Preparation, Characterization and Antimicrobial Activity of Thiourea-chitosan-Zn (II) Complex

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Abstract

Abstract: Thiourea-chitosan-Zn (II) complex was prepared and characterized by FT-IR, UV-Vis absorbance spectra, XRD and TG-DTA methods. The antimicrobial activities of chitosan, thiourea-chitosan and thiourea-chitosan-Zn (II) complex against Escherichia coli, Staphylococcus aureus and Aspergillus niger were investigated in vitro. The results showed that the antimicrobial activity of thiourea-chitosan-Zn (II) complex obviously enhanced compared to the chitosan and thiourea-chitosan, which can effectively inhibit the growth of Aspergillus niger.

Key words: Chitosan, Thiourea-chitosan-Zn(II) complex, Preparation, Antimicrobial activity

CLC Number:

O627181

FENG Xiao-qiang, LI Xiao-fang, YANG Sheng. Preparation, Characterization and Antimicrobial Activity of Thiourea-chitosan-Zn (II) Complex[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2012, 23(8): 1075-.

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Preparation, Characterization and Antimicrobial Activity of Thiourea-chitosan-Zn (II) Complex

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