xylose(redirected from xylose absorption test, d-xylose absorption test)
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A pentose sugar, referred to in the early literature as l -xylose. It is present in many woody materials. The polysaccharide xylan, which is closely associated with cellulose, consists practically entirely of d- xylose. Corncobs, cottonseed hulls, pecan shells, and straw contain considerable amounts of this sugar. This pentose sugar is also a component of the hemicelluloses and the rare disaccharide, primeverose. See Carbohydrate