raffinose

[ raf-uh-nohs ]

noun

, Biochemistry.

1. a colorless, crystalline trisaccharide, C 1 8 H 3 2 O 1 6 ⋅5H 2 O, with little or no sweetness, occurring in the sugar beet, cottonseed, etc., and breaking down to fructose, glucose, and galactose on hydrolysis.

raffinose

/ -ˌnəʊs; ˈræfɪˌnəʊz /

noun

1. biochem a trisaccharide of fructose, glucose, and galactose that occurs in sugar beet, cotton seed, certain cereals, etc. Formula: C 18 H 32 O 16

raffinose

/ răf′ə-nōs′ /

1. A white crystalline sugar obtained from cottonseed meal, sugar beets, and molasses. Raffinose is an oligosaccharide, consisting of three simple sugars (fructose, galactose, and glucose) linked together. Chemical formula: C 18 H 32 O 16 .

Word History and Origins

Origin of raffinose¹

1875–80; < French raffin ( er ) to refine ( raffinate ) + -ose ²

Word History and Origins

Origin of raffinose¹

C19: from French raffiner to refine + -ose ²

Example Sentences

It is a constituent of sucrose, of raffinose, and of the polysaccharide inulin, from which it may be obtained by hydrolysis.

From Project Gutenberg

The hydrolysis of raffinose presents several interesting possibilities.

From Project Gutenberg

Three trisaccharides which are non-reducing sugars are found in plants; namely, raffinose, gentianose, and melizitose.

From Project Gutenberg

Of the higher sugars raffinose is fermented by juice from bottom yeast, but more slowly than cane sugar or maltose.

From Project Gutenberg