By Se-Kwon Kim
Biopolymers present in marine animals and vegetation provide super, mostly untapped pharmaceutical capability. learn indicates that those biopolymers can be utilized to strive against a variety of infectious in addition to inflammatory, oxidative, and carcinogenic elements. Chitin, Chitosan, Oligosaccharides and Their Derivatives: organic actions and functions covers the major points of those therapeutically worthwhile biopolymers and their derivatives, particularly, their houses, assets, creation, and purposes in foodstuff technology and know-how in addition to organic, biomedical, business, and agricultural fields.
Contains greater than a hundred Tables & Figures and more than 800 References
Written through forty overseas individuals who're major specialists within the box of common biomaterials, this booklet offers an outline of the assets and construction of chitin and chitosan derivatives. It additionally covers their:
- Physical and chemical aspects
- Structural transformations for biomedical applications
- Biological actions, specifically, antimicrobial, anti inflammatory, antioxidant, antihypertensive, anticancer, and antidiabetic activities
- Biomedical purposes, together with their attainable implications as drug, vaccine, and gene carriers
- Industrial and agricultural applications
With their wide selection of purposes, the realm is calling to biopolymers to function the root for sensible nutrition- and drug improvement. This publication is a vital source for these best this effort.
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Additional resources for Chitin, Chitosan, Oligosaccharides and Their Derivatives: Biological Activities and Applications
Bioactive compounds from marine processing byproducts—A review. Food Res Int. 39:383–393. -K. and Rajapakse, N. 2005. Enzymatic production and biological activities of chitosan oligosaccharides (COS): A review. Carbohydr Polym. 62:357–368. Knorr, D. 1984. Use of chitinous polymers in food. A challenge for food research and development. Food Technol. 38:85–97. Kozloff, E. 1990. Invertebrates. New York: Saunder College Publishing. Kumar, R. 2000. A review of chitin and chitosan applications. React Funct Polym.
A minimum period of 1 h was needed to extract 90% of the proteins, with 2 h removing most proteins in the shells (Shahidi and Synowiecki 1991). The removal of calcium carbonate, calcium phosphate, and other mineral salts found in shell waste is accomplished by extraction with dilute acids. It has been shown to be important that the amount of acid is stoichiometrically equal to or greater than all the minerals present in the shell to ensure complete DM (Sahidi and Synowiecki 1991). Hydrochloric acid at room temperature and a reaction time of 2–3 h was most commonly used even though DA and chain hydrolysis may be observed (No and Meyers 1995).
1 Molecular structures of (a) chitin and (b) chitosan. 2 The structural arrangements of chitin. chains per unit cell (Einbu 2007). 2; Carlstrom 1957, Gooday 1990, Kurita 2001, Rudrapatnam et al. 2002). α-Chitin is most abundant and is found in shellfish exoskeletons and fungal cell walls. β-Chitin is mainly found in squid pens and diatoms while γ-chitin may be predominantly found in squid and cuttlefish stomach lining. Isolation methods for the various types of chitin differ widely with α-oligomers requiring harsher methods than β-chitin (Minke and Blackwell 1978).