单词 | rhodotannic acid |
释义 | > as lemmasrhodotannic acid rhodotannic adj. Brit. /ˌrəʊdə(ʊ)ˈtanɪk/ , U.S. /ˌroʊdoʊˈtænɪk/ [after German Rhodotannsäure rhodotannic acid (R. Schwartz 1852, in Sitzungsber. der Kaiserlichen Akad. der Wissensch. Wien: Math.-Nat. Classe 9 299)] Chemistry (now rare) rhodotannic acid a tannin found in the leaves of the alpenrose, Rhododendron ferrugineum.ΘΚΠ the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > from leaves rhodotannic acid1853 gymnemic acid1887 1853 Chem. Gaz. 11 44 Rhodotannic acid in the anhydrous state has..the composition represented by the formula C14H6O7. 1918 A. G. Perkin & A. E. Everest Nat. Org. Colouring Matters xiii. 449 Rhodotannic acid, 4C14H12O7, 3H2O,..is an amber-coloured substance which gives a green coloration with ferric chloride solution. < as lemmas |
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