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Synthesizing and Characterization of Natural Biopolymer Chitosan Derived from Shrimp Type, Penaeus monodon

Authors:

GA Sewvandi,

Department of Mechanical Engineering, University of Moratuwa, LK
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SU Adikary

Department of Materials Science and Engineering, University of Moratuwa, Moratuwa,, LK
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Abstract

In this study natural biopolymer “chitosan” was synthesized using locally  available shrimp type of Penaeus monodon. Synthesis of chitosan involved four main stages;  preconditioning, demineralization, deprotenisation  and deacetylation. The first stage,  “preconditioning” process, is a new step introduced in this research. Effect of deacetylation  conditions such as alkali concentration, number of times deacetylation was performed and  reaction temperature was investigated. Yields of chitin and chitosan from P. monodon were  calculated. Chitosan was characterized using Fourier Transform Infrared (FTIR)  Spectroscopy and X-ray diffraction. Degree of deacetylation of synthesized powder was  calculated using FTIR spectra. Both characterization techniques confirm the existence of chitosan.

Tropical Agricultural Research Vol. 23 (3): 272-276 (2012)

DOI: http://dx.doi.org/10.4038/tar.v23i3.4664
How to Cite: Sewvandi, G. & Adikary, S., (2012). Synthesizing and Characterization of Natural Biopolymer Chitosan Derived from Shrimp Type, Penaeus monodon. Tropical Agricultural Research. 23(3), pp.272–276. DOI: http://doi.org/10.4038/tar.v23i3.4664
Published on 19 Sep 2012.
Peer Reviewed

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