“galangin”的英文意思_释义_用法

单词

galangin

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.

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