| 单词 |
raffinose |
| 释义 |
raffinose Chem.|ˈræfɪnəʊz, -s|
[a. F. raffinose (D. Loiseau 1876, in Compt. Rend. LXXXII. 1058), f. raffiner to refine: see -ose2.]
A non-reducing trisaccharide sugar found in sugar-beet, cotton seed, and many cereals.
1876Jrnl. Chem. Soc. XXX. 398 At 20° water dissolves one-seventh of its weight of raffinose. 1881Watts Dict. Chem. 3rd Suppl. 1743 Raffinose..is crystalline, colourless, easily soluble in water, sparingly in alcohol. 1894Morley & Muir Watts' Dict. Chem. IV. 394 In a mixture of cane-sugar and raffinose, the amount of raffinose may be determined by observing the change of rotatory power after hydrolysis. 1934Industr. & Engin. Chem. Apr. 462/1 The cottonseed meal has been the raw material from which most of the small supply of pure raffinose has been obtained. 1950Thorpe's Dict. Appl. Chem. (ed. 4) X. 468/1 The arrangement of the hexoses in raffinose is galactose-glucose-fructose. 1970A. L. Lehninger Biochem. xi. 227 Raffinose (fructose, glucose, galactose) is found in abundance in sugar beets and many other higher plants. |
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