Search Results

40 results

  1. 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 the ...
  2. Tobacco Science & Technology, 2011, 7, p. 60-63., ISSN.1002-0861

    Transfer behavior of some carbonyl flavors in filter and tobacco rod of cigarette

    ZHANG JIE(1); ZONG YONG-LI(1); ZHOU HUI-SHUN(2); PENG SHU-HAI(1); SONG YU-BING(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China
    Twelve carbonyl flavor samples were added into cut tobacco and filter tips of cigarettes and then analyzed by simultaneous distillation and extraction coupled with GC and GC/MS to determine the ratios of flavor retained in tobacco rod or filter, migrated ...
  3. Tobacco Science & Technology, 2010, 8, p. 41-45., ISSN.1002-0861

    Effects of filter length and ventilation on transfer behavior of some ester flavors in cigarette

    ZHOU HUI-SHUN(1); ZONG YONG-LI(2); ZHANG JIE(2); PENG SHU-HAI(2); SONG YU-BING(2)
    1. Technology Center, P.R. China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the effects of filter length and ventilation on the transfer behavior of some ester flavors in cigarettes, the said ester flavors were injected into cigarettes with filters of various length and ventilation rates. These flavored ...
  4. Tobacco Science & Technology, 2005, 2, p. 19-23, ISSN.1002-0861

    Influence of data pre-processing on nir prediction model for tobacco chemical composition

    LIAN WEN-LIU; WU MING-JIAN; SUN XIAN-JUN
    Technology Center of Changde Cigarette Factory, Changde, Hunan, China
    The data of NIR spectra, total sugar, reducing sugar and total nicotine from 198 tobacco samples were processed by four different data pre-processing approaches, baseline correction, decongvolution, first differential and second differential, and two ...
  5. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 37

    Effect of smoking on the volatile sulfur compounds in oral cavity

    HU Wangshun; ZHONG Kejun; HE Xiaojie; GAO Yijun; ZHANG Xiaoming
    Changde Cigarette Factory, Changde, China; Second Hospital of Xiangya of Central South University, Changsha, China.
    The content of volatile sulfureted compounds (VSCs) in oral cavity of 812 volunteers, including 594 smokers and 218 non-smokers, were measured by HALIMETER. The changes of VSCs content in smokers' oral cavities when they sucked different kinds of ...
  6. CORESTA Congress, Kyoto, 2004, APOST 04

    A new Romanian flue-cured cultivar : Virginia 177

    CIUPERCA A.; PAUNESCU M.; PAUNESCU A.D.; BOLD I.; DUMITRASCU P.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The improvement of the chemical and industrial quality of Virginia tobacco in Romania represents the main objective for those involved in tobacco research, production and industrialization. The most important way to achieve this objective is the change of ...
  7. CORESTA Congress, Kyoto, 2004, PPOST 06

    The prevention of TSWV attack in the Burley fields in Romania

    STANESCU V.; PAUNESCU A.D.; DIMA A.; PAUNESCU M.; BURCEA A.M.; SANISLAV N.
    Central Research Station for Tobacco Culture and Industrialization, Bucharest, Romania.
    The Burley cultivars are very sensitive to virosis, in general, and to TSWV, in particular.Yield and quality of the obtained tobacco largely depend on the prevention of this virus, and this is managed by the chemical control of Thrips tabaci Lind., the ...