单词	xylan
释义	xylan /ˈzīlan / noun A polysaccharide found in plant cell walls that hydrolyzes to xylose.Among plant cell wall hemicellulose components, arabinoxylans and xylans are widely distributed.... Individual cells are also supplied with cell walls, usually of cellulose or xylan (another polysaccharide) fibers. In the PCW, uronic acid residues are found as constituents of xylans, pectins, glucuronomannans and arabinogalactan-proteins.
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