Abstract
In view of the various and promising biological activities of gallic acid, we designed and prepared a series of poly-phenolic compounds carrying multi-gallic acids residues. These dimer and tetramer of gallic acids were facilely synthesized by convergent approach. Subsequently, antioxidant activity evaluation was carried out using DPPH assay, and the resulting polyphenol exerted enhanced activity to gallic acid monomer. Antiproliferative activity evaluation was performed using MTT assay with three human cancer cell lines (Hela, A549 and MCF-7) and two human normal cell lines (HEK293 and HUVEC). The cytotoxicity of the dimer and tetramer of gallic acid were higher than that of the monomer against both cancer and normal cell lines, however the cytotoxicity of the dimer and tetramer against cancer cells was much fiercer than normal cells, which resulted in better selectivity. Consequently, vanlency effects embodied in both antioxidant and antiproliferative activities of the obtained multi-gallic acid derivatives.
Keywords: Gallic acid, Polyphenol, Antioxidant activity, Antiproliferative activity, Vanlency effects, Convergent synthesis.
Letters in Drug Design & Discovery
Title:Dimer and Tetramer of Gallic Acid: Facile Synthesis, Antioxidant and Antiproliferative Activities
Volume: 11 Issue: 1
Author(s): Junzhu Pan, Dongqin Yin, Lifang Ma, Yi Zhao, Jing Zhao and Li Guo
Affiliation:
Keywords: Gallic acid, Polyphenol, Antioxidant activity, Antiproliferative activity, Vanlency effects, Convergent synthesis.
Abstract: In view of the various and promising biological activities of gallic acid, we designed and prepared a series of poly-phenolic compounds carrying multi-gallic acids residues. These dimer and tetramer of gallic acids were facilely synthesized by convergent approach. Subsequently, antioxidant activity evaluation was carried out using DPPH assay, and the resulting polyphenol exerted enhanced activity to gallic acid monomer. Antiproliferative activity evaluation was performed using MTT assay with three human cancer cell lines (Hela, A549 and MCF-7) and two human normal cell lines (HEK293 and HUVEC). The cytotoxicity of the dimer and tetramer of gallic acid were higher than that of the monomer against both cancer and normal cell lines, however the cytotoxicity of the dimer and tetramer against cancer cells was much fiercer than normal cells, which resulted in better selectivity. Consequently, vanlency effects embodied in both antioxidant and antiproliferative activities of the obtained multi-gallic acid derivatives.
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Pan Junzhu, Yin Dongqin, Ma Lifang, Zhao Yi, Zhao Jing and Guo Li, Dimer and Tetramer of Gallic Acid: Facile Synthesis, Antioxidant and Antiproliferative Activities, Letters in Drug Design & Discovery 2014; 11 (1) . https://dx.doi.org/10.2174/15701808113109990032
DOI https://dx.doi.org/10.2174/15701808113109990032 |
Print ISSN 1570-1808 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-628X |
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