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Biochemistry, Genetics and Molecular Biology » "Solubility of Polysaccharides", book edited by Zhenbo Xu, ISBN 978-953-51-3650-7, Print ISBN 978-953-51-3649-1, Published: November 29, 2017 under CC BY 3.0 license. © The Author(s).

Chapter 1

Introductory Chapter: Polysaccharides and their Solubility

By Zhenbo Xu
DOI: 10.5772/intechopen.70137

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Introductory Chapter: Polysaccharides and their Solubility

Zhenbo Xu
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Essential for living organisms, polysaccharides are polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages and on hydrolysis releases the constituent monosaccharides or oligosaccharides [1, 2], including storage polysaccharides (such as starch and glycogen) and structural polysaccharides (cellulose and chitin). Starch is universally existed in plants, with cellulose and chitin found in the cell walls of plants, fungi, and other organisms [3]. Based on the component units, polysaccharides are classified into homopolysaccharide (distinctive types) and heteropolysaccharides (different types). Unbranched polysaccharides contain only α-1, 4 linkages, however, branched polysaccharides compose molecular linkage via α-1, 4 and α-1, 6 glycosidic bonds [46]. The rate of the bonds formation may vary. The plant-based amylopectin and the animal-based glycogen contain a branch every 30 and 10 units, respectively. During digestion, as a major catalyst on the branched polysaccharides, α-amylase only digests α-1, 4 glycosidic bonds, and the rest disaccharide/polysaccharide fragments contains α-1, 6 bonds [7]. Homoglycans with two types of saccharide linkages or heteroglycans composed of two types of saccharide are more soluble than purely homogeneous polymers [5]. However, poor solubility of polysaccharides significantly limits its development and application.

In this book, the principles on polysaccharides solubility and structure, methodologies and application of polysaccharides have been reviewed. The five chapters in this book include polysaccharides structure and solubility, osmotic properties of polysaccharides solutions, polysaccharides in solution experimental and computational studies, antioxidative activity of sulfated seaweed polysaccharides by variety-assisted extraction and starch galactomannans mixtures rheological and viscosity behavior in aqueous systems for food modeling.


1 - Fukaya Y, Sugimoto A, Ohno H. Superior solubility of polysaccharides in low viscosity, polar and halogen-free 1, 3.- dialkylimidazolium formats. Biomacromolecules. 2006;7:3295-3297
2 - Whistler RL. Solubility of polysaccharides and their behavior in solution. Advances in Chemistry. 1973;117:242-255
3 - Kardosova A, Machova E. Antioxidant activity of medicinal plant polysaccharides. Fitoterapia. 2006;77:367-373
4 - Gooneratne J, Magsak-Newman G, Robertson JA, et al. Investigation of factors that affect the solubility of dietary fiber, as nonstarch polysaccharides, in seed tissues of mung bean (Vigna radiata) and Black Gram (Vigna mungo). Journal of Agricultural and Food Chemistry. 1994;42:606-611
5 - Zakrzewska ME, Bogel-Lukasik E, Bogel-Lukasik R. Solubility of carbohydrates in ionic liquids. Energy and Fuels. 2010;24:737-745
6 - Fu G, Liu C, Tu Z. Studies on the isolation, purification and composition of water-solubility polysaccharides from Agrocybe Chaxingu. Food Science. 2005;9:151-155
7 - Naskar B, Dan A, Ghosh S, et al. Viscosity and solubility behavior of the polysaccharide inulin in water, water + dimethyl sulfoxide, and water + isopropanol media. Journal of Chemical & Engineering Data. 2010;55:2424-2427