Search Results

31 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, IG 01 ; CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, IG 01

    Association mapping in a collection of tobacco reference cultivars. Step One: Variability of smoke constituents

    JULIO E.(1); VERRON T.(2); CAHOURS X.(2); DORLHAC de BORNE F.(1); COLARD S.(2)
    (1) SEITA, Imperial Tobacco Group, Bergerac, France; (2) SEITA, Imperial Tobacco Group, Fleury-les-Aubrais, France
    Recent developments of sequencing technologies and computational methods have given the opportunity to detect natural variation underlying complex traits in crops. For this purpose, association mapping can be used to identify the link between tobacco...
  2. CORESTA Congress, Quebec, 2014, Agronomy/Phytopathology Groups, APPOST 03

    Agrobacterium T-DNA in Nicotiana tomentosiformis and other Nicotiana species

    CHEN K.(1); DORLHAC DE BORNE F.(2); SZEGEDI E.(3); OTTEN L.(1)
    (1) Department of Molecular Mechanisms of Phenotypic Plasticity, Institut de Biologie Moléculaire des Plantes du C.N.R.S., Strasbourg, France; (2) National Agricultural Research and Innovation Centre (NARIC), Research Institute for Viticulture and Enology, Experimental Station of Kecskemét, Hungary; (3) Imperial Tobacco Group, Institut du Tabac, Bergerac, France
    Agrobacterium rhizogenes induces growth of aberrant roots with bacterial T-DNA; some roots can spontaneously regenerate into plants carrying T-DNA fragments. T-DNAs contain genes that are expressed in plants which normally lead to root growth and to...
  3. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 01

    Stalk position effect on harmful and potentially harmful cigarette smoke constituents in Burley tobacco: a case study

    VERRIER J-L.(1); DESTRUHAUT S.(2); COLARD S.(3)
    (1) Imperial Tobacco Group, Institut du Tabac, Bergerac, France; (2) Imperial Tobacco Group, SEITA, Fleury-les-Aubrais, France; (3) Imperial Tobacco Ltd, Bristol, U.K.
    Cured leaf chemistry varies sharply according to stalk positions and variations of smoke yields of harmful and potentially harmful constituents (HPHCs) are also expected. To quantitatively assess the effects on HPHC yields, Burley leaves of the...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 10

    A prediction model for effects of atmospheric pressure on deliveries of tar and carbon monoxide in mainstream smoke based on ventilation rate of cigarettes

    ZHAO Hui(1); XIONG Wen(1); CHEN Zaigen(2); QU Guofu(1); YANG Liu(3); LI Ying(1); QIN Yunhua(3)
    (1) Hongta Tobacco (Group) Co., Ltd., R&D Center, Yuxi, Yunnan, P.R. China; (2) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China; (3) Yunnan Academy of Tobacco Science, Kunming, Yunnan, P.R. China
    The deliveries of components in mainstream cigarette smoke determined under various atmospheric pressures are quite different, especially for tar and carbon monoxide. Multiple smoke analysis laboratories of China are located in high altitude areas,...
  5. Tobacco Science & Technology, 2012, 10, p. 46-50, 84, ISSN.1002-0861

    Effects of material parameters on deliveries of seven harmful components in cigarette smoke

    ZHAO Le(1); PENG Bin(1); YU Chuanfang(1); HE Shujie(2); LIU Kejian(1); ZHAO Xiaodong(1); WANG Hongbo(1); GUO Jizhao(1); YAN Quanping(1); YU Jingjing(1); LI Ping(1); XIANG Nengjun(3); MENG Zhaoyu(3); CUI Tao(2); YANG Jun(2); NIE Cong(*1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (3) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    To investigate the effects of material parameters on the deliveries of seven harmful components in cigarette smoke, the deliveries of CO, HCN, NNK, NH3, BaP, phenol and crotonaldehyde, in mainstream smoke of forty cigarette samples made with...
  6. Tobacco Science & Technology, 2012, 2, p. 47-51., ISSN.1002-0861

    Pyrolysis analysis of phenylethyl β-D-glucopyranoside

    SHI Dongfang(1); AN Yi(2); MOU Dingrong(3); BAI Xiaoli(3); MAO Duobin(1)
    (1) School of Tobacco Science and Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. Chinam (2) Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China; 3. Technology Center, Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    The thermal mass loss and pyrolysis products of phenylethyl β-D-glucopyranoside were investigated with thermogravimetry and differential thermal analysis (TG-DTA) and online pyrolysis gas chromatography/mass spectrometry (Py-GC/MS). The TG curve...
  7. Tobacco Science & Technology, 2012, 3, p. 48-51., ISSN.1002-0861

    Factors influencing determination of total volatile components in tobacco flavors

    LIU Shan(1); HU Jun(1); LIU Yang(1); HUANG Yan(2); ZHU Qinglin(3); QU Rongfen(4); LIU Yi(5); YANG Tingshu(6); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Huafang Tobacco Flavor Co., Ltd., Guangzhou 510530, P.R. China; (3) China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (4) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (5) Huabao Food Flavor and Fragrance (Shanghai) Co., Ltd., Shanghai 201821, P.R. China; (6) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to investigate the factors influencing the determination of total volatile components in tobacco flavor, 6 tobacco flavor samples including top flavors and casings were measured in 4 laboratories. The factors involved were specifications of...
  8. Tobacco Science & Technology, 2012, 4, p. 9-12, ISSN.1002-0861

    Effects of cigarette making machine setting on cut tobacco distribution in cigarette

    DAI Yongsheng(1); YAO Wenxiang(1); WU Kai(2); BAO Zhihua(1); PENG Liming(1)
    (1) Chuxiong Cigarette Factory, Hongta Tobacco (Group) Co., Ltd., Chuxiong 675000, Yunnan, P.R. China; (2) Technology Center, Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    In order to narrow the fluctuation of individual weight and draw resistance of cigarette and improve the uniformity of cut tobacco distribution in cigarette, the main parameters of rod forming system in PASSIM7000 cigarette maker were optimized with...
  9. Tobacco Science & Technology, 2012, 8, p. 34-39, ISSN.1002-0861

    Correlation between main chemical components and aroma components in yellow sun-cured tobacco leaves

    WANG Haoya(1); WANG Yi(2); SUN Li(*1); XIE Lihua(2); MA Xiang(2); ZHANG Qiang(1); QIAN Yingying(2)
    (1) Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China; (2) Technology Center of Hongta Tobacco Group Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    The major chemical components and aroma components in four yellow sun-cured tobacco varieties planted in Yunnan were determined, and the correlation between major chemical components and aroma components were analyzed. The results showed that: 1)...
  10. Tobacco Science & Technology, 2012, 9, p. 51-57, ISSN.1002-0861

    Analysis of volatile components in Absolute Oil of Spartium junceum L. with comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry

    LI Zhiyu(1); MAO Deshou(*1); XU Shijuan(2); LIU Qiang(1); DING Zhongtao(2)
    (1) Technology Center, Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (2) School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
    The volatile components in absolute oil of Spartium junceum L. were identified by GC×GC/TOFMS and fingerprint spectrum was established by means of MS library search, retention index comparison, standard and document verification. The results showed...