from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One of the essential ingredients of lactucarium.
from the GNU version of the Collaborative International Dictionary of English
- n. A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium.
from The Century Dictionary and Cyclopedia
- n. A colorless compound, C40H48O13 or C22H26O7 or C22H28O8, obtained from the dried juice of the common lettuce, Lactuca sativa and L. sagittata. It crystallizes in pearly scales.
Chicories and Endives: Bitterness Under Control The original intense bitterness of lettuce, which came from a terpene compound called lactucin and its relatives, has been bred out of the cultivated forms.
Tests showed that 1 gram of lactucarius induces calming and pain killing effects because of the presence of lactucin and lactucopicrin.
Active Constituents: lactucin, lactucerol (taraxaxterol), lactucic acid