Search Results

6 results

  1. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 09

    Influences of tobacco powder particle size on the reconstituted tobacco slurry process for electrically heated tobacco products

    TIAN Yongfeng; DONG Gaofeng; MIAO Mingming; TANG Jianguo; ZHU Donglai; SHANG Shanzhai; ZHANG Xia; HE Pei; TANG Shiyun; YANG Chen; LIU Zhihua
    Technical Center, China Tobacco Yunnan Industrial Co., Ltd., of CNTC, Yunnan Key Laboratory of Tobacco Chemistry, Kunming, P.R. China
    In order to investigate the influence of tobacco powder of different particle sizes on the quality of tobacco materials in electrically heated tobacco products (eHTPs), slurry process reconstituted tobacco was prepared by using tobacco powder of...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 67

    Study on combustibility and particle size distribution in smoke aerosols of cigarettes with different circumferences

    ZHU Ruizhi; SI Xiaoxi; LI Zhenjie; HE Pei; WANG Kai; YOU Junheng; JIANG Wei; SHEN Qinpeng; SU Zhongbi; LIU Zhihua
    R&D Center of China Tobacco Yunnan Industrial Co. Ltd of CNTC, Yunnan, P.R. China
    In order to investigate the effects of cigarette circumference on its combustibility and particle size distribution in smoke aerosol, the solid phase temperature of combustion cone and the gas phase temperature in filter tip of the same brand...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 61

    Application of Gibbs free energy change to evaluation of moisture retention of tobacco

    JIANG Wei; LIU Chunbo; SHEN Qinpeng; ZHANG Fengmei; WANG Jin; TANG Shiyun; ZHU Ruizhi; HE Pei; YANG Guangyu; LIU Zhihua
    Key Laboratory of Tobacco Chemistry of Yunnan Province, Research & Development Center, Yunnan Industrial Co., Ltd of CNTC, Kunming, P.R. China
    In order to evaluate the water retention of tobacco quickly and accurately, a model was developed based on water activity. Gibbs free energy change (GFEC) of tobacco was calculated according to thermodynamic correlation formula, and then the moisture...
  4. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 28

    Determination of benzo[a]pyrene in smokers’ urine by online gel permeation chromatography–solid phase extraction–gas chromatography/mass spectrometry

    SI Xiaoxi; ZHU Ruizhi; LIU Zhihua; ZHANG Fengmei; LIU Chunbo; SHEN Qinpeng; HE Pei; MIAO Mingming; YANG Guangyu
    Key Laboratory of Tobacco Chemistry of Yunnan, R&D Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    A new method for determining the benzo[a]pyrene (B[a]P) in samples of smokers’ urine was developed with an online gel permeation chromatography-solid phase extraction-gas chromatography/mass spectrometry (GPC-SPE-GC/MS) hyphenated system. Urine...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 02

    Influence of microwave treatment on the combustibility of tobacco and its kinetic analysis

    LIU Chunbo; SHEN Qinpeng; HE Pei; ZHANG Tao; ZHU Ruizhi; LIU Zhihua; YANG Guangyu; ZHANG Hongyu; MIAO Mingming
    Key Laboratory of Tobacco Chemistry of Yunnan Province, Research & Development Center, China Tobacco Yunnan Industrial Co., Ltd. of CNTC, Kunming 650231, P.R. China
    Microwave treatment can promote the expansion of tissue structure of tobacco leaves and improve their combustibility. To study the structure and combustibility of tobacco leaves treated with microwave for different durations, scanning electron...
  6. 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, NH3, phenol and crotonaldehyde, in mainstream...