Since the dominant CYP2A6-generated metabolite of nicotine is cotinine, whose t 1/2 is ~16 h compared with ~2 h for nicotine, and whose plasma levels are considerably higher than those of nicotine (275 versus 15 ng/mL) [37], cotinine is used as an indicator of environmental exposure to tobacco smoke
The problems facing the European machine-rolled business are not mild nor fleeting
Creager estimates around a quarter of their products are related to tobacco or nicotine
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Dry flower arrangements will not remain untouched, either, and studies show that cigarette beetles will even feed on pyrethrum, which is an active ingredient found in many insect baits and insecticides
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