Search Results

669 results

  1. Tobacco Science & Technology, 2012, 10, p. 13-15, ISSN.1002-0861

    Stabilizing technical parameters in cut tobacco drying with moisture content parallel shift method

    ZHAO Hanwen(1); ZHANG Jun(2); LI Na(2)
    (1) Technology Center, China Tobacco Shaanxi Industrial Co., Ltd., Baoji 721013, Shaanxi, P.R. China; (2) Baoji Cigarette Factory, China Tobacco Shaanxi Industrial Co., Ltd., Baoji 721013, Shaanxi, P.R. China
    In order to stabilize the technical parameters in cut tobacco drying, the moisture content in cut tobacco before and after drying was simultaneously adjusted with moisture content parallel shift method. The variation of running parameters of cut...
  2. Tobacco Science & Technology, 2012, 10, p. 31-35, ISSN.1002-0861

    Comparison of main secondary metabolite contents in flue-cured tobacco leaves from different areas in Guizhou

    GENG Zhaoliang(1); FENG Yonggang(1); XIANG Zhangmin(1); ZHANG Jie(1); CAI Kai(1); ZHU Xianling(*2)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China
    In order to compare the secondary metabolite contents in flue-cured leaves from different areas in Guizhou Province, the leaf samples of C3F and B2F grades of K326, Yunyan 85, Yunyan 87, Guiyan 1 and Guiyan 201 varieties were collected from Daozhen,...
  3. Tobacco Science & Technology, 2012, 10, p. 36-40, ISSN.1002-0861

    Application of multiple factor analysis (MFA) in cigarettes style character analyzing

    LU Longjian(1); CHEN Lei(2); YU Ling(3); WU Da(*3); WANG Mingfeng(4); LIU Baizhan(3); ZHU Zhongliang(*1)
    (1) Department of Chemistry, Tongji University, Shanghai 200092, P.R. China; (2) Shanghai Peony Flavor & Fragrance Co., Ltd., Shanghai 201203, P.R. China; (3) Shanghai Tobacco Group Co., Ltd., Shanghai 200082, P.R. China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China
    To analyze the character of cigarettes style, the chemical components in smoke of six cigarette brands from Shanghai, Yunnan and Henan were grouped into 4 categories (spicy, sweet, fruit and fresh notes) according to their flavor characters. The...
  4. Tobacco Science & Technology, 2012, 10, p. 41-45, ISSN.1002-0861

    Improvement of ion chromatographic method for determination of ammonia in mainstream cigarette smoke

    SHI Wenzhuang; MA Qing; ZENG Jing
    China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to determine the ammonia in mainstream cigarette smoke accurately, ion chromatography (IC) method was improved, and the improved method was applied to determine the ammonia in mainstream smoke of 59 cigarettes measured under ISO and Health...
  5. Tobacco Science & Technology, 2012, 10, p. 46-50, 84, ISSN.1002-0861

    Effects of material parameters on deliveries of seven harmful components in cigarette smoke

    ZHAO Le(1); PENG Bin(1); YU Chuanfang(1); HE Shujie(2); LIU Kejian(1); ZHAO Xiaodong(1); WANG Hongbo(1); GUO Jizhao(1); YAN Quanping(1); YU Jingjing(1); LI Ping(1); XIANG Nengjun(3); MENG Zhaoyu(3); CUI Tao(2); YANG Jun(2); NIE Cong(*1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (3) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    To investigate the effects of material parameters on the deliveries of seven harmful components in cigarette smoke, the deliveries of CO, HCN, NNK, NH3, BaP, phenol and crotonaldehyde, in mainstream smoke of forty cigarette samples made with...
  6. Tobacco Science & Technology, 2012, 10, p. 5-8, ISSN.1002-0861

    Effects of redrying means on processing quality of tobacco strips

    LI Shanlian(1); CHEN Liangyuan(*1); LI Huajie(2); LI Xinfeng(3); LIU Jiangsheng(2); CHANG Mingbin(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) China Tobacco Fujian Industrial Co., Ltd., Xiamen 361022, Fujian, P.R. China; (3) Longyan Golden Leaf Redrying Co., Ltd., Longyan 364102, Fujian, P.R. China
    To overcome the shortcomings of current redrying technologies, such as larger standard deviation of moisture content, higher shrinkage rate of large strips, loss of tobacco aroma, etc., the strips redried by way of traditional apron conveyor...
  7. Tobacco Science & Technology, 2012, 10, p. 51-55, ISSN.1002-0861

    Differences between and cluster analysis of heavy metal contents in tobacco leaves from ten tobacco producing provinces in China

    ZHANG Xiaojing(1); QIN Cunyong(2); ZHU Fengpeng(3); CHEN Weihua(1); HU Qingyuan(*3)
    (1) Technology Center, China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) Hebei Baisha Tobacco Co., Ltd., Shijiazhuang 050035, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    The comparison and cluster analysis of Cr, Ni, Cu, As, Cd, Tl and Pb contents in 100 samples of flue-cured tobacco leaves from 100 areas in 10 provinces of China were conducted for investigating the content and distribution of heavy metals in...
  8. Tobacco Science & Technology, 2012, 10, p. 56-60, 84, ISSN.1002-0861

    Effects of roasting conditions on major aroma components in Burley tobacco

    AN Yi(1); XU Lixia(2); YANG Jing(3); LI Bin(4); MAO Duobin(*3)
    (1) Agricultural College, South China Agricultural University, Guangzhou 510642, P.R. China; (2) Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China; (3) School of Tobacco Science and Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; (4) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The contents of proline-glucose Amadori compounds and thirteen kinds of alkaline aroma components in burley tobacco were determined after roasting under different conditions, including roasting temperature, air humidity and ending moisture content in...
  9. Tobacco Science & Technology, 2012, 10, p. 61-64, ISSN.1002-0861

    Changes of degradation products of carotenoids and cembranoids in B4F flue-cured tobacco during redrying

    YIN Gengyun(1); XU Shitao(1); RUAN Xin(2); WEI Jie(1); LIU Jinyun(1); HOU Ducheng(*2)
    (1) Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China; (2) Tianfu Tobacco Redrying Co., Ltd., Hongyun Honghe Group, Qujing 655001, Yunnan, P.R. China
    The changes of degradation products of carotenoids and cembranoids in B4F flue-cured tobacco during redrying were studied with orthogonal experimental design. The results showed that: 1) The content of dihydroactinidiolide was remarkably affected by...
  10. Tobacco Science & Technology, 2012, 10, p. 65-67, ISSN.1002-0861

    Determination of available potassium in tobacco planting soil by Flame Atomic Absorption Spectrometry

    YANG Xiaoqiu(1); WANG Jian(2); WANG Lin(2); YU Yongjie(1); WANG Xin(1)
    (1) Faculty of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, P.R. China; (2) China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    A convenient and fast method for determining available potassium in tobacco planting soil with flame atomic absorption spectrometry was developed, in which available potassium was extracted from soil samples with 1 mol/L ammonium acetate. The results...