BIO-SYNTHESIS OF COPPER NANOPARTICLES FROM INDIGOFERA TINCTORIA LEAF

Authors

Talabi Henry Kayode, Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure 340110, NigeriaFollow
Esther Dolapo Adewale, Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure 340110, Nigeria
Benjamin Omotayo Adewuyi, Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure 340110, Nigeria

Abstract

Leaf extracts are known to be rich in phytoconstituent biomolecules, making them a valuable source of medicinal compounds. They also serve as both capping and reducing agents in nanoparticle fabrication. A reaction between CuSO₄.5H₂O aqueous solution and the Indigofera tinctoria leaf extract results in the formation of stable copper nanoparticles. Phytochemical screening of the Indigofera tinctoria leaf extract revealed the presence of various compounds including carbohydrates, terpenoids, phenol, tannins, flavonoids, saponins, and glycosides in the sample. The biosynthesized copper nanoparticles (CuNPs) were subsequently subjected to various forms of analysis. Techniques used included UV–visible (UV–vis) spectroscopy, Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy. An observable change in the color of solutions from pale to thick brown indicated the formation of CuNPs. Further confirmation came from UV–vis spectroscopy, which established the production of CuNPs at 500 nm. FTIR analysis revealed that the CuNPs were covered by organic residues. The particles ranged from 210 nm to 260 nm as indicated from the SEM analysis.

Recommended Citation

Kayode, Talabi Henry; Adewale, Esther Dolapo; and Adewuyi, Benjamin Omotayo (2024) "BIO-SYNTHESIS OF COPPER NANOPARTICLES FROM INDIGOFERA TINCTORIA LEAF," Makara Journal of Science: Vol. 28: Iss. 2, Article 2.
DOI: 10.7454/mss.v28i2.2130
Available at: https://scholarhub.ui.ac.id/science/vol28/iss2/2