| 释义 |
galangin Chem.|gəˈlæŋgɪn, gəˈlændʒɪn|
[a. G. galangin (E. Jahns 1881, in Ber. d. Deut. Chem. Ges. XIV. 2385), f. galanga + -in1.]
A derivative of flavone, 3,5,7-tri-hydroxyflavone, present in a species of galingale (Alpinia officinarum).
1882Jrnl. Chem. Soc. XLII. 209 Galangin is deposited from a solution in absolute alcohol in six-sided plates. 1918Perkin & Everest Nat. Organic Colouring Matters vii. 177 Galangin, C15H10O5, the second constituent of galanga root, crystallizes in yellowish-white needles, melting-point 214–215°, soluble in alkaline solutions with a yellow colour. 1961Encycl. Brit. II. 27/1 Among the better known of the anthoxanthins..may be mentioned..galangin. |
