TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 00 (Symposium) Changes in the tobacco industry: 75 years of TSRC WILLIAMSON F. Global Laboratory Services, Wilson, NC, USA Abstract not available....
TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 058 USP elemental impurities: limit test for metals in nicotine by ICP-MS LOTFI H.; ARROYO M. Global Laboratory Services, Wilson, NC, USA Nicotine included in e-cigarette formulations usually originates as a 90%+ solution, which is purified further prior to use. While the FDA oversees the tobacco industry, there is currently little regulation regarding the quality of raw materials or...
TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 109 An improved method for the determination of sodium propionate in tobacco products WILLIAMSON F.; BAILEY J. Global Laboratory Services, Wilson, NC, USA Sodium propionate is a preservative with fungicidal properties that is often added to tobacco, primarily smokeless tobacco products, to prolong shelf life. Several regulatory agencies, including Health Canada and ANVISA, require the testing of sodium...
CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 32 CPA residue levels in consecutive C48 cases of Oriental tobacco WESTBERG H.; SPENCER A. Global Laboratory Services, Wilson, NC, U.S.A. Crop protection agents (CPA) can be applied to tobacco at various stages of the production cycle and if CPA residues are present in the product, they can be topic of concern. After tobacco is processed it is normally packed into cases or bales for...
TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 48 Method development and validation of selected metals in e-liquid samples BROWN J. Global Laboratory Services, Inc., Wilson, NC USA Over the past several years, the use of electronic cigarettes and devices has increased. Analysis of Harmful and Potentially Harmful Constituents is at a forefront in both the conventional and electronic cigarette industries. The analysis of various...
TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 08 Comparison of auto analyzer methods: discrete vs continuous flow. THURSTON D. Global Laboratory Services, Inc., Wilson, NC, USA Chloride, Sugar, Alkaloids, and Nitrate results were compared using a discrete analyzer and a continuous flow auto analyzer. The new generation discrete analyzers are more automated than the continuous flow auto analyzers. In our initial assessment,...
CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 32 Safer nicotine analysis: proposed changes to CRM 35, total alkaloids in tobacco leaf COVERLY S.(1); SHI Tingchuan(1); ZHANG Wei(2); WANG Ying(2); TANG Gangling(2) (1) SEAL Analytical GmbH, Norderstedt, Germany; (2) China National Tobacco Quality Supervision & Test Center, Zhengzhou, P.R. China The most commonly used automated method for leaf nicotine analysis is CORESTA Recommended Method No. 35. This is based on the principle of continuous-flow analysis, using dialysis to remove interference from coloured leaf components followed by...
CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 03 Lowering TSNAs through nitrite reductase activity DAVENPORT S.E.; FORSYTH K.; TULLY L.; LISTER R.; LE LAY P.; MAUNDERS M.; SANCHEZ-TAMBURRINO J.P. Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.) Tobacco specific nitrosamines (TSNAs) are compounds in tobacco that have been shown to be carcinogenic. TSNAs are formed by the nitrosation of tobacco alkaloids with the main nitrosating agent believed to be nitrite. High levels of nitrate...
CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 27 Tobacco Biotechnology: a tool for business solutions SANCHEZ-TAMBURRINO J.P.; EDWARDS K.; JONES L.; DAVENPORT S.E. Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.) Over the past 20 years, genetic modification and molecular breeding has been successfully used in many different crops to provide agronomic advantages (i.e., herbicide resistance, insect tolerance). However there are many other areas where it can be...
CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, APOST 04 Modification of Virginia tobacco to provide burley characteristics DAVENPORT S.E.; LEACH G.; JONES L.; SANCHEZ-TAMBURRINO J.P. Advanced Technologies Ltd., Cambridge, UK It is well known that burley tobacco can contain more TSNAs than Virginia types. One possible strategy to reduce TSNAs would be to generate Virginia tobacco that possesses burley characters removing the need to add burley to a blend. One of the...