Extraction, chemical modification and characterization of chitin and chitosan.
By Hakima El knidri, R. Belaabed, A. Addaou, A. Laajeb, A. Lahsini. International Journal of Biological Macromolecules, 2018
645 citations recorded by the source corpus.
Chitin is the second most common polymer after cellulose in earth, existing in the shells of crustaceans like crab and shrimp. Chitosan is a natural amino-polysaccharide derived from chitin, known as one of the most abundant organic materials in nature, it has been widely used in several applications due to its natural origin and exceptional properties such as biocompatibility, biodegradability, non-toxicity, and chelating of metal ions. Chitin and chitosan are characterized by deacetylation degree, one of the most important chemical characteristics that can influence the performance of chitosan in many applications. Chitosan is usually prepared by a thermochemical method, consuming time, energy and reagents. In this review, various methods of chitosan extraction will be approached and compared; the importance of a new method of ecological extraction will be emphasized. Moreover, in order to improve the chitosan functionality, and better control these physicochemical properties, several chemical modifications have been reported. These chemical modifications lead to a broad range of derivatives with a wide range of applications in many fields. Recent examples of the distinct applications, with particular emphasis on environmental applications, have been presented.
Subfields: Biomaterials, Water Science and Technology
View Paper: https://www.semanticscholar.org/paper/aa8bdc10ca7c1afcb2cd9be2fe12a3c99e842079
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In Biomaterials
Citations in the corpus
- Modification of Chitosan for the Generation of Functional Derivatives (2019, background): “The CS characteristics (in terms of DD, Mn, polydispersity, and crystallinity) strongly depend on the extraction method and the source of isolation and they can vary widely from batch to batch [6,17,19].”
- Chitosan Nanocomposite Coatings for Food, Paints, and Water Treatment Applications (2019, background): “primarily limited to laboratory-scale experiments [27].”