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604 results

  1. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24-1, p. 2-9., ISSN.0173-783X

    In vitro toxicological evaluation of cigarette smoke particulate matter: effect of dimethyl sulfoxide (DMSO) as solvent.

    MISRA M.; LEVERETTE R.D.; HAMM J.T.; & al.
    Lorillard Tobacco Company, A.W. Spears Research Center, Greensboro, NC, USA
    This study examined the potential to minimize the cytotoxic or genotoxic effects that dimethylsulfoxide (DMSO), when used as solvent, has on the in vitro interleukin-8 (IL-8) release, mammalian cell cytotoxicity and micronuclei formation, and bacterial ...
  2. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24-1, p. 24-8., ISSN.0173-783X

    Biochemical studies on curing and fermentation processing periods of different tobacco plant (Nicotiana tabacum l.) cultivars.

    SZEDLJAK I.; KOEHEGYI K.S.; KOSARY J
    Corvinus University of Budapest, Faculty of Food Sciences, Dept. of Grain and Industrial Plant Technology, Budapest, Hungary
    We studied the changes in the activity of the enzymes polyphenol oxidase (PPO) and peroxidase (POX), the concentration of total soluble phenolic compounds and soluble protein content in different tobacco cultivars (Virginia and Burley) during curing. The ...
  3. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24-1, p. 29-32., ISSN.0173-783X

    Influence of trap position with respect to height and placement surface on capture of the tobacco moth, Ephestia elutella (Huebner) (Lepidoptera: Pyralidae), in pheromone traps

    IMAI T.; KASAISHI Y.; FUKUSHIMA T.
    Japan Tobacco Inc., Leaf Tobacco Research Center, Oyama, Tochigi, Japan
    The efficacy of pheromone traps is affected by trap placement and pest biology, as well as by the trap and lure design. We evaluated the effect of trap height and placement in relation to surfaces on tobacco moth catches using release-capture experiments. ...
  4. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24/02, p. 48-57., ISSN.0173-783X

    HPLC-MS determination of acrolein and acetone generated from 13C3 -labeled glycerol added to cigarette tobacco using two machine-smoking regimes

    YIP S-H.; TAYLOR L.T.; ASHRAF-KHORASSANI M.; & al.
    Virginia Tech, Dept. of Chemistry, Blacksburg, VA, USA
    The extent of blend glycerol degradation in a burning cigarette to form acrolein and acetone has been quantitatively determined by the addition of glycerol-13C3 to three styles of a leading commercial cigarette brand. Multiple Cambridge pads soaked with a ...
  5. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24/2, p. 72-7., ISSN.0173-783X

    Effects of flue-curing on cigarette smoke condensates mutagenicity

    MORIN A.; POIRIER N.; PREFONTAINE D.; & al.
    Imperial Tobacco Canada Ltd, Montreal, Quebec, Canada
    Flue-curing is a post harvest conditioning process which strongly affects the tobacco leaf chemistry, and consequently the chemical properties of tobacco smoke. Several studies identified the major changes in tobacco chemistry occurring during flue-curing ...
  6. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2010, 24/2, p. 78-92., ISSN.0173-783X

    Determination of Aromatic Amines in Cigarette Mainstream Smoke - The CORESTA 2007 Joint Experiment

    INTORP M.; PURKIS S.
    Imperial Tobacco Group R&D, Hamburg, Germany.
    CORESTA joint experiment work in 2006 had compared data on a wide range of smoke constituents obtained from Kentucky reference cigarettes (1R5F and 2R4F), according to the existing methods used by participants. This work had identified that the methods ...
  7. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2009, 23-4, p. 203-26., ISSN.0173-783X

    Investigation of tobacco pyrolysis gases and puff-by-puff resolved cigarette smoke by single photon ionisation (SPI) - Time-of-flight Mass Spectrometry (TOFMS)

    ADAM T.; MITSCHKE S.; BAKER R.R
    University of Augsburg, Analytical Chemistry, Institute of Physics, Augsburg, Germany
    The work presented deals with the application of Single Photon Ionisation- Time-of-Flight Mass Spectrometry (SPI-TOFMS) for the investigation of tobacco smoke. SPI-TOFMS is a modern analytical technique, which enables the simultaneous analysis of a large ...
  8. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2009, 23-5, p. 232-43., ISSN.0173-783X

    A robust method for estimating human smoked cigarette yields from filter analysis data

    ST. CHARLES F.K.; ASHLEY M.; SHEPPERD C.J.
    Consultant, 2250 Hilltop Dr, Winston-Salem, NC 21706, USA
    The analysis of spent filters from human-smoked (HS) cigarettes has been used to estimate cigarette yields for over three decades. Until recently, the whole filter was used for estimation; however a part-filter method has been shown to improve the ...