Xylose

Chem. [f. Gr. ξύλον wood + -OSE².] A colorless carbohydrate, C₅H₁₀O₅, obtained by the action of sulphuric acid on xylan; also called wood-sugar.

1894.  Muir & Morley, Watts’ Dict. Chem., IV. 538/2.

1899.  Cagney, trans. von Jaksch’s Clin. Diagn., vii. (ed. 4), 334. [Pentose], in the form of arabinose, rhamnose and xylose, has been identified in the urine.