Journal
BIOINORGANIC CHEMISTRY AND APPLICATIONS
Volume 2021, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2021/8818452
Keywords
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Funding
- University of Birjand, Iran
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Quercetin, a dietary flavonoid found in medicinal plants, vegetables, and fruits, has garnered attention for its antioxidant, antibacterial, and anticancer properties. This study synthesized a Schiff base complex using quercetin and ethanolamine, which was then used to create a nanoscale Cu (II) complex with remarkable catalytic and antibacterial activity against both Gram-positive and Gram-negative bacteria.
Quercetin (3,3',4',5,7-pentahydroxyflavone) is one of the dietary flavonoids, distributed in medicinal plants, vegetables, and fruits. Quercetin has the ability to bind with several metal ions to increase its biological activities. In the last two decades, quercetin has attracted considerable attention due to the biological and pharmaceutical activities such as antioxidant, antibacterial, and anticancer. In the present study, quercetin and ethanolamine were used for the synthesis Schiff base complex, which was characterized by IR, H-1 NMR, and C-13 NMR spectroscopy. The Schiff base has been employed as a ligand for the synthesis of novel nanoscale Cu (II) complex. The product was characterized by FT-IR spectroscopy, FESEM, and XRD. Significantly, the product showed remarkable catalytic activity towards the oxidation of primary and secondary alcohols. The antibacterial activity of the final product was assessed against Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative) bacteria using an inhibition zone test. The synthesized nanoscale Cu (II) complex exhibited a strong antibacterial activity against both Gram-positive and Gram-negative bacteria.
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