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.


Sorry, no etymologies found.


  • 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.

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  • 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.

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  • 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.

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

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  • - Xylathin (TM) xylanase rapidly degrades xylan significantly improving the economics of processing wheat into - 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. - 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. - 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. - latest science and technology news stories

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

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

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