Search Results

45 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, 2012, 10, p. 73-76, ISSN.1002-0861

    Variation analysis of sugar/nicotine ratio in flue-cured tobacco leaves from main growing areas in China

    CHEN Shengli(1,2); ZHANG Yulin(2); ZHANG Zhanjun(2); GUO Shuhua(2); CHEN Fei(1); XU Zicheng(1)
    (1) Tobacco Science College, Henan Agricultural University, Zhengzhou 450002, P.R. China; (2) Shanxian Branch of Sanmenxia City Tobacco Company, Shanxian 472000, Henan, P.R. China
    742 samples were analyzed to investigate the distribution of sugar/nicotine ratio in flue-cured tobacco leaves among different areas, varieties and grades. The results indicated that: sugar/nicotine ratio in the samples ranged widely from 2.47 to 31.77 ...
  3. 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 ...
  4. Tobacco Science & Technology, 2010, 6, p. 10-17., ISSN.1002-0861

    Study on improving usability of upper flue-cured tobacco leaves.

    CAI XIAN-JIE(1); LIU MAO-LIN(2); XIE DE-PING(4); SU XIN-HONG(3); LIUYANG(1); PENG YU-FU(2); MA YONG-JIAN(5); JIN LI-FENG(1); ZHANG SHU-WEI(2); GU JIAN-GUO(3); DAI JIANG-GUO(2); WEI CHUN-YANG(1); GUO WEI-MIN(1); WANG HAI-BUO(6); HUANG YUAN-JIONG(3); MA YU-PING(2); ZHU ZUN-QUAN(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, P.R. China; 3. Tobacco Company of Henan Province, Zhengzhou 450000, P.R. China; 4. Tobacco Company of Pingdingshan City, Pingdingshan 467002, Henan, P.R. China; 5. Tobacco Company of Xuchang City, Xuchang 461000, Henan, P.R. China; 6. Tobacco Company of Sanmenxia City, Sanmenxia 472000, Henan, P.R. China
    In order to find a solution to the problem of quality tobacco leaf shortage, a study on improving the industrial usability of upper leaves was conducted. The 6 upper leaves on upper stalk position were harvested in one priming as the leaves fully ripened, ...
  5. 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 ...
  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 ...