pentose

American  

[pen-tohs] / ˈpɛn toʊs /

noun

Chemistry.

1. a monosaccharide containing five atoms of carbon, as xylose, C 5 H 1 0 O 5 , or produced from pentosans by hydrolysis.

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pentose British  

/ ˈpɛntəʊs /

noun

1. any monosaccharide containing five atoms of carbon per molecule: occur mainly in plants and the nucleic acids

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pentose Scientific  

/ pĕn′tōs′ /

1. Any of a class of simple sugars (monosaccharides) having five carbon atoms per molecule. Ribose and deoxyribose are pentoses.

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Etymology

Origin of pentose

First recorded in 1890; from German see pent-, -ose ²

Example Sentences

The simple sugars are galactose, fructose, glycogen, and pentose.

From Textbooks • Jun. 9, 2022

Pen, pentose; Hex, hexose; HexA, corresponding sugar acid. bPairs of saponins with the same chemical formula but different retention times.

From Nature • Feb. 7, 2017

Pen, pentose; Hex, hexose; HexA, corresponding sugar acid. bPairs of saponins with the same chemical formula but different retention times.

From Nature • Feb. 7, 2017

The remaining monosaccharides are the two pentose sugars, each of which contains five atoms of carbon.

From Textbooks • Jun. 19, 2013

The pentose nitrates are comparatively stable at 50°; the hexose nitrates on the other hand are extremely unstable, showing a loss of weight of 30-40 p.ct. when kept 24 hours at this temperature.

From Researches on Cellulose 1895-1900 by Cross, C. F.