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Updated: Aug 25, 2025

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper

Published on: February 27, 2021

Chitin, Chitosan, and Nanochitin: Extraction, Synthesis, and Applications.

Michael Kozma¹, Bishnu Acharya², Rabin Bissessur¹

¹Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PE C1A 4P3, Canada.

|October 14, 2022

Summary

This review details sustainable chitin extraction from crustacean shells. It covers converting chitin into chitosan and nanochitin, and their diverse applications in materials science and biomaterials.

Keywords:

chitin chitosan circular bioeconomy crustacean shell extraction methods nanochitin

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Last Updated: Aug 25, 2025

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Area of Science:

Biomaterials Science
Sustainable Chemistry
Biopolymer Engineering

Background:

Crustacean shells represent a sustainable and abundant source of chitin, a valuable biopolymer.
Current research focuses on developing eco-friendly chitin extraction methods with high yields and minimal waste.
Chitin's derivatives, chitosan and nanochitin, offer versatile properties for various applications.

Purpose of the Study:

To review and compare common chitin extraction methodologies.
To describe the synthesis of chitosan and nanochitin from extracted chitin.
To explore the broad spectrum of applications for chitin and its derivatives.

Main Methods:

Comparative analysis of chemical, biological, ionic liquid, and deep eutectic solvent-based chitin extraction techniques.
Overview of chemical and physical methods for converting chitin into chitosan.
Description of processes for synthesizing nanochitin from chitin.

Main Results:

Chitin extraction methods vary in efficiency, cost, and environmental impact.
Chitosan and nanochitin can be synthesized with tailored properties.
Chitin derivatives demonstrate significant potential in diverse fields.

Conclusions:

Sustainable chitin extraction is crucial for resource utilization.
Chitosan and nanochitin are versatile materials with numerous industrial and biomedical applications.
Further research can optimize extraction and modification processes for enhanced performance.