Tobacco specific nitrosamines (TSNA) is a group of potential carcinogens which have been found in tobacco, tobacco products, and cigarette smoke only.

烟草特有的N -亚硝胺(tsna)是一组只在烟草、烟制品及烟气中发现的致癌物质。

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Star Scientific sued RJ Reynolds, a unit of North Carolina-based Reynolds American, in 2001 over a method of treating tobacco to prevent the formation of tobacco-specific nitrosamines.

2001年，星科公司就一项防止烟草专有的亚硝胺形成的烟叶处理方法，对位于北卡罗来纳的雷诺美国公司的子公司雷诺烟草公司提起了诉讼。

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The high temperature suppresses the conversion of nitrates into the more toxic nitrites, which ultimately yield tobacco-specific nitrosamines.

FORBES: Blowing smoke

The mints and snuff are made with specially cured tobacco that contains fewer so-called tobacco-specific nitrosamines powerful carcinogens formed from nicotine and other alkaloids during tobacco fermentation than regular cigarettes.

FORBES: Blowing smoke