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  1. Tobacco Science & Technology, 2012, 2, p. 61-65., ISSN.1002-0861

    Effects of material’s parameters on deliveries of tar, nicotine, and CO in Mainstream Smoke of Virginia type cigarettes

    PENG Bin; SUN Xuehui; SHANG Pingping; ZHAO Le; LI Xiang; LI Ping; NIE Cong
    Zhengzhou Tobacco Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the relationships between cigarette materials and chemical components in mainstream cigarette smoke, the effects of grammage and air permeability of cigarette paper, air permeability of tipping paper and plug wrapper, and draw...
  2. Tobacco Science & Technology, 2012, 2, p. 66-70., ISSN.1002-0861

    Subcellular distribution and chemical forms of Cd in two tobacco genotypes with different Cd accumulating pattern

    TIAN Yangyang(1); CHEN Jianghua(2); ZHANG Yanling(1); ZHANG Shixiang(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Hunan Tobacco Corporation of CNTC, Changsha 410004, P.R. China
    An experiment on hydroponic seedlings was carried out to study the subcellular distribution and chemical forms of Cd in the root system and leaves of two tobacco genotypes (K326 and N. Rustica) with different Cd accumulation pattern at different Cd...
  3. Tobacco Science & Technology, 2012, 2, p. 71-74., ISSN.1002-0861

    Effects of exogenous salicylic acid on antioxidant metabolism of flue-cured tobacco under low temperature stress

    DENG Shiyuan(1); CHEN Jianjun(1); LUO Fuming(2); WANG Wei(1); LING Shoujun(2); WANG Jun(3)
    (1) Tobacco Laboratory, South China Agricultural University, Guangzhou 510642, P.R. China; (2) Guangdong Qingyuan Tobacco Co., Ltd., Qingyuan 511515, Guangdong, P.R. China; (3) Lianzhou Branch of Guangdong Qingyuan Tobacco Co., Ltd., Lianzhou 513400, Guangdong, P.R. China
    To effectively reduce the harm of low temperature on tobacco growth, flue-cured tobacco sprayed by salicylic acid (SA) was placed at 5 °C, and the effects of SA on antioxidant metabolism of flue-cured tobacco under low temperature stress were...
  4. Tobacco Science & Technology, 2012, 2, p. 75-79., ISSN.1002-0861

    Occurrence regularity of Heliothis assulta Guenée in Hunan and forecast thereof

    LONG Xiao(1); ZENG Aiping(1,2); ZHOU Zhicheng(2); CHEN Yongnian(1); HU Risheng(2); LONG Jianzhong(3); LI Xiaoyi(4); WU Chune(5)
    (1) College of Bio-Safety Science and Technology, Hunan Agricultural University, Changsha 410128, P.R. China; (2) China Tobacco South Experimental Station, Changsha 410128, P.R. China; (3) Ningyuan County Tobacco Company, Ningyuan 425600, Hunan, P.R. China; (4) Chenzhou Tobacco Company, Chenzhou 423000, Hunan, P.R. China; (5) Jianghua County Tobacco Company, Jianghua 425500, Hunan, P.R. China
    In order to effectively control Heliothis assulta Guenée, its regularity of occurrence and forecasting were studied on the basis of years’ records collected from each monitoring point in tobacco planting areas in Hunan. The results showed that the...
  6. Tobacco Science & Technology, 2012, 3, p. 31-33., ISSN.1002-0861

    Study on thermo-gravimetric behavior of five amino acids and pyrolytic formation of hydrocyanic acid

    LI Feifei; HAO Jüfang; GUO Jizhao; WANG Hongbo; XIE Fuwei; XIA Qiaoling; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The effects of heating rate and atmosphere on the yield of hydrocyanic acid (HCN) from pyrolysis of glycine (Gly), alanine (Ala), leucine (Leu), isoleucine (Ile) and proline (Pro) were investigated by a modified thermo-gravimetric analyzer. The...
  7. Tobacco Science & Technology, 2012, 3, p. 34-37., ISSN.1002-0861

    Cloning and sequence analysis of T-zds1 gene from flue-cured tobacco

    HU Zhongyi(1) ; LEI Bo(1) ; LIU Dong(2) ; CAI Liuti(1)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) College of Agriculture, Yangtze University, Jingzhou 434023, Hubei, P.R. China
    Homology cloning and in silico cloning method were used to clone the full length cDNA sequence of tobacco zeta carotene dehydrogenase gene (named T-zds1) from flue-cured tobacco cultivar, Jiucaiping2, and the primary and secondary structures of its...
  8. Tobacco Science & Technology, 2012, 3, p. 38-47., ISSN.1002-0861

    Effects of ambient temperature and relative humidity on migration behavior of tobacco flavors in cigarettes

    BAI Xinliang(1) ; HU Jun(1), WANG Jun(2); ZHOU Jianhua(2); CHU Guohai(2); HU Youchi(1); ZENG Shitong(1); ZHAO Mingyue(1); YANG Jun(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou 310009, P.R. China
    In order to investigate the effects of ambient temperature and relative humidity (RH) on the migration behavior of tobacco flavors in cigarette, the migration ratios of flavors to mainstream smoke (MS) and their retention ratios by filter tips...
  9. 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...
  10. Tobacco Science & Technology, 2012, 3, p. 52-56., ISSN.1002-0861

    Determination of phthalic acid esters in cigarette filter by GC/MS

    ZHANG Hongfei; LIU Nan; BIAN Zhaoyang; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    A method for simultaneously determining 17 phthalic acid esters (PAEs) in cigarette filter was established with GC/MS. The parameters such as extraction mode, extraction solvent, extraction condition, detection condition were tested, and 45 cigarette...