Nicotine, as most biologically active chemical in tobacco
smoke, has been the subject of intense scientific scrutiny. Among
the most well characterized chemicals found in tobacco and
tobacco smoke, are polycyclic aromatic hydrocarbons (PAHs)
and the highly addictive alkaloid, nicotine and its metabolites
(Campain, 2004). To further complicate the picture, nicotine
is converted, during the production of cigarette and chewing