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297 results

  1. 48th TWC, Tob. Work. Conf., 2018, abstr. 86

    Evaluation of low alkaloid lines for chlorophyll levels, flowering dates, and relative ripening rates

    SUMMERS K.(1); MOORE J.M.(1); LaHUE S.S.(1); MORRIS J.W.(2); COWERT W.H.(2)
    (1) University of Georgia, Tifton GA USA; (2) Altria Client Services, Richmond VA USA
    Tobacco has been an economically important crop throughout history; providing a substantial cash flow in return for a large investment of time, labor, and materials. Recent regulations are requiring a reduced amount of nicotine in finished product. Plants ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 03

    Transcriptomic and metabolomic analysis of very low nicotine tobacco lines

    KUDITHIPUDI C.(1); SHEN Yanxin(1); GOVINDRAJULU R.(2); XU Dongmei(1); WAREK U.(1); STRICKLAND J.A.(1)
    (1) Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.; (2) Eurofins Lancaster Laboratories, c/o Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.
    Nicotine is the most abundant alkaloid in cultivated tobacco (Nicotiana tabacum), typically constituting more than 90 % of total alkaloids. Recently, the U.S. Food and Drug Administration issued an advance notice of proposed rulemaking to obtain ...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 12

    Identification of tobacco ANGUSTIFOLIA (AN) gene promoter activity

    WANG Jing; YANG Huijuan; SHI Hongzhi; LIU Guoshun
    College of Tobacco Science, Henan Agricultural University, Key Laboratory for Cultivation of Tobacco Industry, Zhengzhou, P.R. China
    Narrower and thicker upper leaves of tobacco (Nicotiana tabacum) are the primary cause of its lower usability in southwest China. The ANGUSTIFOLIA (AN) gene controls the polar elongation of leaf cells in leaf width direction and the trichome-branching ...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 15

    Chemical changes in ultra-low nicotine tobacco produced by grafting with Solanum melongena L.

    REN Mengjuan(1); SHI Hongzhi(1); YANG Huijuan(1); LI Jianhua(2); DUAN Weidong(3); LI Hongliang(2)
    (1) Henan Agricultural University/Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan Province, P.R. China; (3) China Tobacco Henan Industrial Co. Ltd., Zhengzhou, P.R. China
    Ultra-low nicotine tobacco production has been given broad attention due to the possible regulation of nicotine content in cigarette tobacco. A pot experiment was carried out in Xiangcheng County, Henan Province, in 2017, to study the feasibility of ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 18

    A non-destructive rapid method for blend grade verification using visible-near infrared hyperspectral imaging, advanced data processing and classification algorithms

    SAHU A.(1); DANTE H.(2); MORRIS J.W.(1); WAREK U.(1)
    (1) Altria Client Services LLC., Biotechnology, Richmond, VA, U.S.A.; (2) Industrial Turnaround Corporation, Chester, VA, U.S.A.
    The main objective of this study was to investigate the potential of hyperspectral imaging as a non-destructive, rapid, quality control method for grading cured tobacco bales. Cultivated tobacco plants were harvested and cured. Cured tobacco bales were ...
  6. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 25

    2017 stable reduced converter (SRC) dark tobacco crop

    LION K.; LUSSO M.; ADAMS A.; MORRIS W.; XU D.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development & Regulatory Affairs, Richmond, VA, U.S.A.
    On January 23, 2017, FDA published “Tobacco Product Standard for N-nitrosonornicotine Level in Finished Smokeless Tobacco Products” in which they proposed an NNN ceiling of 1.0 ppm (DWB) through the end of product shelf life. During the past several ...
  7. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 27

    The research and application of systematic technologies for reducing tobacco specific nitrosamines in tobacco and cigarette smoke

    BAI Ruoshi(1); ZHOU Jun(1); YANG Chunlei(2); SHI Hongzhi(3); LIU Weijuan(4); XU Tongguang(1); MA Yanjun(1); LIU Xingyu(1); YANG Jinpeng(2); WANG Jun(3); ZHANG Jie(1); YANG Zhendong(1); ZHENG Xiaoman(1); ZHANG Chen(1)
    (1) Technical Center of Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd, Beijing, P.R. China; (2) Hubei Tobacco Research Institute, Wuhan, P.R. China; (3) Henan Agriculture University, Zhengzhou, P.R. China; (4) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    Reduction of tobacco specific nitrosamines (TSNAs) in tobacco and cigarette smoke is a research hotspot. The systematic technologies for reducing TSNAs in both agricultural and industrial areas were developed and applied. The TSNA levels for the upper and ...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 28

    Effect of vacuum packaging on the formation of TSNAs in tobacco leaves during storage

    WANG Jun(1); SHI Hongzhi(1); Li Jingjing(1); ZHOU Jun(2); YANG Huijuan(1); BAI Ruoshi(2); ZHANG Chen(2)
    (1) Henan Agricultural University / China National Tobacco Cultivation & Physiology & Biochemistry Research Center / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Experiments were carried out to further clarify the effect of NOx on the formation of TSNAs during tobacco storage. Vacuum treatment was used to change the packing method of tobacco leaves, after which the changes of TSNAs after high temperature treatment ...