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Molecules 2007, 12(7), 1352-1366; doi:10.3390/12071352
Article

Synthesis and Characterization of a Metal Complex Containing Naringin and Cu, and its Antioxidant, Antimicrobial, Antiinflammatory and Tumor Cell Cytotoxicity

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Received: 15 May 2007; in revised form: 20 June 2007 / Accepted: 3 July 2007 / Published: 9 July 2007
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Abstract: The antioxidant activity of flavonoids is believed to increase when they are coordinated with transition metal ions. However, the literature on this subject is contradictory and the outcome seems to largely depend on the experimental conditions. In order to understand the contribution of the metal coordination and the type of interaction between a flavonoid and the metal ion, in this study a new metal complex of Cu (II) with naringin was synthesized and characterized by FT-IR, UV-VIS, mass spectrometry (ESI-MS/MS), elemental analysis and 1H-NMR. The results of these analyses indicate that the complex has a Cu (II) ion coordinated via positions 4 and 5 of the flavonoid. The antioxidant, anti-inflammatory and antimicrobial activities of this complex were studied and compared with the activity of free naringin. The Naringin–Cu (II) complex 1 showed higher antioxidant, anti-inflammatory and tumor cell cytoxicity activities than free naringin without reducing cell viability.
Keywords: Naringin complexes;flavonoid;anti-inflammatory;antimicrobial and antioxidant activities Naringin complexes; flavonoid; anti-inflammatory; antimicrobial and antioxidant activities
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Pereira, R.M.; Andrades, N.E.; Paulino, N.; Sawaya, A.C.; Eberlin, M.N.; Marcucci, M.C.; Favero, G.M.; Novak, E.M.; Bydlowski, S.P. Synthesis and Characterization of a Metal Complex Containing Naringin and Cu, and its Antioxidant, Antimicrobial, Antiinflammatory and Tumor Cell Cytotoxicity. Molecules 2007, 12, 1352-1366.

AMA Style

Pereira RM, Andrades NE, Paulino N, Sawaya AC, Eberlin MN, Marcucci MC, Favero GM, Novak EM, Bydlowski SP. Synthesis and Characterization of a Metal Complex Containing Naringin and Cu, and its Antioxidant, Antimicrobial, Antiinflammatory and Tumor Cell Cytotoxicity. Molecules. 2007; 12(7):1352-1366.

Chicago/Turabian Style

Pereira, Regina M.; Andrades, Norma E.; Paulino, Niraldo; Sawaya, Alexandra C.; Eberlin, Marcos N.; Marcucci, Maria C.; Favero, Giovani M.; Novak, Estela M.; Bydlowski, Sérgio P. 2007. "Synthesis and Characterization of a Metal Complex Containing Naringin and Cu, and its Antioxidant, Antimicrobial, Antiinflammatory and Tumor Cell Cytotoxicity." Molecules 12, no. 7: 1352-1366.



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