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Narcotoline |
Narcotoline is an opiate alkaloid chemically related to noscapine. It binds to the same receptors in the brain as noscapine to act as an antitussive1, and has also been used in tissue culture media.2 It can be obtained from the opium poppy Papaver somniferum. It is present at much higher levels in strains used for culinary purposes (poppyseed production) than in high-morphine strains used for opium production.3