If it is organic RYO tobbaco, then the only thing leaching out should be the flavor of the leaf and the nicotine. The organic should not have all the pestocides and presevitives and additional stuff they add to tobbaco. All of the other carcinogens are from the burning process. At least you know what is in this juice, best would be to grow your own IMO.
Dan
From Wikipedia: Tobacco-specific nitrosamines - Wikipedia, the free encyclopedia
One of the most important groups of carcinogens in tobacco and tobacco smoke is the tobacco-specific nitrosamines. These nitrosamine carcinogens are formed from nicotine and related compounds by a nitrosation reaction that occurs during the curing and processing of tobacco. They are called tobacco-specific nitrosamines because they are found only in tobacco products (and possibly in some other nicotine-containing products). Thus the tobacco-specific nitrosamines are present in both "smokeless" tobacco products such as oral snuff and in cigarette smoke. They are the most prevalent strong carcinogens in "smokeless" tobacco products, occurring at much higher levels than in any other marketed product designed for oral use. They are among the most important carcinogens in cigarette smoke, along with combustion products and other carcinogens.
There is still bad stuff in organic tobacco... the nitrosamines will leech out along with the nicotine, albeit, it is still probably safer than smoking one.
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