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polysaccharide |
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polysaccharide: see carbohydrate carbohydrate, any member of a large class of chemical compounds that includes sugars, starches, cellulose, and related compounds. These compounds are produced naturally by green plants from carbon dioxide and water (see photosynthesis ). ..... Click the link for more information. . polysaccharideAny of a large class of long-chain sugars composed of monosaccharides. Because the chains may be unbranched or branched and the monosaccharides may be of one, two, or occasionally more kinds, polysaccharides can be categorized in various ways. Cellulose, starch, glycogen, and dextran are all polysaccharides of glucose, with different configurations. Pectins are composed of a galactose derivative, chitin of a glucose derivative. Connective tissues, joint fluid, and cartilage contain two-component polysaccharides, including heparin. See also oligosaccharide. |
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| Fructose polymer film made of a polysaccharide called levan has been processed on a twin-screw lab extruder at the U. Alginate is a polysaccharide extracted from kelp that, with the addition of calcium, forms a hydrogel used to thicken food and encapsulate drugs. The polymeric coating can be a polyarcylate, polyacrylamide or polysaccharide, for example. |
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polysaccharide
