rubinic, a. Chem.
(ruːˈbɪnɪk)
[ad. F. rubinique, f. rubine, a red metallic preparation.]
rubinic acid, an acid formed by the action of alkalies upon catechin.
| 1838 T. Thomson Chem. Org. Bodies 118 The evaporation, when we wish to obtain rubinic acid, must be spontaneous. 1850 Fownes' Chem. (ed. 3) 468 Rubinic acid..is said to form red insoluble compounds with the earths and certain oxides of the metals. 1871 Garrod Mat. Med. (ed. 3) 257 Catechin..is converted by the action of alkalies and their carbonates into Japonic and Rubinic acids. |