Posters

    Comparison of Environmental Tobacco Smoke from an Electrically Heated and a Conventional Cigarette

    Gerstenberg, G.; Stinn, W.; Reininghaus, W.

    Conference date
    Mar 25, 2001
    Conference name
    Society of Toxicology (SOT) 2001 
    Link to more information
    Topic
    Summary

    Environmental tobacco smoke (ETS) from an electrically heated cigarette (the Accord smoking system: U.S. test market, 2 mg tar) and a conventional lit-end cigarette (Merit cigarette: German market, 7 mg tar) was investigated. The Accord cigarette is made of conventional tobacco filler rolled in tobacco mat and smoked in a battery-operated lighter, which heats the tobacco during puffing. Because the tobacco does not burn continuously, the Accord smoking system delivers essentially no sidestream smoke. ETS was generated by 3 smokers each smoking 2 cigarettes in a 22 m(3) unventilated room. Constituents that could be measured with sufficient sensitivity were chosen from a list of commonly used markers for ETS or from a list of approximately 50 potentially toxicologically relevant mainstream smoke constituents. Concentrations of constituents were lower for Accord cigarettes than for Merit cigarettes: background-corrected concentrations of total particulate matter by 93 to 96% (determined by the Toem method, UV absorption, or fluorescence), solanesol by 89%, acetaldehyde and isoprene by 96%, and nicotine by 98%. For the majority of constituents, there was no difference between ETS generated by the Accord smoking system and background. Concentrations of carbon monoxide and benzene were lower by > 94%, toluene by > 96%, 3-ethenyl pyridine by > 98%, and 6 polyaromatic hydrocarbons (including benzo(a)pyrene) by > 97 to > 99.5%. The electrically heated cigarette produced substantially less ETS than the conventional cigarette as shown for 15 constituents. 

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