释义 |
Liebermann–Burchard Biochem.|ˌliːbəmænˈbʊəkɑːt| [The names of Carl Liebermann (1842–1914) and H. Burchard, German chemists.] Liebermann–Burchard reaction, the reaction of unsaturated sterols with acetic anhydride and sulphuric acid in chloroform, which produces various coloured solutions; used esp. as a test for cholesterol, when a blue-green colour is produced; so Liebermann–Burchard test.
1904W. R. Orndorff tr. Salkowski's Lab. Man. Physiol. & Path. Chem. ix. 92 (heading) Liebermann–Burchard reaction. 1915Stedman Med. Dict. (ed. 3) 509/2 Liebermann–Burchard test. 1934Jrnl. Biol. Chem. CVI. 746 The very weak color produced by digitonin with the modified Liebermann–Burchard reaction. 1956E. V. Truter Wool Wax vii. 185 At present, the only technique for quantitatively determining alcohols of the isocholesterol group is based upon the spectrophotometric measurement of the colour developed in the Liebermann–Burchardt test. 1968Indian Jrnl. Med. Res. LVI. 1776 A method for the estimation of total cholesterol in whole blood, serum or plasma, based on the Liebermann–Burchard reaction is presented. |