faculty of Science, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, India.


Department of Microbiology, Faculty of Science, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, India.


Department of Microbiology, Faculty of Science, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, India.


Department of Microbiology, Faculty of Science, Annamalai University, Annamalai Nagar-608002, Tamil Nadu, India.


Centre of Material Engineering and Regenerative Medicine, Bharath Institute of Science and Technology, BIHER, Selaiyur, Chennai-600073, Tamil Nadu, India.

*Author to whom correspondence should be addressed.


Selenium is an important trace element for human health. Organic and inorganic selenium have different biological and physicochemical properties than selenium nanoparticles. We hoped to synthesize selenium nanoparticles from Acacia catechu extract. Synthesized nanoparticles are used for flavonoids, phenolic compounds, lowering sugar tests, etc. The Fourier Transform Infrared spectra are used to detect the reduced and stabilized functional groups of metabolites in an acacia bark extract and their likely role in selenium nanoparticle formation. The color change indicates biological sodium selenite reduction by Acacia catechu extract. Antioxidant properties of selenium nanoparticles are tested using 2,2 diphenyl 1 picrylhydrazyl, 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid), and lipid peroxide radical scavenging action. Our results show that manufactured selenium nanoparticles boost antioxidant activity. Selenium nanoparticles are effective radical scavengers that could be used in food and medicine.

Keywords: Phytochemical activity, antioxidant activity, Acacia catechu, selenium nanoparticles

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