| 单词 | triticin |
| 释义 | triticin Chem.|ˈtrɪtɪsɪn|
[f. L. trītic-um wheat (in mod.Bot.L. a generic name, including couch-grass) + -in1.]
†1. Name given to the gluten of wheat by Hermbstaedt (Erdmann's Jrnl. Techn. Chem. (1831) XII. 11); also applied to a substance obtained from potato starch (see quot. 1838). Obs.
1838T. Thomson Chem. Org. Bodies 652 [In preparing amidin, or the soluble part of starch from potato starch] The triticin is retained by the cloth. 1860Mayne Expos. L., Triticin, term by Hermbstædt for the gluten of wheat.
2. A carbohydrate, C12H22O11 or (C6H10O5)n, obtained from the roots of couch-grass, Triticum repens, and so named by Müller (Arch. Pharm. (1873) II. 508); it is a tasteless hygroscopic powder, very soluble in water, and lævorotatory; when boiled with dilute acids it changes into lævulose.
1874Jrnl. Chem. Soc. XXVII. 171 The quantity of triticin present in the dried roots of couch-grass varies from 3·5 to 7·8 per cent. 1888Ibid. LIV. 246 From Dracaena australis the author has obtained a carbohydrate, 6 C6H10O5+H2O, which very closely resembles triticin. 1890Ibid. LVIII. 227 Triticin..from the root of Dracaena rubra, melts at 140°... Triticin, from Triticum repens, melts at 160°. |
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