galactosen.

Brit.

/ɡəˈlaktəʊz/,

/ɡəˈlaktəʊs/, U.S.

/ɡəˈlækˌtoʊs/,

/ɡəˈlækˌtoʊz/

Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: galacto- comb. form, -ose suffix².

Etymology: < galacto- comb. form + -ose suffix², after French galactose ( M. Berthelot Chim. organique (1860) II. iii. iii. 248). Compare German †Galactose (1861 or earlier; now Galaktose ). Compare slightly earlier lactose n.

Chemistry.

A white crystalline sugar which is a common component of natural oligo- and polysaccharides, notably lactose.Galactose is a monosaccharide, C₆H₁₂O₆.

ΘΚΠ

the world > food and drink > food > additive > sweetener > [noun] > sugar > lactose

sugar of milk1753

milk sugar1846

lactose1847

galactose1862

the world > matter > chemistry > organic chemistry > carbohydrates > sugars > monosaccharides > [noun] > by number of carbon atoms > having 6 carbon atoms > galactose

galactose1862

1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 199 The solution..contains a fermentable sugar..; probably identical with galactose [Ger. Gallactose], the product obtained from milk-sugar by the action of acids.

1878 C. T. Kingzett Animal Chem. 404 Milk sugar is also first converted into galactose before it ferments.

1934 C. C. Steele Introd. Plant Biochem. iii. viii. 74 Galactose..is present in many gums, mucilages, and pectins.

1970 R. W. McGilvery Biochemistry xxvi. 639 Some infants have defects of galactose metabolism... If the kinase is missing..the accumulation of galactose leads to formation of cataracts.

2001 L. Perretta Brain Food 18 During the digestion of food, carbohydrates..are broken down into smaller, simple sugar molecules such as fructose, galactose and glucose.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	galactose
释义	galactosen. Brit. /ɡəˈlaktəʊz/, /ɡəˈlaktəʊs/, U.S. /ɡəˈlækˌtoʊs/, /ɡəˈlækˌtoʊz/ Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: galacto- comb. form, -ose suffix². Etymology: < galacto- comb. form + -ose suffix², after French galactose ( M. Berthelot Chim. organique (1860) II. iii. iii. 248). Compare German †Galactose (1861 or earlier; now Galaktose ). Compare slightly earlier lactose n. Chemistry. A white crystalline sugar which is a common component of natural oligo- and polysaccharides, notably lactose.Galactose is a monosaccharide, C₆H₁₂O₆. ΘΚΠ the world > food and drink > food > additive > sweetener > [noun] > sugar > lactose sugar of milk1753 milk sugar1846 lactose1847 galactose1862 the world > matter > chemistry > organic chemistry > carbohydrates > sugars > monosaccharides > [noun] > by number of carbon atoms > having 6 carbon atoms > galactose galactose1862 1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 199 The solution..contains a fermentable sugar..; probably identical with galactose [Ger. Gallactose], the product obtained from milk-sugar by the action of acids. 1878 C. T. Kingzett Animal Chem. 404 Milk sugar is also first converted into galactose before it ferments. 1934 C. C. Steele Introd. Plant Biochem. iii. viii. 74 Galactose..is present in many gums, mucilages, and pectins. 1970 R. W. McGilvery Biochemistry xxvi. 639 Some infants have defects of galactose metabolism... If the kinase is missing..the accumulation of galactose leads to formation of cataracts. 2001 L. Perretta Brain Food 18 During the digestion of food, carbohydrates..are broken down into smaller, simple sugar molecules such as fructose, galactose and glucose. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < n.1862
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