Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A yellow, water-soluble, gummy polysaccharide found in plant cell walls and yielding xylose upon hydrolysis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A polysaccharide, consisting of xylose residues, found in the cell walls of some algae and plants.

from the GNU version of the Collaborative International Dictionary of English

  • n. A gummy substance of the pentosan class, present in woody tissue, and yielding xylose on hydrolysis; wood gum.

from The Century Dictionary and Cyclopedia

  • n. A gelasinous, levorotatory compound, C5H8-O4(?), contained in all kinds of wood. With sulphuric acid it yields the sugar xylose; boiling mineral acids convert it chiefly into fur-furaldehyde. It is also called wood-gum.

Etymologies

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Examples

  • Xylitol: A sugar alcohol, derived from xylan a complex sugar chain, sort of like cellulose, which is found in corncobs, straw, almond shells, and birch bark which is then broken down into individual units of a simple sugar, called xylose, which is then hydrogenated to make xylitol.

    Sweeter Than Sugar?

  • The ability of snails to hydrolyze plant polysaccharides xylan, mannan, starch and cellulose as well as chitin, an animal and fungal polysaccharide, is probably an indication of their omnivorous diet.

    Archive 2006-04-01

  • His method for the determination of chain length in methylated polysaccharides, an important structural problem, helped to settle the basic features of the starch, cellulose, glycogen, inulin and xylan molecules.

    Norman Haworth - Biography

  • Xylitol is a natural low-glycemic sweetener, manufactured from birch trees, corn, or other natural xylan-rich sources.

    Wil's Ebay E-Store

  • - Xylathin (TM) xylanase rapidly degrades xylan significantly improving the economics of processing wheat into

    WN.com - Articles related to Professor brings clean power to African villages

  • The team created a strain of B. ovatus that used xylan to induce secretion of human keratinocyte growth factor, a protein that helps repair and restore the intestine's delicate lining.

    PhysOrg.com - latest science and technology news stories

  • B. ovatus thrives in the oxygen-free environment of the large intestine, where it breaks down xylan-a fiber found in plants-and other sugars for energy and growth.

    PhysOrg.com - latest science and technology news stories

  • The researchers found that IBD-affected mice treated with oral doses of xylan and the engineered strain of B. ovatus had intestinal tissues that healed more rapidly.

    PhysOrg.com - latest science and technology news stories

  • Triticum aestivum endoxylanase inhibitor, and adding xylan to the mix.

    FoodQualityNews RSS

  • The PhD project aims at elucidation of xylan-pectin-lignin interactions in cell walls.

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