- a narcotic alkaloid, C23H27NO8, occurring in opium and acting as a mild relaxant on smooth muscle.
Origin of narceine
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Examples from the Web for narceine
On boiling the filtered solution, to expel the ammonia, and evaporating the liquid, crystals of narceine are gradually deposited.Cooley's Practical Receipts, Volume II
The precipitates produced in solutions of narceine and codeine are crystalline and very characteristic.
Ammonia dissolves only traces of morphine; but narceine and codeine readily.
Narceine forms good crystals, the form being that of long, four-sided rhombic prisms or fine bushy united needles.
Narceine forms precipitates with bichromate of potash, chloride of gold, bichloride of platinum, and several other reagents.
- a narcotic alkaloid that occurs in opium. Formula: C 23 H 27 O 8 N
C19: via French from Greek narkē numbness