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hemicellulose |
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hemicellulose [¦he·mē′sel·yə‚lōs]
(biochemistry) (C6H10O5)nA type of polysaccharide found in plant cell walls in association with cellulose and lignin; it is soluble in and extractable by dilute alkaline solutions. Also known as hexosan. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Simmons said that once the EmimAc had dissolved the switchgrass biomass into its three components - cellulose and hemicellulose sugars, plus lignin, the woody fiber that gives strength and structure to plant cell walls - the subsequent addition of an anti-solvent, such as water, resulted in the sugars being precipitated out while most of the lignin remained in solution, a requirement for recovering the sugars. [ILLUSTRATION OMITTED] Lignol has developed a biorefinery process that involves separation of lignin from cellulose and hemicellulose in biomass by heating the material above 175[degrees]C in aqueous ethanol. Different types of plants have varying amounts and kinds of fiber, including pectin, gum, mucilage, cellulose, hemicellulose and lignin. |
hemicellulose |
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