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.
- n. organic chemistry One of the essential ingredients of lactucarium.
GNU Webster's 1913
- n. (Chem.) A white, crystalline substance, having a bitter taste and a neutral reaction, and forming one of the essential ingredients of lactucarium.
- From lactuca: compare French lactucine. (Wiktionary)
“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”
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