A bitter, white, crystalline narcotic alkaloid, C23H27NO8, obtained from opium.
(pharmacy) An alkaloid contained in opium, occurring as fine white, silky crystals, slightly soluble in water, used as a substitute for morphine.
Narceine Sentence Examples
Morphine, in the pure state, can be sublimed, but codeine and narceine are said not to give a sublimate.
Narceine, C23H27N08, obtained by the action of potash on the methyl iodide of narcotine, is probably IV.
The proprietary drug " stypticin " is cotarnine hydrochloride, and " styptol " cotarnine phthalate; " antispasmin " is a sodium narceine combined with sodium salicylate, and " narcyl " narceine ethyl hydrochloride.
Of the other alkaloids narceine is hypnotic, like morphine and codeine, whilst thebaine, papaverine and narcotine have an action which resembles that of strychnine, and is, generally speaking, undesirable or dangerous if at all well marked.
The only alkaloids likely to remain in the prepared opium, and capable of producing well-marked physiological results, are morphine, codeine and narceine.