Uptake of Mineral by Chitosan | Chapter 5 | Microbiology and Biotechnology Research: An Overview Vol. 2

Antimicrobial medications have significantly altered not only the treatment of infectious diseases but also the trajectory of human development. In terms of effectiveness and protection, the medications were synthetic and had drawbacks. Using protein accesses, chitosan was extracted from shrimp shell waste by protection, demineralization, decolorization, and acetylation procedures. FTIR, SEM, and XRD methods were used for characterization. Additionally assessed were the physicochemical parameters, including viscosity, degree of acetylation, moisture content, hydrogen meter readings, and solubility. By mixing chitosan with minerals, chitosan-derived compounds that function as efficient polymeric adsorbent matrices have been created. According to research, chitosan composites have improved endurance in acidic environments and outstanding adsorption capabilities. Because of the interaction between the dissociated silanol groups in water and the protonated amino groups in the polymer, chitosan has a strong affinity for the surfaces of materials that are rich in silica. The age of the bacterial culture had an impact on its sensitivity to chitosan because cells were more vulnerable during the late exponential phase. Heterochitosan oligosaccharides were created when chitosan was partially acetylated at 90%, 75%, and 50% levels. Heterochitosan and its oligosaccharides clearly reduced the growth of gram-positive bacteria more than gram-negative bacteria. It is crucial to note that chitosan interacts with sodium since any alteration in the concentrations of the two chemicals would imply that the deadly activity of chitosan is independent of cell volume. These results show that the antibacterial properties of hetero chitosan and their oligosaccharides are influenced by both the molecular weight and the degree of acetylation.

Author (s) Details

Walla Shaker Mahmoud
Department of Biotechnology, College of Science, University of Baghdad, Iraq.

 

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