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29 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 56

    Photoionization time-of-flight mass spectrometry as a tool for the identification of selected isomers in the gas phase of mainstream cigarette smoke

    HU Yonghua(1); WANG Jian(1); TIAN Zhenfeng(1); CHEN Kaibo(1); XU Yingbo(1); PAN Yang(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei, Anhui, P.R. China; (2) National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, P.R. China
    To identify selected isomers in the gas phase of mainstream cigarette smoke, an on-line measurement system with a photoionization unit was built. With this instrument, photoionization efficiency (PIE) curves for constituents in the gas phase of mainstream ...
  2. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 51

    Study of correlation between volatile carbonyls in cigarette mainstream smoke and chemical constituents in tobacco leaves.

    GENG Zhaoliang(1); FENG Yonggang(1); XIANG Zhangmin(1); ZHANG Jie(1); GE Yonghui(1); CAI Kai(1); ZHU Xianling(2)
    (1) Guizhou Academy of Tobacco Science Research, Guiyang, P.R. China; (2) Research Institute of Tobacco and Health, University of Science and Technology of China, P.R. China
    In order to study the correlation between volatile carbonyls in cigarette mainstream smoke and chemical constituents in tobacco leaves, chemical constituents (soluble sugars, organic acids, sterols, solanesols, polyphenols, alkaloids, and other routine ...
  3. Tobacco Science & Technology, 2012, 1, p. 34-42., ISSN.1002-0861

    Analysis of important aroma components in tobacco by GC-MS with selective ion mode

    HUANG Lan(1); XU Yingbo(1); TIAN Zhenfeng(1); LI Lu(1); ZHU Dongliang(1); ZHU Xiaolan(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (2) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China
    The cut tobacco in cigarette samples was prepared with optimized simultaneous distillation and extraction by using phenylethyl acetate as an internal standard (IS). The aroma components in the samples were analyzed by GC/MS with selective ion mode. 24 ...
  4. Tobacco Science & Technology, 2012, 1, p. 69-73., ISSN.1002-0861

    Preliminary study on critical level of available Mo in flue-cured tobacco planting soil

    LI Zhanghai(1); ZHANG Xizhong(2); WU Li(3); GUO Xingzhi(2); GONG Wenjun(2); LIU Huizhong(2); TANG Xinggui(2); WEI Pinsheng(2); JIAO Jian(2)
    (1) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China; (2) Qiannan Tobacco Company of Guizhou Province, Duyun 558000, Guizhou, P.R. China; 3. Anhui Agriculture University, Hefei 230036, P.R. China
    For applying Mo fertilizer in a reasonable and effective way, the effects of molybdenum nutrient on various trait indexes of flue-cured tobacco and critical value of available Mo in soil were studied by field trial and pot experiment. The results showed ...
  5. Tobacco Science & Technology, 2012, 10, p. 31-35, ISSN.1002-0861

    Comparison of main secondary metabolite contents in flue-cured tobacco leaves from different areas in Guizhou

    GENG Zhaoliang(1); FENG Yonggang(1); XIANG Zhangmin(1); ZHANG Jie(1); CAI Kai(1); ZHU Xianling(*2)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China
    In order to compare the secondary metabolite contents in flue-cured leaves from different areas in Guizhou Province, the leaf samples of C3F and B2F grades of K326, Yunyan 85, Yunyan 87, Guiyan 1 and Guiyan 201 varieties were collected from Daozhen, ...
  6. Tobacco Science & Technology, 2012, 10, p. 68-72, ISSN.1002-0861

    Effects of topping and BSM on Burley tobaccos of different nicotine conversion rates

    LI Ying(1,2); SHU Junsheng3; SU Lei(1); HUANG Wenchang4; CHENG Xinsheng(*1)
    (1) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; (2) Biological Science College, Anhui University, Hefei 230039, P.R. China; (3) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (4) Burley Tobacco Experimental Station of CNTC, Wuhan 430030, P.R. China
    In order to reduce nicotine conversion rate and improve tobacco quality, burley tobacco B37 plants of different nicotine conversion rates were treated by two ways, topping only and topping followed by bionic signal molecule (BSM) application. The activity ...
  7. Tobacco Science & Technology, 2012, 9, p. 63-67, ISSN.1002-0861

    Pyrolysis behavior of paper-base of paper-making process reconstituted tobacco with different physical parameters under flash pyrolysis conditions

    ZHOU Shun(1); XU Yingbo(1); HU Yuan(2); WANG Chenghui(1); GE Shaolin(1); SHU Junsheng(1); TIAN Zhenfeng(1); WANG Pingjun(3); ZHOU Minghua(3); TAO Feng(4); HE Qing(1)
    (1) China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (2) State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, P.R. China; (3) Minfeng Special Paper Co., Ltd., Jiaxing 314033, Zhejiang, P.R. China; (4) Liqun Green Paper Co., Ltd., Hangzhou 310018, P.R. China
    In order to investigate the influences of the physical parameters of the paper-base in paper-making process reconstituted tobacco on its pyrolysis behavior, the formation of pyrolyzed gas phase products of 4 paper-bases with different physical parameters ...
  8. Tobacco Science & Technology, 2011, 1, p. 60-65., ISSN.1002-0861

    Comparison of major components in leaf trichome exudate of flue-cured tobacco grown under different climatic conditions

    ZHU XIAN-LING(1); PAN WEN-JIE(2); CHEN YI(2); CHEN WEI(2); LI ZHANG-HAI(1); ZHANG JI-LI(1); XU ZENG-HAN(1); LI HONG-XUN(2)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China; 2. Guizhou Tobacco Science Research Institute, Guiyang 550023, P.R. China
    In order to find out the effects of climatic factors on leaf trichome exudates, a field experiment on flue-cured tobacco cv. Yun 85 was conducted at Longgang of Kaiyang County, Weining County and Tianzhu County in Guizhou Province. Ripe leaves harvested ...
  9. Tobacco Science & Technology, 2011, 12, p. 26-33., ISSN.1002-0861

    Calculation of ionization energy of cigarette smoke component and its applications in qualitative analysis

    WANG CHENG-HUI(1); HU YONG-HUA(1); WANG JIAN(2); XU YING-BO(1); PAN YANG(2)
    1. Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; 2. National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, P.R. China
    : In order to systemically evaluate the reliability of the method of predicting ionization energy with density functional method in quantum chemistry [B3LYP/6-311++G(d,p)] and composite ab initio (G3B3), 70 chemical portions of known ionization energy in ...
  10. Tobacco Science & Technology, 2011, 12, p. 61-64., ISSN.1002-0861

    Reaction of tobacco to oxidation stress induced by topping and bionic signal molecules

    ZHANG XIN-HUA(1,2); YAO ZHONG-DA(3); CHEN CHANG-WEI(1); CHA XIANG-DONG(2); CHENG XIN-SHENG(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; 2. Biological Science College of Anhui University, Hefei 230039, P.R. China; 3. China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China
    To investigate whether the mechanical injury on tobacco by topping induces oxidation stress, the contents of superoxide anion (O 2- •), hydrogen peroxide (H 2 O 2) and malondialdehyde (MDA) and the activity of superoxide dismutase (SOD) in leaf tissue ...