Waste to wealth and health: bio-recovery and applications of chitin and its derivatives
by Lakshmi Machineni
International Journal of Environmental Technology and Management (IJETM), Vol. 26, No. 3/4/5, 2023

Abstract: The search for new molecules that are useful for human health and eco-friendly has led to the study of molecules derived from plants, animals and microorganisms. Chitin is the second most ubiquitous natural polysaccharide after cellulose on the Earth, comprising repeating units of N-acetyl-D-glucosamine. However, because chitin in its natural form has high crystallinity and low solubility, its applications are limited. Modified chitin can be converted into chitooligosaccharides with varied degree of polymerisation by either chemical or enzymatic methods. Even though this review has emphasised on the different chitin extraction methods and their applications, the biological methods discussed in detail could suggest new understanding about non-toxic chitin extraction methods. In addition, an attempt has been made to highlight the recent research on their commercial applications.

Online publication date: Sun, 07-May-2023

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