from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A stearoptene from Inula helenium; it is used as an internal and external antiseptic.
from the GNU version of the Collaborative International Dictionary of English
- n. A neutral organic substance found in the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste.
from The Century Dictionary and Cyclopedia
- n. A substance (C6H8O) derived from the root of Inula helenium, or elecampane, by the action of alcohol. It crystallizes in white prisms which have a bitter taste.
Sorry, no etymologies found.
Inulin is allied to starch, and its crystallized camphor is separable into true helenin, and alantin camphor.
Moreover, at the present time, when there is so much talk about the inoculative treatment of pulmonary consumption by the cultivated virus of its special microbe, it is highly interesting to know that the helenin of Elecampane is said to be peculiarly destructive to the bacillus of tubercular disease.