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670 results

  1. Tobacco Science & Technology, 2012, 1, p. 29-33., ISSN.1002-0861

    Effects of moisture content in cut tobacco on deliveries of 7 harmful compounds in mainstream cigarette smoke

    LIU Zhihua(1); YANG Song(2); WANG Kunmiao(1); HE Pei(1), LI Fan(2); CHEN Yongkuan(1); MIAO Mingming(1)
    (1) Key Lab of Tobacco Chemistry of Yunnan, Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China; (2) School of Pharmaceutical Science, Kunming Medical University, Kunming 650031, P.R. China
    To investigate the influence of moisture content in cut tobacco on the deliveries of 7 harmful compounds, including CO, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), benzo[a]pyrene (B[a]P), HCN, NH 3, phenol and crotonaldehyde, in mainstream ...
  2. 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. 24 ...
  3. Tobacco Science & Technology, 2012, 1, p. 43-46., ISSN.1002-0861

    Determination of K+, Ca2+, and Mg2+ in tobacco with dry ashing-ion chromatography

    WANG Ying(1); ZHANG Wei(1); LI Xue(1); LI Li(2); WEI Zhao(3); TANG Gangling(1); HU Qingyuan(1)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) Technology Center, China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; 3. Technology Center, Shenzhen Cigarette Factory, Shenzhen 518109, Guangdong, P.R. China
    A method for simultaneously determining the contents of potassium, calcium and magnesium in tobacco with dry ashing-ion chromatography was developed. The results showed that: the relative standard deviations of potassium, calcium and magnesium were lower ...
  4. Tobacco Science & Technology, 2012, 1, p. 47-51., ISSN.1002-0861

    Analysis of harmful aldehyde and ketone compounds in sidestream cigarette smoke

    JIANG Lamei(1); LIAN Wenliu(1); DING Shichao(1); WANG Sheng(2); QIAN Xiaochun(1); TAN Haifeng(1); LIU Feng(1)
    (1) Technology Center of China Tobacco Hunan Industrial Co., Ltd., Changsha 410014, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to determine the harmful aldehyde and ketone compounds in sidestream cigarette smoke, the influences of each part of trapping device and sample preparation on the determined values of eight aldehyde and ketone compounds were investigated. A ...
  5. Tobacco Science & Technology, 2012, 1, p. 5-9., ISSN.1002-0861

    Method for measuring hot collapse of cigarette

    SONG Xuyan; ZHANG Hua; LI Wenjing; LUO Chenghao; WEI Min
    Technology Center of China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    For accurately measuring the hot collapse of cigarette during smoking, a method for measuring the hot collapse of tobacco rod and filter plug of cigarette with smoking machine was established by optimizing the method recommended by CORESTA. The optimized ...
  6. Tobacco Science & Technology, 2012, 1, p. 52-56., ISSN.1002-0861

    Relationship between physical-chemical indexes and full flavor style degree of flue-cured tobacco leaves

    XUE Chaoqun(1); WANG Jianwei(1); XI Jiaqin(1); YANG Lijun(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Zhumadian Tobacco Company of Henan Province, Zhumadian 463000, Henan, P.R. China
    Sixty C3F samples of flue-cured tobacco leaves were collected from Zhumadian to analyze the relationship between physical-chemical indexes and full flavor style degree of leaves with correlation analysis and stepwise regression analysis. The results ...
  7. Tobacco Science & Technology, 2012, 1, p. 62-68., ISSN.1002-0861

    Quantitation of surface color of flue-cured tobacco leaves and its relationship with carotenoid

    GUO Weimin(1); WEI Chunyang(1); ZHANG Yanling(1); CAI Xianjie(1); ZHANG Shixiang(1); WANG Jianwei(1); WANG Weichao(2); LI Weiguan(2); CAO Xiaotao(2); YIN Qisheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Xiangcheng Branch of Xuchang Tobacco Company, Xiangcheng 461700, Henan, P.R. China
    In order to reveal the possible causes about the color difference among flue-cured tobacco leaves of different growing areas in China, the surface color of tobacco leaves, C3F, from 60 counties in 11 provinces were measured, analyzed and characterized ...
  8. Tobacco Science & Technology, 2012, 1, p. 69-73., ISSN.1002-0861

    Preliminary study on critical level of available Mo in flue-cured tobacco planting soil

    LI Zhanghai(1); ZHANG Xizhong(2); WU Li(3); GUO Xingzhi(2); GONG Wenjun(2); LIU Huizhong(2); TANG Xinggui(2); WEI Pinsheng(2); JIAO Jian(2)
    (1) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China; (2) Qiannan Tobacco Company of Guizhou Province, Duyun 558000, Guizhou, P.R. China; 3. Anhui Agriculture University, Hefei 230036, P.R. China
    For applying Mo fertilizer in a reasonable and effective way, the effects of molybdenum nutrient on various trait indexes of flue-cured tobacco and critical value of available Mo in soil were studied by field trial and pot experiment. The results showed ...
  9. Tobacco Science & Technology, 2012, 1, p. 74-77., ISSN.1002-0861

    Effects of girdling on physical characters and smoking quality of flue-cured tobacco leaves

    YANG Chunyuan
    Guizhou Tobacco Science Research Institute/China Tobacco Southwest Agricultural Experiment Station, Guiyang 550081, P.R. China
    In order to improve cultivation practices and promote leaf quality, the stalk of tobacco plant was girdled after topping. The results showed that the girdling affected physical characters and smoking quality of flue-cured tobacco leaves greatly. The ...
  10. Tobacco Science & Technology, 2012, 1, p. 78-80., ISSN.1002-0861

    Analysis and evaluation of starch content in Sichuan tobacco leaves

    TAO Xiaoqiu; HUANG Mei; YANG Xue; SHAO Jimin
    Sichuan Tobacco Quality Supervision and Testing Station, Chengdu 610031, P.R. China
    The starch contents in tobacco leaves from different stalk positions of various clutivars grown in different areas in Sichuan were determined. The results indicated that the average starch content in Sichuan flue-cured tobacco leaves was 4.3%, however, ...