Search Results

91 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 53

    Non-targeted screening of extractables and leachables in e-cigarettes using a Single Platform UPLC-APGC-QTOF-MS

    MERUVA N.(1); CABOVSKA B.(1); SHAH D.(1); ORGANTINI K.(1); McCALL E.(2); CLELAND G.(1); ROZENICH R.(3); SCHREINER H.(3)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.; (3) Waters GmbH, Vienna, Austria
    Characterization of extractables and leachables is essential for ensuring the safety, quality and efficacy of inhalation tobacco products such as e-cigarettes. The initial step for characterizing extractables from e-cigarettes involves targeted screening, ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 54

    Ion mobility mass spectrometry: a new tool for characterization of complex tobacco products

    MULLIN L.(1); MERUVA N.(1); McCALL E.(2); CLELAND G.(1); ROZENICH R.(3); SCHREINER H.(3)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.; (3) Waters GmbH, Vienna, Austria
    Comprehensive chemical profiling and identification of compounds in tobacco and tobacco smoke matrices is a challenging task due to the sample complexity and the wide array of analyses required. LC-MS and GC-MS based methods are typically applied as they ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 55

    Rapid authentication of tobacco flavors using DART-MS

    ORGANTINI K.(1); MERUVA N.(1); McCALL E.(2); CLELAND G.(1); ROZENICH R.(3); SCHREINER H.(3)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.; (3) Waters GmbH, Vienna, Austria
    Characterization of flavors in tobacco products is critical for consumer’s perception of aroma, taste, quality and branding. Maintaining consistent flavor in tobacco products requires quality control testing of raw materials and finished products to ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 56

    Benefits of mass detection for routine LC analysis of tobacco products

    MERUVA N.(1); YANG J.(1); McCALL E.(2); ROZENICH R.(3); SCHREINER H.(3)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.; (3) Waters GmbH, Vienna, Austria
    There are several tobacco industry methods that rely on HPLC separation and optical detection (UV, Fluorescence and ELSD) for identification of target compounds such as carbonyls, nicotine, related alkaloids, sugars and artificial sweeteners. In this ...
  5. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1 and ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 27

    Analysis of process intensity on tobacco moisture retention based on uniform design

    LI Wenjuan(1); ZHOU Fangfang(1); LONG Minghai(1); ZI Wenhua(1); JIANG Meihong(1); LIU Ze(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe Group, Kunming, Kunming, P.R. China
    Tobacco moisture retention provides essential information about moisture adsorption behaviour and physical characteristics of cigarette formulating, which also influence cigarette aroma and smoking quality. Effect of the intensity of the casing process on ...
  7. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 86

    Study on influence of processing strength on flue-cured tobacco leaf quality in the threshing and redrying process

    LONG Minghai(1); HUA Yikun(2); WANG Xianguo(2); LIN Nan(1); ZI Wenhua(1)
    (1) Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe (Group) Co., Ltd., Kunming, Yunnan, P.R. China
    To improve the technological level of threshing and redrying and quality of products, the influences of processing strengths (steam moistening, steam mixing water moistening, slow redrying with low-temperature, high-temperature redrying) on the qualities ...
  8. 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 flue-cured ...
  9. 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 ...
  10. 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 ...