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Published on: January 2, 2012
Tobacco-specific nitrosamines in some Nigerian cigarettes
S E Atawodi1, R Preussmann, B Spiegelhalder
1Division of Toxicology and Cancer Risk Factors, German Cancer Research Centre, Heidelberg, Germany.
Cancer Letters
|October 20, 1995
Summary
This study analyzed tobacco-specific nitrosamines (TSNA) and nitrate in Nigerian cigarettes. TSNA levels in Nigerian cigarettes are comparable to those found in European and American brands.
Area of Science:
- Analytical Chemistry
- Environmental Health
- Tobacco Science
Background:
- Tobacco products contain harmful chemicals, including tobacco-specific nitrosamines (TSNA).
- Understanding TSNA and nitrate levels in cigarettes is crucial for public health assessments.
- Nigerian cigarettes represent a significant portion of the tobacco market in the region.
Purpose of the Study:
- To quantify tobacco-specific nitrosamines (TSNA) and nitrate levels in popular Nigerian cigarette brands.
- To compare TSNA content in Nigerian cigarettes with international benchmarks.
- To provide data for assessing potential health risks associated with Nigerian cigarette consumption.
Main Methods:
- Analysis of TSNA in tobacco and mainstream smoke using gas chromatography/thermal energy analyzer (GC-TEA).
- Spectrophotometric determination of nitrate levels in tobacco.
- Quantification of NNN, NAB/NAT, and NNK concentrations per cigarette.
Main Results:
- TSNA concentrations in mainstream smoke ranged from 8-90 ng/cigarette for NNN, 10-65 ng/cigarette for NAB/NAT, and 15-72 ng/cigarette for NNK.
- Preformed TSNA levels varied: NNN (64-565 ng/cigarette), NAB/NAT (109-476 ng/cigarette), and NNK (55-317 ng/cigarette).
- Nitrate content ranged from 1.5 to 6.1 mg/g tobacco.
Conclusions:
- TSNA levels in Nigerian cigarettes fall within the range observed in European and American cigarettes.
- The findings suggest a potential for similar health risks associated with TSNA exposure from Nigerian cigarettes compared to international brands.
- Further research into the toxicological impact of these levels in the Nigerian context is warranted.
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