title: N-nitrosamines and Nigerian habitual drinks, and cancer.
abstract: Commercially available samples of Nigerian lager beers and bottled palm wine, and of root cuttings of medicinal plants, assayed for volatile N-nitroso compounds and nitrosatable entities, respectively, by chromatographic, chemiluminescence, colorimetric, derivatisation and nitrosation methods, contained nitrosodimethylamine (0.2-2.3 micrograms/kg; mean, 0.9 micrograms/kg) only in the drinks, and dimethylamine (DMA) and piperidine (1 mg/kg as DMA) in the roots.
mesh_terms: D001515:Beer / Q000032:analysis*; D002273:Carcinogens / Q000032:analysis*; D005260:Female; D006801:Humans; D008297:Male; D009369:Neoplasms / Q000139:chemically induced / Q000453:epidemiology*; D009549:Nigeria; D009602:Nitrosamines / Q000032:analysis*; D010946:Plants, Medicinal / Q000032:analysis*; D013045:Species Specificity; D014920:Wine / Q000032:analysis*
chemical_list: D002273:Carcinogens; D009602:Nitrosamines