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单词 aglycone
释义 aglycone Chem.|əˈglaɪkəʊn|
[ad. G. aglykon (A. Windaus et al. 1925, in Zeitschr. f. Physiol. Chemie CXLV. 38), f. a- 14 + glyco- + -one.]
The portion of a glycoside which remains when the sugar component is removed; called an aˈglucone when the sugar involved is glucose.
1925Jacobs & Hoffmann in Proc. Soc. Exp. Biol. & Med. XXIII. 214 The digitalis glucosides, digitoxin, and gitoxin..contain different although possibly related aglucones, respectively digitoxigenin and gitoxigenin.1938A. T. Cameron Textbk. Biochem. (ed. 5) iv. 94 The ‘aglycone’ (non-carbohydrate portion) of the glucoside.Ibid. v. 122 These aglycones..possess chemical structures which relate them to the sterols.1941Ann. Reg. 1940 344 The aglucone fraction of the cardiac glucosides..[has] the same skeleton as cholesterol.1964Guthrie & Honeyman Chem. Carbohydrates (ed. 2) viii. 58 The non-sugar portion [of a glycoside], known as the aglycone (aglucone when the substance is a glucoside), is an alcohol or a phenol.
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