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  • Title: Tobacco-specific N-nitrosamines in tobacco and mainstream smoke of Indian cigarettes.
    Author: Kumar R, Siddiqi M, Tricker AR, Preussmann R.
    Journal: Food Chem Toxicol; 1991 Jun; 29(6):405-7. PubMed ID: 1874469.
    Abstract:
    Different brands of Indian cigarettes were analysed, by gas chromatography-thermal energy analysis, for the presence of carcinogenic tobacco-specific N-nitrosamines (TSNA) in both tobacco and mainstream smoke. Preformed TSNA in cigarette tobacco ranged between 68 and 730 ng N-nitrosonornicotine (NNN)/cigarette, between 19 and 174 ng 4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone (NNK)/cigarette and between 98 and 519 ng N-nitrosoanabasine (NAB) together with N-nitrosoanatabine (NAT)/cigarette. The amounts of NNN, NNK and NAB/NAT in mainstream smoke were 11-156, 7-73 and 17-146 ng/cigarette, respectively.
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