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  • WordNet 3.6
    • n polysaccharide any of a class of carbohydrates whose molecules contain chains of monosaccharide molecules
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Century Dictionary and Cyclopedia
    • n polysaccharide One of the group of complex carbohydrates which yield simple sugars when hydrolyzed by the action of enzymes, acids, or alkalis. The term sometimes includes the disaccharides and trisaccharides, but is more correctly limited to substances of the general formula (C6H10O5)n, where n is probably a large number. Starch, cellulose, dextrine, glycogen, and gums are polysaccharides.
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In literature:

But other enzymes specifically attack other disaccharides, or polysaccharides, or glucoside-like complexes.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher

In news:

Aloe Vera Gel With Long Chain Polysaccharides.
A Natural Polysaccharide for Personal Care.
Tamarind Polysaccharide and Wild Bilberry Extract for Skin and Hair.
Polysaccharide Storage Myopathy--Unraveling The Mystery.
Clinical trials are underway to assess new combination conjugate vaccines (containing A, C, Y, and W polysaccharides ), and it is probable that these more broadly protective vaccines will become available in the near future.
Tamarind Polysaccharide and Wild Bilberry Extract for Skin and Hair.
Used for centuries in Traditional Chinese Medicine, astragalus supports the immune system by stimulating immune cell activity with its high polysaccharide (complex carbohydrate) content.
Fructose polymer film made of a polysaccharide called levan has been processed on a twin-screw lab extruder at the U.S.

In science:

The scaling that justifies retaining the inertia effects is consistent with the dynamics of polysaccharide gel networks found in many living systems, such as in gliding myxobacteria, .
Effects of permeability and viscosity in linear polymeric gels
Proteins belong to the group of biopolymers, which also comprise nucleic acids (DNA, RNA) and polysaccharides.
Protein folding and heteropolymers
Cellulose is an extraordinarily stable polysaccharide due to its structure: insoluble, relatively resistant to acid and base hydrolysis, and inaccessible to all hydrolytic enzymes except those from a few biological sources.
A review of wildland fire spread modelling, 1990-present, 1: Physical and quasi-physical models
Also, the force-extension relations for the giant muscle protein titin [9,10], the polysaccharide dextran [10,11], and single molecules of xanthan were explained with the WLC model. A refined analysis of DNA’s force-extension relationship in terms of the WLC model was recently presented in .
Pulling strings at finite temperature: Another force-extension formula for the Worm-Like Chain Model