from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A carbohydrate isomeric with dextrin.
from the GNU version of the Collaborative International Dictionary of English
- n. A carbohydrate isomeric with dextrin, obtained from quitch grass (Agropyrum repens, formerly Triticum repens) as a white amorphous substance.
from The Century Dictionary and Cyclopedia
- n. An amorphous hygroscopic carbohydrate contained in the rhizome of Agropyron repens or couch-grass.
Triticum + -in, from a former taxonomic name of quitchgrass, from which it can be obtained. (Wiktionary)
But no special constituents have been discovered in the root besides a peculiar sugar, a gum-like principle, _triticin_, and some lactic acid.