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11 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 14

    Study on the detection and automatic diagnosis of tobacco diseases based on machine vision and machine learning

    ZHANG Jianqiang; LIU Weijuan; HOU Ying; LI Changyu
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan, P.R. China
    Tobacco disease diagnosis in China at present mostly remains in the artificial stage, with such problems as poor objectivity and low efficiency. A novel tobacco disease detection and automatic diagnosis system based on machine vision and machine...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 09

    Puff-by-puff analysis of nicotine, menthol and other volatile components in menthol flavoured heat-not-burn tobacco product

    LI Jingjing; LIU Weijuan; GUO Tingting; HOU Ying; LIU Shengyi
    Ruvian Technology Ltd., Kunming, P.R. China; Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China; Yunnan Comtestor Co., Ltd, Kunming, P.R. China
    Heat-not-burn (HnB) tobacco products have rapidly become an accepted alternative to cigarettes worldwide in recent years. Since the main additives in tobacco materials of HnB products, such as nicotine, menthol and other volatile components, are...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 10

    Quantitative determination of selected carbonyls in tobacco, tobacco materials, e-liquids and emissions of conventional cigarettes and novel tobacco products (NTPs)

    LIU Shengyi; LIU Weijuan; HOU Ying; LI Jingjing
    Ruvian Technology Ltd., Kunming, P.R. China; Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China; Yunnan Comtestor Co., Ltd, Kunming, P.R. China
    Background/aims: Carbonyls play an important role in the toxicological assessment of tobacco and nicotine containing products. Four commercially available tobacco and nicotine containing products (Conventional Cigarette/CC, E cigarette/EC and two...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 50

    The development and application of near-infrared spectroscopy analysis of the network system of the tobacco leaf

    QIU Changgui(1,2); HOU Ying(1,2); YANG Shihua(1,2); YUAN Tianjun(1,2); WANG Jiajun(3); YANG Jiahong(4); SHAO Xueguang(5)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Yunnan Comtestor Co., Ltd., Kunming, P.R. China; (3) Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (4) College of Polytechnic, Hunan Normal University, Changsha, P.R. China; (5) China Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, P.R. China
    Based on the basic mode of "Internet + near-infrared fast detection technology + tobacco", the near-infrared spectroscopy analysis of the network system of tobacco leaf raw materials was constructed with the "trinity" of near infrared fast analytical...
  5. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 30

    Application of near infrared spectroscopy to detect mold contamination in tobacco

    YANG Lei(13); HOU Ying(1); LI Jingjing(1); LI Wei(1); WANG Jiajun(2); YANG Qianxu(2); WANG Baoxing(2); PAN Xuejun(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, Yunnan, P.R. China; (2) China Tobacco Yunnan Industrial Co., Ltd., Kunming, Yunnan, P.R. China; (3) Kunming University of Science and Technology, Kunming, Yunnan, P.R. China
    Mold infection is a significant postharvest issue for processors of tobacco, which can cause value reduction of product and direct product loss. However, mold is mostly undetectable at early stages by traditional sorting techniques. In this paper,...
  6. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 89

    Aroma compounds in flue-cured tobacco from Baoshan: distribution and relationships to climate and geographical factors

    YANG Panpan(1); WANG Chao(2); WANG Yu(1); HOU Ying(1); YANG Yingming(2); YANG Shihua(1); LI Wei(1); YUAN Tianjun(1); CHENG Changxin(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan Province, P.R. China; (2) Hongyun-Honghe Tobacco (Group) LLC, Kunming, P.R. China
    Baoshan is a city in the southwest of China. Tempered by the low latitude and moderate elevation, Baoshan has a mild subtropical highland climate with short, mild, dry winters, and warm, rainy summers. Baoshan is a tobacco growth region for...
  7. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 82

    Permeable mechanism of complex enzymes for improving casing absorption in tobacco leaves

    QIU Changgui(1); HOU Ying(1); LIU Jihui(2); WANG Hui(2); HUA Yikun(2); WANG Xianguo(2); YANG Shengjiang(3); HUANG Kaixin(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, China; (2) Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China; (3) Kunming Weinuo Jinshen Biological Engineering Co., Ltd., Kunming, China
    In order to investigate the distribution characteristics and permeable mechanism of casing materials absorbed on the surface of tobacco leaves, the epicuticular waxes on the surface of the tobacco leaf were processed by using methylene chloride and...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 11

    Research on dynamic changes of cut tobacco physical and chemical properties during the over-drying process

    QIU Changgui(1); FENG Wenchao(1,3); LIU Ze(2); ZHU Yong(2); HE Banghua(2); WANG Hui(2); LI Jun(1); HOU Ying(1)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, P.R. China
    In order to investigate the dynamic changes of cut tobacco physical and chemical properties during the over-drying process, the moisture content, the filling values, the microstructure, the routine chemical components, the polyphenols content and the...
  9. Tobacco Science & Technology, 2011, 1, p. 48-51., ISSN.1002-0861

    Online monitoring of major chemical components in reconstituted tobacco by AOTF-NIR

    WANG BAO-XING(1);ZOU ZHEN-MIN(2); LIU WEI-JUAN(1); LI XIAO-YA(1); HOU YING(1); DONG HAI-PING(2); WEI QING(1)
    1. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China; 2. Jinan Brimrose Co., Ltd., Jinan 250100, P.R. China
    For online quality monitor of a paper-making process, the models for predicting nicotine, total sugar, reducing sugar, chlorine ion and potassium ion in reconstituted tobacco were established by the application of acoustooptic tunable near-infrared...
  10. Tobacco Science & Technology, 2010, 7, p. 43-47., ISSN.1002-0861

    Factor analysis and stepwise discriminant analysis of chemical data of blended tobacco

    ZENG XIAO-YING(1); LI QING-HUA(1,2); WANG YU(3); WANG BAO-XING(3); HOU YING(3); XU GUO-WANG(2)
    1. Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; 2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, P.R. China3. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to find out the main chemical data influencing the smoking quality of blended tobacco, factor analysis and stepwise discriminant analysis were carried out on the basis of the test data of 16 chemical components in 3 modular tobacco blends,...