单词 | phloroglucin |
释义 | phloroglucinn. Chemistry. = phloroglucinol n. ΘΚΠ the world > matter > chemistry > organic chemistry > carbohydrates > sugars > [noun] > other sugars acorn sugar1854 phloroglucin1862 phenose1866 abietite1869 arabinose1874 revertose1903 chondrosamine1914 1862 H. Watts tr. L. Gmelin Hand-bk. Chem. XV. 66 Phloretin boiled with potash-ley is resolved into phloretic acid and phloroglucin. 1879 Jrnl. Amer. Chem. Soc. 1 338 The reaction consists in the production of a cinnabar-red precipitate, when a trace of phloroglucine is added to a solution of nitrate of aniline or toluidine. 1912 R. Whymper Cocoa & Chocolate xx. 208 The same author recommends the estimation of pentosans by a method with phloroglucine. 1933 S. W. Cole Pract. Physiol. Chem. (ed. 9) xiii. 318 To 5 cc. of urine add an equal volume of strong hydrochloric acid and a little phloroglucin (a piece about the size of a pea) and heat the mixture on a boiling shower bath. 1992 M. Ingrouille Diversity & Evol. Land Plants 6 A drop of phloroglucin plus a drop of concentrated HCl turns lignin red. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1862 |
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