1. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 09

    Cloning and bioinformatic analysis of orange protein (OR) gene from Nicotiana tabacum

    LEI Bo(1); LU Kun(2); DING Fu-zhang(1); LIU Xiao-rong(2); HU Zhong-yi(1); PAN Wen-jie(1)
    (1) Guizhou Tobacco Science Research Institute, Guiyang, Guizhou, P.R. China; (2) College of Agronomy and Biothehnology of Southwest University, Chongqing, P.R. China
    Previous microarray results indicated that the orange protein (OR) gene in the carotenoid biosynthesis pathway showed significant differential expression in leaves between moderate and light aroma tobacco areas. In order to obtain the full-length sequence ...
  2. CORESTA Congress, Sapporo, 2012, Plenary Session, abstr. IG 02

    Levels of tobacco-specific N-nitrosamines NNN and NNK in commercial cigarettes sampled in2008-2010 – A review of analytical data

    GUNDUZ I.(1); KONDYLIS A.(1); HOFER R.(1); JACCARD G.(2); RUFFIEUX L.(3); GADANI F.(1)
    (1) Philip Morris Products SA, Product Development – Applied Cigarette Research, Neuchatel, Switzerland; (2) Philip Morris International Management SA, Product and Process Quality, Neuchatel, Switzerland; (3) Philip Morris International Management SA, Agricultural Programs, Lausanne, Switzerland
    The present study was designed to determine levels of the tobacco-specific N-nitrosamines (TSNAs) N’-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) in tobacco cut filler and in mainstream smoke of commercial cigarette ...
  3. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 05

    Impact of cigarette paper properties on smoke constituents’ delivery under Health Canada Intense smoking regime

    GUYARD A.; MEIER D.; CECCHETTO A.; HOFER R.; LI P.
    Philip Morris Products SA, Product Development – Applied Cigarette Research, Neuchatel, Switzerland
    This investigation was undertaken to assess to which extent the changes of cigarette paper characteristics may impact the delivery of nine cigarette smoke constituents when measured under Health Canada Intense (HCI) smoking regime and normalised to smoke ...
  4. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 07

    Improved methods for the determination of crop protection agent residues in tobaccos and tobacco products by LC-MS/MS using the QuEChERS extraction

    DEGER A.; JACCARD G.
    Philip Morris International Management SA, Product and Process Quality, Neuchatel, Switzerland
    We will present two improved methods to determine Crop Protection Agent (CPA) residues in tobaccos and tobacco products and discuss their development and validation. The methods are applicable to 53 of the 118 CPA recommended in the CORESTA Guide No. 1 [1 ...
  5. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SS 02

    Development of a systems toxicology approach and its application to quantify the biological impact of tobacco smoke in vitro and in vivo

    PEITSCH M.C.; MATHIS C.; WAGNER S.; KOGEL U.; POUSSIN C.; SCHLAGE W.; STINN W.; MEURRENS K.; WEISENSEE D.; GEBEL S.; BELCASTRO V.; XIANG Y.; MARTIN F.; SEWER A.; HENGSTERMANN A.; ANSARI A.; HOENG J.
    Philip Morris International R&D, Philip Morris Products SA, Neuchâtel, Switzerland
    The potential health risks of long-term exposure to biologically active substances such as therapeutic drugs or environmental toxins are frequently determined a posteriori through clinical epidemiology studies. However, disease may take decades to ...
  6. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 29

    An improved method for the determination of selected humectants in tobacco products

    MARTIN A.; KALATA S.; SODEN C.; WILLIAMSON F.
    Arista Laboratories, Richmond, VA, USA
    Humectants are an important class of compounds applied to tobacco primarily for the improvement of hydroscopic properties and to act as a carrier for flavor components. For the purposes of this study, we focused on the most prevalent humectants used, ...