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10 results

  1. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 16

    Identification of nicotine converter plants in Burley tobacco

    JUNG Suk-Hun; CHUNG Yun-Hwa; KEUM Wan-Soo; KANG Yue-Gyu; JO Chun-Joon; CHOI Sang-Ju
    KT&G Central Research Institute, Agro-tech. Research Group, Suwon, South Korea.
    The nicotine converter genotypes of burley tobacco (Nicotiana tabacum L.), which convert nicotine to nornicotine, contain a high amount of nornicotine that degrades tobacco quality and smoking taste. Elimination of nicotine converter plants before seed ...
  2. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, APOST 30

    Effect of soaking duration and incubation temperature in drum priming on germination of tobacco seed

    SHIN Seung-Ku; RYU Myung-Hyun; LEE Chul-Hwan
    KT&G Central Research Institute, Agro-tech. Research Group, Chung-Buk, South Korea.
    Tobacco seeds (Nicotiana tabacum L. cultivars 'KF109') were incubated at 18 °C and 23 °C for 32, 36, 40, 44 and 48 hours in a seed container after soaking in water for 36, 42 and 48 hours at 18 °C and 23 °C respectively, and then dehydrated at ...
  3. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 16

    Comparison of the characteristics of low sidestream cigarette papers

    KIM Jong-Yeol; KIM Soo-Ho; KIM Chung-Ryul; LEE Dong-Wook
    KT&G Research Institute, Daejeon, South Korea
    This study was conducted to evaluate the effect of additives in low sidestream cigarette papers, such as Mg(OH) 2, TiO 2 and KH 2 PO 4, on the delivery of mainstream and sidestream smoke. From the analysis of tar and nicotine in sidestream and mainstream ...
  4. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 26

    Effect of cigarette filters on the in vitro toxicity of mainstream smoke

    SHIN Han-Jae; SOHN Hyung-Ok; HAN Jung-Ho; HUR Jae-Yeon; LEE Dong-Wook; HYUN Hak-Chul
    KT&G Research Institute, Daejeon, South Korea
    Charcoal is used widely in cigarette filters to primarily reduce the amount of certain vapor phase constituents of tobacco smoke. The objective of this study was to compare in vitro toxicity of cigarette mainstream smoke from the charcoal filtered ...
  5. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 28

    Primary studies on the correlation between adverse biological effects and important harmful chemical components of smoke in cigarette safety evaluation

    YAO Jianhua; CHEN Zhangyu; WU Pingyan; WANG Baoxing; FANG Li
    Yunnan Academy of Tobacco Science, Kunming, Yunnan, China
    Objects: This study was in order to research the correlation between adverse biological effects and Important chemical components of cigarette smoke, offer benefits to the evaluation on lower hazard cigarette and definition of the target decreasing hazard ...
  6. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 52

    Comparison of menthol migration from filler to filter and mainstream smoke with leaf tobaccos

    BAEK Shin; LEE Jae-Gon; CHANG Hee-Jin; KWAG Jae-Jin
    KT&G Research Institute, Daejeon, South Korea
    The migration of menthol from the filler to filter and mainstream smoke was compared with leaf tobacco types. The Leaf tobaccos used were local flue-cured lower leaves (KFL), flue-cured upper leaves (KFU), burley (B), and expanded tobacco (EX). The filter ...
  7. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPTPOST 15

    Study on the direct introduction of solvent condensed mainstream smoke for trace elements analysis by inductively coupled plasma mass spectrometry with an octopole reaction cell

    CHO Sung-Eel; OH In-Hyeog; HWANG Keon-Joong; RHEE Moon-Soo
    KT&G Research Institute, Daejeon, South Korea
    In conventional element analysis, samples of various types are usually prepared or digested and then introduced as solutions to a plasma by a nebulizer. However sample digestion is a tedious, labor-intensive and time-consuming process, and there is a risk ...
  8. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPTPOST 16

    Synthesis and characteristic of the ion exchanger for selective removal of aldehyde compounds in mainstream smoke

    LEE John-Tae; KIM Hyo-Keun; HWANG Keon-Joong; RHEE Moon-Soo
    KT&G Research Institute, Daejeon, South Korea
    Many analytical chemists have been interested in the aliphatic aldehyde compounds in cigarette mainstream smoke for a long time. To use the filter material for selective reduction of aldehyde compounds in cigarette mainstream smoke, ion exchangers were ...
  9. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPTPOST 17

    The transfer characteristics of scopoletin on to cigarette paper

    SHIN Jun-Won; LEE Jeong-Min; LEE Un-Chul; LEE Moon-Young; KIM Yong-Ha; RAH Hyo-Hwan; RHEE Moon-Soo
    KT&G Research Institute, Daejeon, South Korea
    Some compounds in tobacco leaf are transferred to cigarette paper by moisture. The purpose of this study was the identification and quantitative analysis of the high polarity transferred compounds on to cigarette paper. The transferred materials were ...