narceine

[ nahr-see-een, -in ]

/ ˈnɑr siˌin, -ɪn /

a narcotic alkaloid, C23H27NO8, occurring in opium and acting as a mild relaxant on smooth muscle.

Origin of narceine

< French narcéine (1832), irregular < Greek nárkē numbness (see narco-) + French -ine -ine²

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 |Arnold Cooley
The precipitates produced in solutions of narceine and codeine are crystalline and very characteristic.

Poisons: Their Effects and Detection |Alexander Wynter Blyth
Narceine forms good crystals, the form being that of long, four-sided rhombic prisms or fine bushy united needles.

Poisons: Their Effects and Detection |Alexander Wynter Blyth
Narceine forms precipitates with bichromate of potash, chloride of gold, bichloride of platinum, and several other reagents.

Poisons: Their Effects and Detection |Alexander Wynter Blyth

Papaverine, laudanosine, narcotine, and narceine are four other alkaloids found in opium.

The Chemistry of Plant Life |Roscoe Wilfred Thatcher

narceine

/ (ˈnɑːsiːn) /

a narcotic alkaloid that occurs in opium. Formula: C 23 H 27 O 8 N

C19: via French from Greek narkē numbness