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lignin |
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lignin [lig′nin] Etymology: L, lignum, wood an insoluble polysaccharide that with cellulose and hemicellulose forms the chief part of the skeletal substances of the cell walls of plants. It provides bulk in the diet necessary for proper GI functioning. See also dietary fiber. lignin (lig´nin), n the heteropolysaccharides contained in the cell walls of plants that provides dietary fiber for digestion. lignin an almost completely indigestible plant polyphenol present in large quantities in wood, hulls and straw. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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So, a cellulose-extraction process must remove some of the lignin and hemicellulose from the rice straw but leave behind enough of these two plant components to bind the cellulose fiber, Yang explains. Lignin hinders extraction of cellulose, the sugar-containing component that is needed to make ethanol fuel. Key statement: The allergenicity of natural rubber latex is reduced prior to its vulcanization by admixing with aluminum hydroxide, lignin or fumed silica to denature the antigenic proteins. |
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