Search Results

63 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...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 05

    Effect of FMC Crop+ on reduction of oxidative stress in tobacco seedlings exposed to low and high temperatures

    EBLING M.(1); BLASZCZAK A.(2); WOZNIAK E.M.(2); BRONDANI DA ROCHA A.(3)
    (1) FMC Agricultural Products, Campinas, SP, Brazil; (2) Cytozyme Laboratories, Inc., Salt Lake City, UT, U.S.A.; (3) Plantarum Desenvolvimento e Tecnologias, Bairro Centro, Sinimbu, RS, Brazil
    Tobacco production in Southern Brazil is challenged by low temperature stress at early stages of crop development. Stress causes overproduction of ROS (Reactive Oxygen Species), which leads to oxidative stress in plant tissue. ROS molecules damage...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, APPOST 06

    Materials, energy and value flows analysis of different tobacco planting patterns in Southern Anhui area

    ZHANG Jiguang(1); ZHANG Zhongfeng(1); YAO Zhongda(2); ZHANG Fujian(2); GUO Dongfeng(2); JI Xuejun(3); ZHU Qifa(3); XUE Lin(3); SHEN Guoming(1)
    (1) Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Biology and Processing, Ministry of Agriculture, Qingdao, P.R. China; (2) China Tobacco Anhui Industrial Co. Ltd., Hefei, P.R. China; (3) Anhui Wannan Tobacco Leaf Co. Ltd, Xuancheng, P.R. China
    The reasonable choice of tobacco planting pattern is very important to improve the efficiency of tobacco field ecosystems and to promote the sustainable development of modern tobacco agriculture. In this study, the materials, energy and value flow...
  4. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to...
  5. 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....
  6. Tobacco Science & Technology, 2012, 11, p. 38-41, 50, ISSN.1002-0861

    Combustion characteristics of flue-cured tobacco and its kinetic analysis

    XIA Ming(1); LI Jinguang(1); QIAO Guobao(1); JIANG Jianjun(1); HU Yonghua(2)
    (1) Chuzhou Cigarette Factory, China Tobacco Anhui Industrial Co., Ltd., Chuzhou 239000, Anhui, P.R. China; (2) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China
    In order to investigate the effects of combustion conditions on the thermal behavior of flue-cured tobacco, the thermal decomposition and combustion characteristics of flue-cured tobacco at different oxygen concentrations and heating rates were...
  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. 44-47, ISSN.1002-0861

    Determination of arsenic and lead in polypropylene tow binder by direct injection GF-AAS

    GE Shaolin(1); ZHU Dongliang(1); HU Lizhong(1); NIU Jiajia(2); HAN Yunhui(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    A direct injection-graphite furnace atomic absorption spectrometry (GF-AAS) method for determining arsenic (As) and lead (Pb) in polypropylene tow binder was developed. The results showed that, twentyfold dilution and additional drying process at 120...