View synonyms for xylose

xylose

[ zahy-lohs ]

Phonetic (Standard)IPA

noun

, Chemistry.

a colorless, crystalline pentose sugar, C 5 H 10 O 5 , derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used.

xylose

/ ˈzaɪləʊz; -ləʊs /

a white crystalline dextrorotatory sugar found in the form of xylan in wood and straw. It is extracted by hydrolysis with acids and used in dyeing, tanning, and in foods for diabetics. Formula: C 5 H 10 O 5

xylose

/ zī′lōs′ /

A white crystalline sugar extracted from wood, straw, and corn. It is used in dyeing and tanning and as a substitute for sucrose in diabetic diets. Chemical formula: C 5 H 10 O 5 .

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Origin of xylose¹

1890–95; < Greek xýl ( on ) wood + -ose ²

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The wound gums, for example, yield arabinose, and the wood gums yield xylose.

The product of hydrolysis appears, therefore, to be xylose or a closely related derivative.

All attempts to obtain a crystallisation of xylose from the solution neutralised (BaCO3), filtered, and evaporated, failed.

They have found it possible to work up the corn cobs into glucose and xylose by heating with acid.

But glucose can be more cheaply obtained from other starchy or woody materials and they cannot find a market for the xylose.

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