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lignin a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
Ãâó: wordnet.princeton.edu/perl/webwn
lignin (L. lignum, wood) A group of high-molecular-weight amorphous materials, comprising polymers of phenylpropanoid compounds, giving strength to certain tissues. Wood is composed of lignified xylem cells (about 15 to 30% by weight).
Ãâó: www.fao.org/docrep/003/X3910E/X3910E15.htm
lignin Mixed organic polymers of complex structure with units derived from phenylpropane and other complex phenolics. A component of many plant cell walls--especially in secondary wall structure.
Ãâó: www.botanyvt.com/pages/dictionary.shtml
lignin A complex polymer that occurs in woody material of higher plants. It is highly resistant to chemical and enzymatic degradation. Lignin is composed of various intermolecular linkages between phenylpropanes and guaiacyl, syringyl, p-hydroxyphenyl, and biphenyl nuclei. ...
Ãâó: www.alken-murray.com/glossarybug2.html
lignin is a polymer of conferyl alcohol found in wood. Lignin may be oxidized to gave vanillin. Vanillin is used as a rubber strengthener, and in laboratories to precipitate proteins.
Ãâó: www.springboard4health.com/notebook/dict_l.html
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