Nornicotine is a tobacco alkaloid and nicotine metabolite. Since virtually all tobacco products contain nornicotine, smoking or chewing tobacco exposes the user to this nicotine alkaloid. In urine testing by GC/MS or LC/MS, nornicotine is used as an indicator of smoking or use of chewing tobacco or nicotine replacement products.
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The interoceptive stimulus effects of nicotine acquire control over behavior. This observation, among others, suggests that the stimulus effects of nicotine are important in the development and tenacity of tobacco dependence. Despite this importance, there has been little research examining
There has been no previous assessment of the level of nicotine exposure in companion animals as a result of passive smoking. A method was developed for the determination of nicotine in dog hair where extraction was carried out by sonication
In the species of genus Nicotiana, nicotine to nornicotine conversion is mediated by closely related nicotine N-demethylase (NND) proteins that are encoded by the CYP82E subfamily of cytochrome P450 genes. The diverse number and transcriptional regulation of the NND genes
Journal of analytical toxicology, 35(6), 321-332 (2011-07-12)
The aim of this exploratory study was to develop and validate a liquid chromatography-tandem mass spectrometry (LC-MS-MS) method for the quantification of nicotine, eight nicotine metabolites, and two minor tobacco alkaloids in fortified analyte-free hair and subsequently apply this method
Nornicotine is formed from nicotine by nicotine N-demethylase, a CYP82E family monooxygenase, and accumulates to high levels in some tobacco (Nicotiana tabacum) cultivars and many wild Nicotiana species. Nicotiana langsdorffii does not form nornicotine, whereas the closely related species N.
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