单词 | glucoside |
释义 | glucosiden. Chemistry. Originally: any of a class of substances which can be broken down into glucose (or another simple sugar) and another compound. In later use: a glycoside in which the sugar is glucose.Cf. glycoside n. and see the note at that entry. ΘΚΠ the world > matter > chemistry > organic chemistry > carbohydrates > sugars > [noun] > glycosides glucoside1855 glycoside1862 riboside1914 1855 W. Mayer in Chem. Gaz. 15 Mar. 113 It appeared probable that this resin might consist essentially of a glucoside. 1889 G. M'Gowan tr. A. Bernthsen Text-bk. Org. Chem. 512 As glucosides are designated a series of vegetable substances which are so broken up by alkalies, acids, or ferments, that one of the products of this decomposition is a glucose, usually grape sugar. 1910 Encycl. Brit. XII. 142/1 Although glucose is the commonest sugar present in glucosides, many are known which yield rhamnose or iso-dulcite; these may be termed pentosides. 1930 Jrnl. Amer. Chem. Soc. 52 1681 The word glycoside is used in the generic sense to include glucoside-like derivatives of any of the aldoses or ketoses; the term glucoside is limited to the glycosides of the particular sugar glucose. 1957 Encycl. Brit. X. 444/1 The complex sugars (polysaccharides) may..be regarded as glucosides since they consist of ethers formed from two or more simple sugars. 2006 Morning Star (Nexis) 17 July (Letters section) The primary extract from willow or poplar bark is salicylin, which is a glucoside (glucopyranoside) of salicylic acid. This entry has been updated (OED Third Edition, September 2018; most recently modified version published online March 2022). < n.1855 |
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