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47 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 35

    Chemometric and analytical tools directed to improve the selection of raw materials for long-filler cigar manufacture

    BORGES MIRANDA A.(1); ÁLVAREZ PRIETO M.(2,4); PÉREZ MARTÍNEZ C.(3); JIMÉNEZ CHACÓN J.(4); MOREJÓN FUENTES O.(1); GONZÁLEZ DÍAZ M.(1); HERNANDEZ REYES M.E.(1); MARQUEZ LEYVA I.(1); HERNÁNDEZ SANTANA Y.(1)
    (1) Instituto de Investigaciones del Tabaco, San Antonio de los Baños, Artemisa, Cuba; (2) Facultad de Química, Universidad de La Habana, Departamento de Química Analítica, La Habana, Cuba; (3) Facultad de Química, Universidad de La Habana, Departamento de Química-Física, La Habana, Cuba; (4) Laboratorio Universitario de la Composición y Estructura de la Sustancia (LUCES), Universidad de La Habana, La Habana, Cuba
    Defining chemical specifications of raw materials, and having adequate analytical methodologies with known tolerances at a reasonable cost is a need for tobacco companies. They allow a better management of batches of raw materials produced. Three ...
  2. 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 ...
  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. CORESTA Congress, Edinburgh, 2010, APPOST 14

    Aloe vera aqueous extracts: Potential explanation at molecular level of its allelopathic effect of over Nicotiana tabacum plants.

    GEADA LOPEZ D.; IZQUIERDO A.; JO M.; GEADA LOPEZ G.; HERNANDEZ B.; MAESTRE BATLLE D.
    Tobacco Research Institute, Havana, Cuba.
    Positive allelopathic effects of Aloe vera extracts for medical, pharmaceutical and cosmetic applications on humans have been well documented over many years. However its vegetal applications are not so well described. More than 10 years ago, Pinar del ...
  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 Meeting, Agronomy/Phytopathology, Krakow, 2007, APPOST 09

    Molecular characterization of Cuban isolates from Peronospora hyoscyami sp. tabacina

    SILVA LARRAÑAGA Y.K.; MUIÑO B.; CHACÓN O.; CRESPO J.A.; BORRÁS O.
    Tobacco Research Institute, Havana, Cuba.
    Peronospora hyoscyami de Bary f. sp. tabacina, the oomycete that causes blue mould of tobacco, is an extremely destructive pathogen with aerially transported sporangiospores. Since 1979, P. hyoscyami f.sp. tabacina has caused billions of dollars of damage ...
  7. 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 ...
  8. 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 ...