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82 results

  1. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 058

    Real-time authentication of food, beverages and botanicals using DART-QDa LiveID analysis

    BRITTON E.(1); ORGANTINI K.(1); MERUVA N.(1); STEAD S.(2)
    (1) Waters Corporation, Milford, MA, USA; (2) Waters Corporation, Wilmslow, UK
    This study investigates the potential for the implementation of DART-QDa with LiveID as solution for the rapid authentication of high value food, beverage and botanical ingredients and products with minimal sample preparation. Food, beverages and ...
  2. 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, ...
  3. 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 ...
  4. 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 ...
  5. 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 ...
  6. 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 ...
  7. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 12

    Non-targeted high resolution screening of tobacco for potential contaminants (pesticides and chemical toxins) using UPLC/QTOF-MS

    MERUVA N.(1); McCALL E.(2); CLELAND G.(1); BURGESS J.(1)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.
    In this study a UPLC coupled to high resolution mass spectrometry (QTOF-MS) was used to increase the scope of analysis for multi-residue pesticides and other chemical contaminants in tobacco. Analytical methods for high throughput contaminant screening ...
  8. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 05

    Simultaneous determination of nicotine and related impurities in e-liquids using UPLC-UV-MS

    MERUVA N.(1); BENVENUTI M.(1); McCALL E.(2); CLELAND G.(1); BURGESS J.(1)
    (1) Waters Corporation, Milford, MA, U.S.A.; (2) Waters Corporation, Wilmslow, U.K.
    A dilute and shoot method for simultaneous determination of nicotine and related impurities in e-liquid formulations by UPLC-UV-MS has been developed for routine QC testing of e-cigarette formulations. Due to the differences in the concentration of ...
  9. 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 ...
  10. 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 ...