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Updated: May 16, 2026

Synthesis and Purification of Iodoaziridines Involving Quantitative Selection of the Optimal Stationary Phase for Chromatography
Published on: May 16, 2014
Functionalization of natural gum: an effective method to prepare iodine complex
Syed Ishraque Ahmad1, Nasreen Mazumdar, Sunil Kumar
1Department of Chemistry, Zakir Husain Delhi College, University of Delhi, New Delhi 110002, India. ahmad.ishraque@gmail.com
Researchers developed a novel iodine complex using functionalized gum arabic (GA). This stable, reddish-brown complex shows effective antimicrobial activity against Escherichia coli, offering a promising alternative for iodine delivery.
Area of Science:
- Polymer Chemistry
- Materials Science
- Microbiology
Background:
- Iodine's insolubility in water limits its applications.
- Polymer complexation is a strategy to improve iodine's properties.
- Natural polymers offer biocompatible platforms for complexation.
Purpose of the Study:
- To synthesize and characterize a novel iodine complex using functionalized gum arabic (GA).
- To evaluate the stability, iodine release, and antimicrobial efficacy of the synthesized complex.
- To compare the properties of the GA-iodine complex with a commercial polyvinylpyrrolidone-iodine complex.
Main Methods:
- Functionalization of gum arabic to introduce reactive groups.
- Iodination of functionalized GA in ethanol solution.
- Characterization using FTIR, TGA, and DSC.
- UV-vis spectrophotometry to study iodine interaction.
- Iodometric titration for iodine release quantification.
- Antimicrobial testing against Escherichia coli.
Main Results:
- A stable, reddish-brown iodine-gum arabic complex was successfully synthesized.
- The interaction between free iodine and functionalized GA was confirmed.
- The GA-iodine complex demonstrated effective antimicrobial activity against Escherichia coli.
- Iodine release studies provided quantitative data for comparison.
Conclusions:
- Functionalized gum arabic is a suitable carrier for iodine complexation.
- The synthesized iodine complex exhibits good stability and antimicrobial properties.
- This novel complex presents a viable alternative to existing iodine delivery systems.
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